ON Semiconductor 10-K 2025-12-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

For the fiscal year ended December 31, 2025

Or

For the transition period from to

(Commission File Number) 001-39317

ON SEMICONDUCTOR CORPORATION

(Exact name of registrant as specified in its charter)

5701 N. Pima Road

Scottsdale, AZ 85250

(602) 244-6600

(Address, zip code and telephone number, including area code, of principal executive offices)

Securities Registered Pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ☐ No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

If emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. Yes ☒ No ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant was $23,198,209,519 as of July 4, 2025, based on the closing sales price of such stock on the Nasdaq Global Select Market. Shares held by executive officers, directors and persons owning directly or indirectly more than 10% of the outstanding common stock (as applicable) have been excluded from the preceding number because such persons may be deemed to be affiliates of the registrant.

The number of shares of the registrant's common stock outstanding at February 4, 2026 was 394,020,530.

Documents Incorporated by Reference

Portions of the registrant's Definitive Proxy Statement relating to its 2026 Annual Meeting of Stockholders, which is expected to be filed pursuant to Regulation 14A within 120 days after the registrant's fiscal year ended December 31, 2025, are incorporated by reference into Part III of this Form 10-K where indicated.

ON SEMICONDUCTOR CORPORATION

FORM 10-K

TABLE OF CONTENTS

(See the glossary immediately following this table of contents for definitions of certain abbreviated terms)

ON SEMICONDUCTOR CORPORATION

FORM 10-K

GLOSSARY OF SELECTED ABBREVIATED TERMS*

• Terms used, but not defined, within the body of the Form 10-K are defined in this Glossary.

PART I

Overview

ON Semiconductor Corporation, together with its wholly and majority-owned subsidiaries, which operate under the onsemiTM brand ("onsemi," "we," "us," "our," or the "Company"), was incorporated under the laws of the State of Delaware in 1992.

We offer intelligent power and intelligent sensing solutions that drive electrification, energy efficiency, safety, and automation in automotive, industrial, and other end-markets, including AI data center. Our intelligent power technologies enable the electrification of drivetrain in the automotive industry to allow for lighter and longer-range electric vehicles and empower efficient fast-charging systems. Our intelligent sensing technologies enable advanced safety applications in automotive through industry leading performance and reliability.

We believe the evolution of the automotive industry, with advancements in autonomous driving, ADAS, vehicle electrification, and the increase in electronics content for vehicle platforms is reshaping the boundaries of transportation. Through sensing integration, we believe our intelligent power solutions achieve increased efficiencies compared to our peers. This integration allows lower temperature operation and reduced cooling requirements while saving costs and minimizing weight. In addition, our power solutions deliver power with less die per module, achieving higher range for a given battery capacity.

In the industrial market, our intelligent power technologies propel sustainable energy for the highest efficiency solar strings and industrial power. In the medical field, our intelligent power technologies extend the life of personal diagnostic devices, such as continuous glucose monitors. Our intelligent sensing technologies support the next generation industry through automation, allowing for smarter factories and buildings. In addition, our intelligent sensing technologies are enabling robotics and humanoids.

In our other market which includes AI data center products, our intelligent power technologies enable energy efficiency in a market in which energy needs are growing at an exponential rate, and AI data center operators are focused on reducing energy consumption. We believe we have one of the most comprehensive portfolios of products and technologies for this market to address the complete power tree, and we are well positioned to benefit as new generation of AI data center processors and racks enter the market.

As of December 31, 2025, we were organized into three operating and reportable segments: the Power Solutions Group ("PSG"), the Analog and Mixed-Signal Group ("AMG") and the Intelligent Sensing Group ("ISG").

Business Strategy Developments

We are focused on increasing profitable revenue through differentiated technologies to address the high-growth megatrends in automotive, industrial and other markets which include AI data centers. We continue to optimize and right-size our manufacturing footprint to align our capacity with our long-term outlook, while focusing on generating efficiencies that result in meaningful gross margin expansion and operating cash flows. We intend to achieve efficiencies in our operating and capital expenditures and invest in research and development initiatives to accelerate growth in high-margin products.

2025 Significant Activities

Acquisitions

On January 14, 2025, we completed the acquisition of the Silicon Carbide Junction Field-Effect Transistor ("SiC JFET") technology business from Qorvo US, Inc., and certain of its subsidiaries, for $118.8 million in cash. We believe the acquisition complements our EliteSiC power portfolio within the PSG reportable segment and enables us to help address the need for high energy efficiency and power density in the AC-DC stage in power supply units for AI data centers.

On October 27, 2025, we completed the acquisition of rights to Vcore power technologies, including associated intellectual property licenses, from Aura Semiconductor enhancing our power management portfolio. The total purchase consideration is up to $144 million, subject to customary purchase price adjustments, with $7 million paid in cash at close. Of the total purchase price, $72 million is payable upon acceptance and delivery of specified products and the remaining $72 million is contingent upon the achievement of certain revenue milestones through 2030.

2025 Manufacturing Realignment Program

During the first quarter of 2025, we announced restructuring and cost reduction initiatives based on an evaluation of our operating structure, business strategy, manufacturing technologies and internal capabilities to realign our internal manufacturing capacity and capabilities with anticipated long-term needs.

We incurred total severance costs and related benefit expenses of $67.1 million related to the termination of approximately 2,400 employees. Additionally, we recorded non-cash impairment charges of $496.0 million during the year ended December 31, 2025 related to previous investments in manufacturing equipment at certain manufacturing facilities pursuant to held-for-sale accounting guidance. Other charges of $103.9 million for the year ended December 31, 2025, comprised of other exit costs, accelerated depreciation and contract termination costs, were incurred as part of the program. The total of the aforementioned costs was included within Restructuring, Asset Impairments and Other, Net in the Consolidated Statement of Operations.

We also recorded $268.2 million relating to excess and obsolete inventory charges, of which $37.9 million and $230.3 million related to inventory primarily considered work in progress within the PSG and ISG reportable segments, respectively. Additionally, we recorded $45.4 million related to write-off of consumables, manufacturing supplies and obligations for certain unfulfilled purchase commitments due to the manufacturing capacity reduction actions associated with the program. These charges were recorded within Cost of revenue in the Consolidated Statement of Operations.

For additional information, see Note 7: ''Restructuring, Asset Impairments and Other, net'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K.

We continue to evaluate our employee workforce composition (both employee positions and locations) and manufacturing capacity and footprint for potential operational improvements and efficiencies.

Share Repurchases

During the year ended December 31, 2025, we repurchased approximately 27.9 million shares of our common stock for an aggregate purchase price of approximately $1,375.0 million, excluding fees, commissions and excise taxes. See Note 10: ''Earnings Per Share and Equity'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for additional information.

Repayment of Revolver

On December 31, 2025, we repaid $375.0 million that was outstanding on the Revolving Credit Facility. As of December 31, 2025, we had approximately $1.5 billion available under the Revolving Credit Facility for future borrowings, except for amounts utilized for the letters of credit.

See Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for additional information.

Revenue-Generating Activities

onsemi generates revenue primarily from the sale of semiconductor products to distributors and direct customers. We also generate revenue, to a much lesser extent, from product development agreements. We believe that our ability to offer a broad range of products, combined with our global manufacturing and logistics network, provides our customers with single source purchasing.

The following table illustrates the product technologies under each of our segments based on our operating strategy:

See Note 3: ''Segments and Revenue'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for other information regarding our segments, their revenue and gross profit derived from each segment.

Products and Technology

The following provides certain information regarding the products and technologies for each of our operating segments.

PSG

PSG provides a broad portfolio of discrete, module, and integrated semiconductor devices designed to enable high‑efficiency and high‑power conversion across AI data centers, energy infrastructure, automotive and industrial. Our offerings include power switching devices, signal conditioning products, and circuit‑protection technologies that support increasing demands for performance, power density and system reliability.

Market demand for PSG products continues to be driven by vehicle electrification, renewable energy expansion, modernization of global power infrastructure, and the rapid scaling of AI and high‑performance computing systems. PSG’s Silicon & WBG power technologies, spanning FETs and diodes, play a critical role in high‑power conversion for energy infrastructure, energy storage, AI data centers, fast-charging systems, electric vehicles and industrial drives. Our vertically integrated SiC manufacturing strategy enhances supply assurance, cost competitiveness, and device performance. PSG continues to advance its manufacturing footprint through network optimization initiatives that improve overall utilization and flexibility. These actions support long‑term gross margin expansion and enable efficient scaling of differentiated high‑value power products.

AMG

AMG designs and develops a comprehensive range of analog and mixed-signal solutions including power‑management, sensor‑interface, connectivity, and standard products that serve automotive, industrial automation, AI data center, computing, and mobile end markets. These products include multi‑phase controllers, gate drivers, DC‑DC and AC‑DC converters, power protection devices, ultrasonic sensors, AFEs, LDOs, single pair Ethernet connectivity, isolation, logic, and more.

AMG enables solutions across the power‑tree architectures in its target markets, enabling high‑efficiency power management, along with high performance, precise sensing and robust communication interfaces for next‑generation system designs. AMG delivers advanced analog and mixed-signal technology through our Treo Platform. The Treo Platform is a single, scalable technology platform supporting a wide voltage range, high temperature and an ever-evolving SoC, like architecture accelerating time to market. This technology platform supports intelligent power and sensing solutions used in electrified transportation, factory automation, and other high performance, next-generation applications.

ISG

ISG develops advanced imaging technologies that include high‑performance CMOS image sensors, ISPs, SWIR sensors, and more. These technologies support high‑dynamic‑range, low‑noise, and high‑reliability imaging essential to automotive ADAS, industrial automation, robotics, and AI‑enabled perception systems. ISG continues to shift its focus to the areas of advanced imaging performance and long product lifecycles. Photon‑counting technologies, including SPAD arrays and SiPM devices, continue to play a role in emerging applications such as depth sensing, factory automation, safety systems, and robotics.

Customers

We sell our products to direct customers and distributors for ultimate use in a variety of end-products in different end-markets. In general, we have maintained long-term relationships with our key customers, and our sales agreements are renewable periodically and contain certain terms and conditions with respect to payment, delivery, warranty and supply.

We generally warrant that products sold to our customers will, at the time of shipment, be free from defects in workmanship and materials and conform to our approved specifications. Our standard warranty extends for a period of two years from the date of delivery, except in the case of image sensor products, which are warranted for one year from the date of delivery. Unless otherwise agreed in writing, customers may cancel orders 45-120 days prior to shipment, depending on the product, for standard products without penalty and, for custom products, prior to shipment, provided they pay onsemi's actual costs incurred as of the date we receive the cancellation notice. The loss of one of our large customers would have a material adverse effect on the operations of the respective segment and may have a material adverse effect on our consolidated results of operations.

Distributors

Sales to distributors accounted for approximately 54%, 53% and 52% of our revenue in 2025, 2024 and 2023, respectively. We had one distributor whose revenue accounted for approximately 11% and 10% of the total revenue for the years ended December 31, 2025 and 2024, respectively. There were no distributors whose revenue accounted for more than 10% of total revenue for the year ended December 31, 2023. Our distributors provide fulfillment services and resell our products to OEMs, contract manufacturers, and other end-customers. Sales to distributors are typically made pursuant to agreements that provide return rights and stock rotation provisions permitting limited levels of product returns.

Direct Customers

Sales to direct customers accounted for approximately 46%, 47% and 48% of our revenue in 2025, 2024 and 2023, respectively. Large multi-national companies and selected regional OEMs, which are significant in specific markets, form our core direct customers. Generally, these customers do not have the right to return our products following a sale other than pursuant to our warranty.

For additional information regarding agreements with our customers, see "Markets," "Resources," "Risk Factors - Trends, Risks and Uncertainties Related to Our Business" and Note 2: ''Significant Accounting Policies'' under the heading "Revenue Recognition" in the notes to our audited consolidated financial statements, included elsewhere in this Form 10-K.

Markets

Product Development

onsemi is focused on innovation to create intelligent power and sensing technologies that solve the most challenging customer problems. Our product development efforts are directed towards the following:

• addressing the need for solutions to manage and optimize the growing power demands and distribution within AI data centers;

• powering the electrification of the automotive industry with our intelligent power technologies that allow for lighter and longer-range electric vehicles and enable efficient fast-charging systems;

• propelling the sustainable energy evolution with our intelligent power technologies for the highest efficiency solar strings, industrial power and storage systems;

• enhancing the automotive mobility experience with our intelligent sensing technologies with imaging and depth sensing that make AD, ADAS, and advanced vehicle safety possible; and

• enabling robotics, humanoids, automation, and data exchange (Industry 4.0) with our intelligent sensing technologies for smarter factories and buildings.

While our new product development efforts continue to be focused on building solutions in areas that appeal to customers in focused market segments and across multiple high-growth applications, it is our practice to regularly re-evaluate our research and development spending, to assess the deployment of resources and to review the funding of high-growth technologies. We deploy people and capital with the goal of maximizing the return for our research and development investments by targeting innovative products and solutions for high-growth applications that we believe position us to outperform the industry.

End-Markets

We serve a broad base of end-user markets, with a primary focus towards automotive and industrial. The following table sets forth our principal end-markets, the estimated percentage of our revenue generated from each end-market during 2025, and sample applications for our products. Other includes the end-markets of AI data center, computing, consumer, networking, communication, etc.

Competition

We face significant competition from major international semiconductor companies, as well as smaller companies focused on specific market niches. Because some of our components include functionality that in some cases may be integrated into more complex ICs, we also face competition from manufacturers of ICs, ASICs and fully-customized ICs, as well as customers who develop their own IC products. See "Risk Factors — Trends, Risks and Uncertainties Related to Our Business" included elsewhere in this Form 10-K for additional information.

Some of our competitors have greater financial and other resources to pursue development, engineering, manufacturing, marketing and distribution of their products and may generally be better situated to withstand adverse economic or market conditions. The semiconductor industry has experienced, and may continue to experience, significant consolidation among companies and vertical integration among customers. The following discusses the effects of competition on our three operating segments:

PSG

Our competitive strengths include core competencies such as leading-edge fabrication technologies, micro and module packaging expertise, breadth of product line and IP portfolio, high-quality, cost-effective manufacturing and supply chain management. Our commitment to continuous innovation allows us to provide a broad range of semiconductor solutions to our customers who differentiate in power density and power efficiency, the key performance characteristics driving our markets.

New products and package innovation that enable enhanced performance over existing portfolios drive competition. A central focus of our portfolio is intelligent power technology based on silicon, silicon carbide, and GaN. These wide bandgap technologies are designed and manufactured by onsemi and supplied to customers in multiple forms, including bare die, packaged discrete products, and complete power modules. In addition to our power technologies, we believe our integrated circuit, signal, and protection technologies have significant performance advantages over our competition. PSG’s primary competitors include: Infineon Technologies AG ("Infineon"), STMicroelectronics N.V. ("STMicroelectronics"), Wolfspeed Inc., ROHM Semiconductor and Nexperia BV.

AMG

AMG principally competes on design experience, manufacturing capability, depth and quality of IP, ability to service customer needs from the design phase to the shipping of a completed product, length of design cycle, longevity of technology support and

experience of sales and technical support personnel. Our competitive position with respect to the above is enhanced by long-standing relationships with leading customers.

Our ability to compete successfully depends on internal and external variables. These variables include, but are not limited to, the timeliness with which we can develop new products and technologies, product performance and quality, manufacturing yields and availability of supply, customer service, pricing, industry trends and general economic trends. Competitors for certain of AMG's products and solutions include: Texas Instruments Incorporated, Analog Devices, Inc., Infineon, STMicroelectronics, Renesas Electronics Corporation, Monolithic Power Systems Inc. and NXP Semiconductors N.V.

ISG

ISG differentiates itself from the competition through deep technical knowledge and close customer relationships to drive leading-edge sensing performance primarily in machine vision applications. ISG has significant imaging experience and was one of the earliest to commercialize CMOS active pixel sensors and introduce CMOS technology in many of our markets. ISG has leveraged this expertise into market-leading positions in automotive and industrial applications, which allow us to offer technical and end-user applications knowledge to help customers develop innovative sensing solutions across a broad range of end-user needs.

Competitors for certain of ISG's products and solutions include: Sony Semiconductor Manufacturing Corporation, Samsung Electronics Co., Ltd., and Omnivision Technologies Inc.

Sales, Marketing and Distribution

We have global distribution centers in China, the Philippines and Singapore. Global and regional distribution channels further support our customers' needs for quick response and service. We offer efficient, cost-effective global applications support from our technical information centers and solution engineering centers, allowing for applications that are developed in one region of the world to be instantaneously available throughout all other regions.

Backlog

Our sales are made primarily pursuant to orders that are booked as far as 52 weeks in advance of delivery. Generally, prices and quantities are fixed at the time of booking. Backlog as of a given date consists of existing orders and forecasted demand from our customers, in each case scheduled to be shipped in the current or future period. Backlog is influenced by several factors, including market demand, pricing and customer order patterns in reaction to product lead times. In the semiconductor industry, backlog quantities and shipment schedules under outstanding purchase orders are frequently revised to reflect changes in customer needs.

Resources

Raw Materials

Our manufacturing processes use many raw materials, including silicon wafers, SiC wafers, laminate substrates, gold, copper, lead frames, mold compound, ceramic packages and various chemicals and gases. We seek to obtain our raw materials and supplies in a timely, planned manner from our suppliers to allow for our manufacturing cycle to align with the timing of our customer demands. However, suppliers may extend lead times, limit supplies or increase prices due to capacity constraints or other factors beyond our control.

Manufacturing and Design Operations

We currently have domestic design operations in Arizona, California, Idaho, New York, Oregon, Pennsylvania, Rhode Island and Texas. We also have foreign design operations in Belgium, Canada, China, the Czech Republic, Germany, India, Ireland, Israel, Italy, Japan, South Korea, the Philippines, Romania, Singapore, the Slovak Republic, Slovenia, Switzerland, Taiwan and the United Kingdom. We operate front-end wafer fabrication facilities in the United States, the Czech Republic, Japan, South Korea, and Malaysia and back-end assembly and test site facilities in Canada, China, Malaysia, the Philippines, Vietnam and the United States. In addition to these front-end and back-end manufacturing operations, our facility in Hudson, New Hampshire manufactures SiC crystal boules and our facilities in Rožnov pod Radhoštěm, the Czech Republic and Bucheon, South Korea manufacture silicon and SiC wafers that are used by a number of our facilities.

The table below sets forth information with respect to the manufacturing facilities we operate either directly or pursuant to joint ventures, the reportable segments that use such facilities, and the approximate gross square footage of each site's building, which includes, among other things, manufacturing, laboratory, warehousing, office, utility, support and unused areas.

(1)These facilities are leased.

(2)This facility is used for both front-end and back-end operations.

(3)These facilities are located on leased land.

All of our manufacturing facilities are fully owned and operated by us, except our assembly and test operations facility located in Leshan, China, which is owned by Leshan-Phoenix Semiconductor Company Limited, a joint venture company in which we own 80% of the outstanding equity interests ("Leshan"). The financial and operating results of Leshan have been consolidated in our financial statements. Our joint venture partner is Leshan Radio Company Ltd. ("Leshan Radio"). Pursuant to the joint venture agreement between us and Leshan Radio, requests for production capacity are made to the board of directors of Leshan by each shareholder of the joint venture. Each request represents a purchase commitment, provided that any shareholder may elect to pay the cost associated with the unused capacity (which is generally equal to the fixed cost of the capacity) in lieu of satisfying the commitment. We purchased 80% of Leshan's production capacity in each of 2025, 2024 and 2023, and are currently committed to purchase approximately 80% of Leshan's expected production capacity in 2026.

We use third-party contractors for some of our manufacturing activities, primarily for wafer fabrication and the assembly and testing of finished goods. Our agreements with these manufacturers typically require us to forecast product needs and commit to purchase services consistent with these forecasts. In some cases, longer-term commitments are required in the early stages of the relationship. These manufacturers collectively accounted for approximately 34% of our total manufacturing input costs in 2025, 33% in 2024 and 36% in 2023.

For information regarding risks associated with our foreign operations, see "Risk Factors — Trends, Risks and Uncertainties Related to Our Business" included elsewhere in this Form 10-K.

Patents, Trademarks, Copyrights and Other Intellectual Property Rights

We market our products under worldwide trademarks, including ON Semiconductor, ON, onsemi, and various product names and logos, and, in the United States and internationally, we rely primarily on a combination of patents, trademarks, copyrights,

trade secrets, employee and non-disclosure agreements and licensing agreements to protect our IP. We hold a substantial number of issued and pending patents worldwide and continue to prosecute applications in areas that are material to our business. We do not consider our business substantially dependent on any single onsemi patent. Our policy is to protect our products and processes by asserting our IP rights where appropriate and prudent and by obtaining patents, copyrights and other IP rights used in connection with our business when practicable and appropriate. Over the last five years, we have strategically rationalized our patent portfolio to focus on higher-value inventions aligned to our core technologies and products as our business strategy has evolved. We believe the scope and duration of our IP rights, including trade-secrets and technical know-how, are adequate to protect our products and processes.

For information regarding risks associated with intellectual property, see "Risk Factors — Trends, Risks and Uncertainties Related to Intellectual Property" included elsewhere in this Form 10-K.

Seasonality

During recent years, we experienced fluctuations in our operating results due to macroeconomic conditions, as well as those within the semiconductor industry. However, we believe our business is driven more by content gains within applications and secular growth drivers and not solely by macroeconomic and industry cyclicality. For information regarding risks associated with the cyclicality and seasonality of our business, see "Risk Factors — Trends, Risks and Uncertainties Related to Our Business" included elsewhere in this Form 10-K.

Government Regulation

Our manufacturing operations are subject to various United States and foreign environmental and worker health and safety laws and regulations. These laws and regulations include those relating to emissions and discharges into the air and water, the management and disposal of hazardous substances, the release of hazardous substances into the environment at or from our facilities and at other sites and the investigation and remediation of contamination. As with other companies engaged in like businesses, the nature of our operations exposes us to the risk of liabilities and claims, regardless of fault, with respect to such matters, including personal injury claims and civil and criminal fines.

We believe that our operations are in material compliance with applicable environmental and health and safety laws and regulations. The costs we incurred in complying with applicable environmental regulations for the year ended December 31, 2025 were not material, and we do not currently expect the cost of complying with existing environmental and health and safety laws and regulations, together with any liabilities for currently known environmental conditions, to have a material adverse effect on our capital expenditures or earnings or on our competitive position in any one year. It is possible, however, that future developments, including changes in laws and regulations, government policies, customer specification, personnel and physical property conditions, including currently undiscovered contamination, could lead to material costs, and such costs may have a material adverse effect on our future business or prospects. See Note 13: ''Commitments and Contingencies'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for information on certain environmental matters.

We are also subject to numerous United States and foreign laws and regulations, including, without limitation, tariffs, trade sanctions, trade barriers, trade embargoes, regulations relating to import-export control, technology transfer restrictions, the International Traffic in Arms Regulation promulgated under the Arms Export Control Act ("ITAR"), the Foreign Corrupt Practices Act ("FCPA"), and the anti-boycott provisions of the U.S. Export Administration Act. Additionally, United States and foreign governmental authorities have taken, and may continue to take, administrative, legislative or regulatory action that could impact our operations.

We believe that our operations are in material compliance with applicable trade regulations relating to import-export control, technology transfer restrictions, ITAR, FCPA, the anti-boycott provisions of the U.S. Export Administration Act, and similar applicable laws and regulations. The costs we incurred in complying with applicable trade regulations for the year ended December 31, 2025 were not material, and we do not currently expect the cost of complying with existing trade laws and regulations to have a material adverse effect on our capital expenditures or earnings or on our competitive position in any one year. It is possible, however, that future developments, including changes in laws and regulations or government policies, could lead to material costs, and such costs may have a material adverse effect on our future business or prospects. For information regarding risks associated with import-export control regulations and similar applicable laws and regulations, see "Risk Factors — Trends, Risks and Uncertainties Related to Our Business" included elsewhere in this Form 10-K.

Corporate Responsibilities

onsemi aims to be a responsible corporate citizen. We uphold ethical standards in our business practices and policies, and we believe that sustainable corporate practices and consistent attention to environmental, social and governance priorities will help enhance long-term value for our stockholders.

onsemi strives to protect and respect its environment and energy resources for future generations throughout its operations, including wafer fabrication, assembly, test, support operations, and through its value chain. We have a goal to achieve net zero emissions by 2040, supported by our climate change policy, which highlights the focus areas for climate change-related actions.

We work together with our customers, peers, partners and suppliers to promote continual improvement in human rights, labor, environment, health and safety, anti-corruption, ethics and management system standards within our operations and our supply chain. We proactively comply with the Responsible Business Alliance (“RBA”) Code of Conduct, which is aimed at eliminating forced labor, slavery and human trafficking and conflict minerals, pursuant to our involvement with the Responsible Minerals Initiative.

Our Board of Directors (the "Board of Directors" or the "Board") and management regularly evaluate our corporate responsibility policies, including our Code of Business Conduct and other corporate social responsibility policies and programs, to help ensure an effective outcome and adherence by our employees, suppliers, vendors and partners.

Human Capital Resources

Core Principles

Our success depends on our ability to attract, train, retain, and motivate the employees who design, develop, manufacture, and support our products and services. We value the diversity of our global workforce and are intentional about creating opportunities for growth and development, welcoming a wide range of perspectives, and fostering an inclusive environment where everyone can thrive. As a member of the RBA, its principles are deeply embedded in our culture and core values, shaping our commitments to employees, customers, communities, and other stakeholders. These principles guide us in providing a safe, respectful, and positive workplace that emphasizes continuous learning, professional development, ethical conduct, and respect for every individual.

Headcount

As of December 31, 2025, we had approximately 22,600 regular full‑time employees and about 70 part‑time or temporary employees across 33 countries. Of our regular full‑time workforce, roughly 15% are based in the United States and Canada, 12% in Europe and the Middle East, and 73% in Asia Pacific and Japan. Around 72% of employees work in manufacturing, 2% in research and development, 4% in customer service or other sales and marketing functions, and 22% in other roles. Approximately 150 of our U.S. employees, about 4% of our U.S. workforce, are covered by a collective bargaining agreement, all of whom are located at our Mountain Top, Pennsylvania manufacturing facility. In addition, certain employees outside the United States are covered by collective bargaining agreements or similar arrangements (e.g., those in China, Vietnam, Japan, the Czech Republic, and Belgium) or are represented by works councils.

Compensation, Benefits, Health, Safety and Wellness

Our compensation philosophy centers on providing competitive total rewards that align with corporate affordability while supporting our ability to attract, retain, and recognize high‑performing talent. We offer employees and their families flexible and convenient health and wellness programs, along with benefits designed to support them during life events that require time away from work or affect their financial well‑being.

We provide a comprehensive mix of total rewards and other programs—varying by region and salary grade—including annual performance bonuses; stock awards and an employee stock purchase plan; retirement support; healthcare and insurance coverage; business travel and disability insurance; health savings and flexible spending accounts; flexible work arrangements; vacation and paid time off; parental leave; counseling assistance; education support; and on‑site services, such as health centers and fitness facilities.

Career Growth and Development

We invest in professional development and growth to strengthen employee motivation, performance, and retention. Our talent development programs equip employees with the tools and resources needed to advance their careers, build critical skills, and lead effectively within the organization. To support this, we introduced a career framework tool that helps employees define their career goals, develop the capabilities required to achieve them, and explore internal opportunities aligned with their aspirations.

Turnover

We monitor employee turnover rates both regionally and globally. Our workforce has an average tenure of approximately 12 years, and about 44% of employees have been with onsemi for more than a decade. We believe that our compensation philosophy, combined with the career growth and development opportunities we provide, supports longer employee tenure and helps reduce voluntary turnover.

Information about Our Executive Officers

Certain information concerning our executive officers as of February 9, 2026 is set forth below.

All of our executive officers are also officers of SCI LLC. The present term of office for the officers named above will generally expire on the earliest of their retirement, resignation or removal. There are no family relationships among our executive officers.

Hassane El-Khoury. Mr. El-Khoury was appointed as President, Chief Executive Officer and Director of onsemi in December 2020. Prior to joining onsemi, he spent 13 years at Cypress Semiconductor Corporation, a semiconductor design and manufacturing company ("Cypress"), serving as Chief Executive Officer from August 2016 to April 2020. During his time at Cypress, he held various positions spanning business unit management, product development, applications engineering and business development. Additionally, Mr. El-Khoury currently serves as Chairman of the board of directors of Leia Inc. He holds a Bachelor of Science in electrical engineering from Lawrence Technological University and a Master's of Engineering Management from Oakland University.

Thad Trent. Mr. Trent was appointed Executive Vice President and Chief Financial Officer of onsemi in February 2021. Mr. Trent has held several leadership roles throughout his career, and he currently serves on the board of directors of Lumentum Holdings Inc. as well as the board of Leia Inc. He previously served as Chief Financial Officer at Cypress ("Cypress CFO") responsible for strategic planning, accounting, investor relations, tax, corporate development and information technology. He first joined Cypress in 2005 and served as Cypress CFO from June 2014 until its sale to Infineon in April 2020. Under his leadership, Cypress’ revenue increased from $723 million to $2.5 billion, and the enterprise value increased five times during his tenure as Cypress CFO. He is a seasoned finance professional with progressive leadership and management experience with both global publicly held technology companies and startups. Mr. Trent has a proven track record of driving sustainable financial performance, transformative mergers and acquisitions, operational excellence, process efficiency, financial leadership and robust compliance and regulatory control. He earned his Bachelor of Science in business administration and finance at San Diego State University.

Simon Keeton. Mr. Keeton joined onsemi in July 2007 and is currently the Group President, PSG of onsemi. During his career, Mr. Keeton has held various management positions within onsemi. Before Mr. Keeton’s promotion to his current role on February 26, 2024, he served as Executive Vice President and General Manager, PSG starting in January 2019. Prior to that role, he was a Senior Vice President and General Manager of the MOSFET Division. From 2012 to 2016, Mr. Keeton served as Vice President and General Manager of the Integrated Circuit Division under our former Standard Products Group. Prior to that time, he served as Vice President and General Manager of the Consumer Products Division from 2009 to 2012 and as Business Unit Director of our Signals and Interface Business Unit from 2007 to 2009. Before joining onsemi, Mr. Keeton served as Strategic Planning Manager of the Digital Enterprise Group of Intel Corporation ("Intel") and held various marketing and business management roles at Vitesse Semiconductor Corporation. He earned a Bachelor of Science degree in computer

engineering and a Master of Science Degree in electrical engineering from Michigan State University, and a Master of Business Administration from Pepperdine University – in addition to completing an executive business program from Harvard Business School.

Sudhir Gopalswamy. Mr. Gopalswamy joined onsemi in March 2022 and is currently the Group President, ISG and AMG of onsemi. He served as Senior Vice President and General Manager, AMG from April 2023 to February 2024. Prior to April 2023 when he was appointed to lead AMG, Mr. Gopalswamy was the Chief Strategy Officer driving our corporate strategy development, annual strategic planning cycle and other key initiatives. Before joining onsemi, he served as Principal at Shamago Advisors from March 2021 to March 2022. Mr. Gopalswamy worked at Cypress from 2008 until its 2020 acquisition by Infineon. Following that acquisition, Mr. Gopalswamy was appointed Executive Vice President and Board Member of the Connected Secure Systems Division of Infineon and served in that role until March 2021. Before joining Cypress in 2008, he held leadership positions with ever-increasing scope at Intel and Conexant Systems, Inc. Mr. Gopalswamy holds a Bachelor of Science in electrical engineering from Purdue University, as well as a Master in Business Administration from Duke University, and he has also attended Stanford Directors’ College at Stanford University.

Available Information

Our website is www.onsemi.com. We make our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and other reports and all amendments to those reports available, free of charge, in the "Investor Relations" section of our website as soon as reasonably practicable after we electronically file these materials with, or furnish these materials to, the SEC. Information on or accessible through our website is neither part of, nor incorporated by reference into, this Form 10-K or any other report filed with or furnished to the SEC. You can also find these materials on the SEC website at www.sec.gov.

Forward-Looking Statements

This Annual Report on Form 10-K includes "forward-looking statements," as that term is defined in Section 27A of the Securities Act and Section 21E of the Exchange Act. All statements, other than statements of historical facts, included or incorporated in this Form 10-K could be deemed forward-looking statements, particularly statements about our plans, strategies and prospects under the headings "Management’s Discussion and Analysis of Financial Condition and Results of Operations" and "Business." Forward-looking statements are often characterized by words such as "believes," "estimates," "expects," "projects," "may," "will," "intends," "plans," "anticipates," "should" or similar expressions, or by discussions of strategy, plans or intentions. All forward-looking statements in this Form 10-K are made based on our current expectations, forecasts, estimates and assumptions, and involve risks, uncertainties and other factors that could cause results or events to differ materially from those expressed in the forward-looking statements. Important factors that could cause our actual results to differ materially from those anticipated in the forward-looking statements are described below. Readers are cautioned not to place undue reliance on forward-looking statements. We assume no obligation to update such information, which speaks only as of the date made, except as may be required by law.

Investing in our securities involves a high degree of risk and uncertainty, and you should carefully consider the trends, risks and uncertainties described below and other information in this Form 10-K and subsequent reports filed with or furnished to the SEC before making any investment decision with respect to our securities. The risk factors described below are not all of the risks we may face. Other risks not presently known to us or that we currently believe are immaterial may materially affect our business. If any of the following trends, risks or uncertainties occurs or continues, our business, financial condition or operating results could be materially and adversely affected, the trading price of our securities could decline, and you could lose all or part of your investment. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by this cautionary statement.

Trends, Risks and Uncertainties Related to Our Business

The manufacturing and other operations required to produce our products are highly dependent on the efficient operation of numerous processes, including processes contingent upon third-party component manufacturers and other service providers, and any disruption in these processes could have a material adverse effect on our business and results of operations.

Our manufacturing network includes multiple owned and third-party facilities, which may each produce one or more components necessary for the assembly of a single product. As a result of this interdependence, an operational disruption at a single facility may have a disproportionate impact on our ability to produce many of our products. In the event of such a disruption, we may be unable to effectively source replacement components on acceptable terms from qualified third parties, in which case our ability to produce many of our products could be materially disrupted or delayed. Conversely, some of our facilities are single source facilities that only produce one of our end-products, and a disruption at any such facility would materially delay or cease production of the related product. In the event of any such operational disruption, we may experience difficulty in beginning production of replacement components or products at new facilities or transferring production to other existing facilities, any of which could result in a loss of future revenues and materially adversely affect our business and results of operations.

In addition, for certain manufacturing activities and for the supply of raw materials, we utilize third-party suppliers. Our agreements with these suppliers typically require us to commit to purchase goods or services based on forecasted product needs, which may be inaccurate, and, in some cases, require longer-term commitments. We are also dependent upon a limited number of highly specialized third-party suppliers for required components and materials for certain of our key technologies. Arranging for replacement manufacturers and suppliers can be time-consuming and costly, and the number of qualified alternative providers can be extremely limited. Our business operations, productivity and customer relations could be materially adversely affected if these contractual relationships were disrupted or terminated, the cost of such services increased significantly, the quality of the services deteriorated or our forecasted needs proved to be materially incorrect. Generally, our agreements with suppliers of raw materials impose no minimum or continuing supply obligations, and we obtain our raw materials and supplies from a large number of sources. However, shortages could occur in various essential raw materials, and if we are unable to obtain adequate supplies of raw materials in a timely manner, the costs of our raw materials increase significantly, their quality deteriorates or they give rise to compatibility or performance issues in our products, our results of operations could be materially adversely affected.

Our manufacturing efficiency is contingent upon the operations of these interdependent processes and will continue to be an important factor in our future profitability, and there can be no assurance that we will be able to maintain our manufacturing efficiency, increase our manufacturing efficiency to the same extent as our competitors when facing an increased demand, or be successful in our manufacturing rationalization plans. For example, public health crises may cause disruption to our domestic

and international operations. Any associated worker absenteeism, quarantines and restrictions on certain of our employees’ ability to perform their jobs, office and factory closures or restrictions, labor shortages, disruptions to ports and other shipping infrastructure, border closures and/or other travel or health-related restrictions could, depending on the magnitude of such effects on our manufacturing activities (or activities of our suppliers, third-party distributors or sub-contractors), cause disruption and delay to our supply chain, manufacturing and product shipments. Such disruption and delays could materially adversely affect our business, results of operations and financial condition.

In addition, if we are unable to utilize our manufacturing facilities, testing facilities and external manufacturers at expected or minimum purchase obligation levels, or if production capacity increases while revenue does not, the fixed costs and other operating expenses associated with these facilities and arrangements will not be fully absorbed, resulting in higher average unit costs and lower gross profits, which could have a material adverse effect on our results of operations. Further, if we need to rapidly increase our business and manufacturing capacity to meet increases in demand or expedited shipment schedules, this could strain our manufacturing and supply chain operations and negatively impact our working capital. Moreover, if we are unable to accurately forecast demand for our products, we may purchase more or fewer parts than necessary or incur costs for canceling, postponing or expediting delivery of parts. If we purchase or commit to purchase inventory in anticipation of customer demand that does not materialize, or such inventory is rendered obsolete by the rapid pace of technological change, or if customers reduce, delay or cancel orders, we may incur excess or obsolete inventory charges.

**We may be unable to implement certain business strategies an

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None.

Risk Management and Strategy

The secure processing, maintenance and transmission of sensitive data, including confidential and other proprietary information about our business and our employees, customers, suppliers and business partners, is important to our operations and business strategy. As a result, cybersecurity and data protection are key components of our long-term strategy.

We use various processes to inform our assessment, identification and management of risk from cybersecurity threats. Key areas of our cybersecurity risk management processes and strategy currently include:

• Cross-Functional Collaboration and Coordination. Our Enterprise Cybersecurity Services (“ECS”) team, led by our Chief Information Security Officer (“CISO”), has first line responsibility for our cybersecurity risk management processes. The ECS team works in partnership with other internal teams to coordinate efforts, priorities and oversight. These include:

◦our Cybersecurity Executive Council (the “Council”), which is composed of key leaders from stakeholder groups throughout the Company, including the CISO and certain members of senior management;

◦our Enterprise Risk Management (“ERM”) team, which is responsible for evaluating and assessing overall

enterprise risk, including cybersecurity risk, and advising senior management and the Board regarding our overall risk profile and priorities as they evolve;

◦our Internal Audit Department (“IAD”), which monitors certain IT systems controls that are integrated into our larger Sarbanes-Oxley control environment; and

◦our Cyber Incident Response Team (“CIRT”), a cross-functional team of subject matter experts from across the Company and certain third-party support providers that we have on retainer.

• Ongoing Evaluation and Assessment of Systems and Processes. We update our information security management system from time to time as appropriate and we employ standards and frameworks as we deem necessary to assist us in monitoring compliance with regulatory, industry and evolving data privacy requirements. In addition to periodic in-depth evaluations of our systems and processes, we monitor our IT systems and processes on an ongoing basis with the goal of identifying and remediating real and potential threats as they arise. We adjust our systems, procedures and policies regularly as we deem necessary in response to identified threats and risks.

• Security Awareness Program to Train and Test Personnel. We sponsor a multi-faceted security awareness program that includes mandatory trainings for our personnel on data protection and malware detection, policy and process awareness, periodic phishing simulations and other kinds of preparedness testing.

• Cyber Incident Response Plan. We maintain a cross-functional cyber incident response plan with defined roles, responsibilities and reporting protocols. This plan, which we evaluate and test on a regular basis, focuses on responding to and recovering from any significant breach as well as mitigating any impact to our business. Generally, when a breach or suspected breach is identified, the ECS team would escalate the issue to the Council for initial analysis and guidance. In the event of a significant breach, the CIRT, overseen by the Council, would typically be tasked with preparing an initial response. The Council (in consultation with, among others, the CIRT) would be responsible for determining whether a particular incident (alone or in combination with other factors) triggers any reporting or notification responsibilities.

• Regular Evaluation of Initiatives, Results and Priorities. The ECS team, in consultation with the Council and other members of senior management, updates its strategy at least annually to account for changes in our business strategy, legal and regulatory developments across our geographic footprint, the results of our recent ECS initiatives, and further developments in the cybersecurity threat landscape. In addition, we periodically engage a third-party provider to conduct an external assessment of our security program. The results of this assessment, which are reported to the Audit Committee (and the Board, as appropriate), assist us in determining whether any further changes to our existing policies and practices are warranted.

We expect that our cybersecurity risk management processes and strategy will continue to evolve as the cybersecurity threat landscape evolves.

As indicated above, we engage third-party providers to assist us with our cybersecurity risk management and strategy. Some of these providers provide us with ongoing assistance (such as threat monitoring, mitigation strategies, updates on emerging trends and developments and policy guidance) while we engage others to provide targeted assistance (such as security and forensic expertise) as needed. Prior to exchanging any sensitive data or integrating with any key third-party provider, we assess their security fitness against our risk posture and request changes as we deem necessary.

As of December 31, 2025, we have not identified any risks from cybersecurity threats (including any previous cybersecurity incidents) that have materially affected the Company, our business strategy, our results of operations or our financial condition. For a discussion of risks from cybersecurity threats that could be reasonably likely to materially affect us, please see our Risk Factors discussion under the heading, “Trends, Risks and Uncertainties Related to Technology and Data Privacy” included elsewhere in this Form 10-K.

Governance

Consistent with our overall risk management governance structure, management is responsible for the day-to-day management of cybersecurity risk while our Board and its Audit Committee play an active, ongoing oversight role.

Board Oversight. Our Board has delegated to its Audit Committee specific, first-line responsibility for overseeing major cybersecurity risk exposures in addition to our broader ERM program. Specifically, under its charter, the Audit Committee is responsible for overseeing our cybersecurity posture, risk assessment, strategy and mitigation and for making recommendations

to address and resolve any breaches or issues related to the protection or privacy of our data. Management (including our Chief Information Officer (“CIO”) and our CISO) reports at least quarterly to the Audit Committee on information security and data privacy and protection. These presentations address a wide range of topics, including trends in cyber threats and the status of initiatives intended to bolster our security systems and the cyber readiness of our personnel. The Audit Committee chair reports to the full Board on these risk discussions as appropriate. At least annually, the Board meets with members of our ERM team to review and discuss our ERM program, including areas of material risk and how these risks, which may include cybersecurity risk, are being managed and reported to the Board and its committees.

Management’s Role. Our ECS team is composed of several support teams that address and respond to cyber risk, including cyber risks related to security architecture and engineering, identity and access management and security operations. The ECS team oversees compliance with our cybersecurity framework within the organization and facilitates cybersecurity risk management activities throughout the organization. The ECS team also assists with the review and approval of policies, completes benchmarking against applicable standards, maintains a cyber risk register and oversees the security awareness program.

The onsemi cyber security program is based on the internationally recognized standard of ISO/IEC 27001:2022. The cyber program is formally certified by respective outside auditors on an annual basis and maintains certification globally.

Our ECS team is led by our CISO. Our CISO reports to our CIO who, in turn, reports to our Executive Vice President and Chief Financial Officer. Our CISO has over 20 years of experience in leading global security functions and strategies. Collectively, the other members of our ECS team have decades of relevant education and experience and maintain a wide range of industry certifications. We invest in regular, ongoing cybersecurity training for our ECS team.

As noted previously, our CISO is a member of the Council, which meets at least quarterly to provide operational direction to the ECS team considering the evolving risk landscape. The ECS team and the Council, through ongoing communication, monitor the prevention, detection, mitigation and remediation of cybersecurity threats and incidents. The CISO, in consultation with the Council and other members of senior management, reports such threats and incidents to the Audit Committee, as appropriate. These reports may be included in, or in addition to, his regular quarterly reports to the Audit Committee.

Our corporate headquarters, as well as certain design center and research and development operations, are located in approximately 200,000 square feet of building space on property that we lease in Scottsdale, Arizona. We also own and lease properties around the world for use as sales offices, design centers, research and development labs, warehouses, logistic centers, trading offices and manufacturing support. The size and location of these properties, which are used by all of our reportable segments, change from time to time based on business requirements. We operate distribution centers, which are leased or contracted through a third-party, in locations throughout Asia, Europe and the Americas. See "Business — Resources" included elsewhere in this Form 10-K for information on properties used in our manufacturing operations. While these facilities are primarily used in manufacturing operations, they also include office, utility, laboratory, warehouse and unused space. Additionally, we own and lease research and development facilities located in Belgium, Canada, China, the Czech Republic, Germany, India, Ireland, Israel, Italy, Japan, the Philippines, Singapore, South Korea, Romania, the Slovak Republic, Slovenia, Switzerland, Taiwan, the United Kingdom and the United States. Our joint venture in Leshan, China also owns manufacturing, warehouse, laboratory, office and other unused space.

Certain of our properties are subject to encumbrances such as mortgages and liens. See Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for further information. In addition, due to local law restrictions, the land upon which our facilities are located in certain foreign locations is subject to varying long-term leases. See "Business — Resources" and "Business — Government Regulation" included elsewhere in this Form 10-K for further details on our properties and environmental regulation.

The Company has elected to use a $1 million threshold for disclosing certain proceedings arising under federal, state or local environmental laws when a governmental authority is a party. The Company believes proceedings under this threshold are not material to its business and financial condition. See "Legal Matters" under Note 13: ''Commitments and Contingencies'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for a description of legal proceedings and related matters.

Not applicable.

PART II

Our common stock is traded under the symbol "ON" on the Nasdaq Global Select Market. The stock price details can be obtained from the Nasdaq website at www.nasdaq.com. As of February 4, 2026, there were approximately 151 holders of record of our common stock and 394,020,530 shares of common stock outstanding. Holders of record are defined as those stockholders whose shares are registered in their names in our stock records and do not include beneficial owners of common stock whose shares are held in the names of brokers, dealers or clearing agencies.

Company Stock Performance

The following graph shows a comparison of the five-year cumulative total stockholder return for onsemi, the PHLX Semiconductor Sector Index ("SOX"), and the Standard and Poor's 500 ("S&P 500"). The comparison assumes $100 was invested on December 31, 2020 in shares of our common stock and in both of the indices shown and assumes that all of the dividends were reinvested. Note that past stock price performance is not necessarily indicative of future stock price performance. The performance graph in this Form 10-K shall be deemed furnished, and not filed, and shall not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act as a result of this furnishing, except to the extent that we specifically incorporate it by reference.

We have neither declared nor paid any cash dividends on our common stock since our initial public offering. Our future dividend policy with respect to our common stock will depend upon our earnings, capital requirements, financial condition, debt restrictions and other factors deemed relevant by our Board of Directors in its sole discretion.

Our outstanding debt facilities may limit the amount of dividends we are permitted to pay and share repurchases under the Share Repurchase Program and the New Share Repurchase Program (each as defined below). We may pay dividends and buy back shares under the New Share Repurchase Program in an unlimited amount so long as, after giving effect thereto, the consolidated total net leverage ratio (calculated in accordance with our Credit Agreement) does not exceed 2.75 to 1.00. Additionally, under a different provision, so long as no default has occurred and is continuing or results therefrom, our Credit Agreement permits us to pay cash dividends to our common stockholders, buy back shares under the New Share Repurchase Program, or a combination thereof, in an amount up to $350.0 million per year. See Note 9: ''Long-Term Debt'' in the notes to the audited consolidated financial statements included elsewhere in this Form 10-K for further discussion of our Credit Agreement.

Issuer Purchases of Equity Securities

The following table provides information regarding repurchases of our common stock during the quarter ended December 31, 2025:

(1)The periods represent our fiscal month start and end dates for the fourth quarter of 2025.

(2)The price per share is based on the fair market value at the time of tender, repurchase or exercise of outstanding put options, respectively.

(3)Represents the authorized amount remaining under the Share Repurchase Program (as defined below) announced on February 6, 2023 to repurchase up to $3.0 billion of shares of our common stock through December 31, 2025 (exclusive of fees, commissions and other expenses).

Share Repurchase Program

In February 2023, the Board of Directors approved a share repurchase program (the “Share Repurchase Program”), which allowed for the repurchase of our common stock from time to time through a variety of methods, including in privately negotiated transactions or open market transactions, such as pursuant to a trading plan in accordance with Rule 10b5-1 and Rule 10b-18 of the Exchange Act or a combination of methods. The Share Repurchase Program, which did not require us to purchase any minimum amount of our common stock, allowed for repurchases up to $3.0 billion from February 8, 2023 through December 31, 2025 (exclusive of fees, commissions and other expenses). Any repurchases were at the Company’s discretion and subject to market conditions, the price of our shares and other factors.

The repurchases under the Share Repurchase Program amounted to an aggregate purchase price of approximately $1,375 million during the year ended December 31, 2025 (excluding fees, commissions and other expenses). There were approximately $650 million in repurchases of common stock for the year ended December 31, 2024 and approximately $564 million in repurchases of common stock under the previous share repurchase program during the year ended December 31, 2023 (in each case excluding fees, commissions and other expenses).

New Share Repurchase Program

In November 2025, the Board of Directors approved a new Share Repurchase Program (the "New Share Repurchase Program") under which the Company may repurchase up to an aggregate of $6.0 billion of the Company's common stock (exclusive of fees, commissions and other expenses). Under the New Share Repurchase Program, which does not require the Company to purchase any minimum amount of common stock or at all, the Company may repurchase shares from January 1, 2026 through December 31, 2028. The New Share Repurchase Program may be modified, suspended or terminated by the Board of Directors at any time without prior notice.

Through February 4, 2026, the Company acquired 2.9 million shares for $175.6 million under the New Share Repurchase Program pursuant to a 10b5-1 trading arrangement.

See Note 10: ''Earnings Per Share and Equity'' of the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for further information on the Share Repurchase Program and the New Share Repurchase Program.

You should read the following discussion in conjunction with our audited consolidated financial statements, including the notes thereto, which are included elsewhere in this Form 10-K. Management's Discussion and Analysis of Financial Condition and Results of Operations contains statements that are forward-looking. These statements are based on current expectations and assumptions that are subject to risk, uncertainties, and other factors and speak only as of the filing date. Actual results could differ materially because of the factors discussed in "Risk Factors" and elsewhere in this Form 10-K.

Executive Overview

This executive overview presents summarized information regarding our business and operating trends only. For further details, please read "Management's Discussion and Analysis of Financial Condition and Results of Operations" in its entirety.

onsemi Results

Our revenue for the year ended December 31, 2025 was $5,995.4 million, representing a decrease of 15.3% from $7,082.3 million for the year ended December 31, 2024. During 2025, we reported net income attributable to onsemi of $121.0 million compared to $1,572.8 million in 2024. Our operating income totaled $84.2 million during 2025 compared to $1,767.7 million during 2024. Our gross margin decreased by approximately 1,230 basis points to 33.1% in 2025 from 45.4% in 2024. Our operating results were significantly impacted by restructuring, asset impairment and other charges resulting from our 2025 Manufacturing Realignment Program. See Note 7: ''Restructuring, Asset Impairments and Other, net'' for additional information. We also continued to experience decreased demand in our automotive and industrial end-markets resulting in lower sales volumes and the corresponding underutilization of our manufacturing facilities. See discussion under "Results of Operations" for the reasons for the fluctuations year-over-year.

Business and Macroeconomic Environment

The semiconductor industry has traditionally been highly cyclical, and has often experienced significant downturns in connection with, or in anticipation of, declines in general economic conditions. During 2025, the semiconductor industry continued to experience a softening demand and uncertainty due to macroeconomic factors and the geopolitical environment. In this environment, we have focused on operational excellence and cash flow generation. Given the conditions, we are actively managing and have taken corrective actions in our manufacturing capacity and spending to align with the forecasted demand. We intend to continue these actions during 2026.

We continue to implement cost-saving initiatives to be able to align our overall cost structure, capital investments and other expenditures with our expected revenue, spending and capacity levels to help offset softening demand and increased manufacturing and operating costs. We have taken, and continue to take actions, including but not limited to, exiting product lines that do not enhance gross margin or satisfy strategic objectives. We made meaningful progress in aligning internal manufacturing capacity and resources to external demand.

See Note 7: ''Restructuring, Asset Impairments and Other, net'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for information relating to our most recent cost-saving initiatives.

Results of Operations

Comparison of the years ended December 31, 2025 and 2024

A discussion of our results of operations for the year ended December 31, 2025 compared to December 31, 2024 is included below.

Operating Results

The following table summarizes certain information relating to our operating results that has been derived from our audited consolidated financial statements (in millions):

The following table summarizes certain information relating to our segment results (in millions):

(1)Gross profit margin as a percent of respective segment revenue balances

Revenue

Revenue was $5,995.4 million and $7,082.3 million for 2025 and 2024, respectively. The decrease from 2024 to 2025 of $1,086.9 million, or 15.3%, was attributable primarily to lower sales volumes across all reportable segments, which are further explained below. We had one customer, a distributor, whose revenue accounted for approximately 11% and 10% of the total revenue for the years ended December 31, 2025 and 2024, respectively, with sales across all reportable segments.

Revenue from PSG

Revenue from PSG decreased by $543.1 million, or approximately 16.2%, during 2025 compared to 2024. This was driven by a decrease in revenue of $438.0 million and $120.2 million in the automotive and industrial end-markets, respectively, which was partially offset by increased revenue of $15.1 million in other end-markets which include AI data centers.

Revenue from AMG

Revenue from AMG decreased by $347.2 million, or approximately 13.3%, during 2025 compared to 2024. This was driven by decreases in revenue of $204.1 million and $161.5 million in the automotive and other end-markets, respectively, which was partially offset by an increase of $18.4 million within the industrial end-market. The decrease in the other end-market primarily related to the reduction of manufacturing services revenue at our EFK location.

Revenue from ISG

Revenue from ISG decreased by $196.6 million, or approximately 17.5%, during 2025 compared to 2024. This was driven by decreases in revenue of $177.9 million and $24.2 million in the automotive and industrial end-markets respectively, which was partially offset by increased revenue of $5.5 million in other end-markets.

Revenue by Geographic Location

Revenue by geographic location, based on sales billed from the respective country or region, was as follows (dollars in millions):

(1)Certain of the amounts may not total due to rounding of individual amounts.

Gross Profit and Gross Margin

Gross profit was $1,983.9 million and $3,216.1 million for 2025 and 2024, respectively, representing a decrease of $1,232.2 million or approximately 38.3%. We recorded excess and obsolete inventory charges of $268.2 million, of which $230.3 million related to inventory primarily considered work in progress within the ISG reportable segment, as a result of changes in business strategy due to the 2025 Manufacturing Realignment Program. See Note 7: ''Restructuring, Asset Impairments and Other, net'' for additional information. We also continued to experience a decline in sales volume across end-markets.

Our gross margin decreased by 12.3 percentage points from 45.4% for the year ended December 31, 2024 to 33.1% for the year ended December 31, 2025, primarily due to the impact of the factors explained in the segment gross margin sections below.

PSG gross profit decreased by $696.9 million, primarily driven by the decline in sales volume in the automotive and industrial end-markets. Also contributing to the decrease in gross profit was the $43.9 million write-off of consumables and manufacturing supplies associated with the manufacturing capacity reduction actions taken under the 2025 Manufacturing Realignment Program. PSG gross margin decreased by 16.8 percentage points to 24.5% from 41.3%, primarily as a result of the decline in sales volume, underutilization of our manufacturing facilities, the related impact of unfavorable product mix, and the impact of the consumables and manufacturing supplies write-off discussed above.

AMG gross profit decreased by $149.8 million, primarily driven by the decline in sales volume in the automotive and industrial end-markets. AMG gross margin increased by 1.0 percentage point to 51.1% from 50.1%, primarily due to the reduction in the lower-margin manufacturing services revenue at our EFK location.

ISG gross profit decreased by $385.5 million, primarily driven by the $230.3 million excess and obsolete inventory charges discussed above. The decline in sales volume in the automotive and industrial end-markets also added to the decrease. ISG gross margin decreased 31.6 percentage points to 15.1% from 46.7%, primarily due to the excess and obsolete inventory charges resulting from certain strategy changes in connection with the 2025 Manufacturing Realignment Program.

Operating Expenses

Research and Development

Research and development expenses were $583.6 million and $612.7 million, or approximately 10% and 9% of revenue for 2025 and 2024, respectively, representing a decrease of $29.1 million, or approximately 5% year-over-year. The decrease was primarily due to a decrease in production supplies, outside services and payroll-related expenses as a result of the restructuring program.

Selling and Marketing

Selling and marketing expenses were $255.9 million and $273.5 million, or approximately 4% of revenue for both 2025 and 2024, representing a decrease of $17.6 million, or approximately 6% year-over-year. The decrease was primarily related to a decrease in payroll-related expenses as a result of the restructuring program.

General and Administrative

General and administrative expenses were $348.9 million and $376.3 million, or approximately 6% and 5% of revenue for 2025 and 2024, respectively, representing a decrease of $27.4 million, or approximately 7% year-over-year. The decrease was primarily due to a decrease in consulting fees and payroll-related expenses as a result of the restructuring program.

Other Operating Expenses

Amortization of Intangible Assets

Amortization of intangible assets was $44.4 million and $52.0 million for 2025 and 2024, respectively, representing a decrease of $7.6 million, or approximately 15%, year-over-year due to previously acquired assets becoming fully amortized during 2025.

Restructuring, Asset Impairments and Other Charges, net

Restructuring, asset impairments and other charges, net was $666.9 million and $133.9 million for 2025 and 2024, respectively, representing an increase of $533.0 million. Amounts incurred during 2025 primarily represent severance and asset impairment charges associated with the 2025 Manufacturing Realignment Program. Charges in 2024 related primarily to the 2024 business realignment efforts. For additional information, see Note 7: ''Restructuring, Asset Impairments and Other, net'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K.

Other Income and Expenses

Interest Expense

Interest expense increased by $8.6 million, or approximately 14%, to $70.9 million during 2025 compared to $62.3 million in 2024. Our average gross amount of long-term debt balance during 2025 and 2024 was $3,379.9 million and $3,379.9 million, respectively. Interest expense increased due to an increase in our average interest rate on our long-term debt. Our weighted average interest rate was 2.1% and 1.8% per annum in 2025 and 2024, respectively.

Interest income

Interest income decreased by $16.3 million, or approximately 15%, to $95.1 million during 2025 compared to $111.4 million in 2024, primarily attributable to lower interest rates on cash and cash equivalents and short-term investments.

Other income, net

Other income, net was $22.9 million and $20.6 million in 2025 and 2024, respectively. The increase was primarily driven by slightly higher dividend income in 2025.

Income Tax Provision

We recorded an income tax provision of $7.7 million and $262.8 million in 2025 and 2024, respectively, representing effective tax rates of 5.9% and 14.3%. The change in the effective tax rate was primarily driven by lower income before income taxes, which increased the rate impact of discrete items.

For additional information, see Note 16: ''Income Taxes'' in the notes to the audited consolidated financial statements included elsewhere in this Form 10-K.

Comparison of the years ended December 31, 2024 and 2023

A discussion of our results of operations for the year ended December 31, 2024 compared to December 31, 2023 is included below.

Operating Results

The following table summarizes certain information relating to our operating results that has been derived from our audited consolidated financial statements (in millions):

The following table summarizes certain information relating to our segment results (in millions):

(1)Gross profit margin as a percent of respective segment revenue balances.

Revenue

Revenue was $7,082.3 million and $8,253.0 million for 2024 and 2023, respectively. The decrease from 2023 to 2024 of $1,170.7 million, or 14.2%, was attributable primarily to lower sales volumes across all segments, which are further explained below. We had one customer, a distributor, whose revenue accounted for approximately 10% of our total revenue for the year ended December 31, 2024, with sales across all reportable segments. There was no customer whose revenue exceeded 10% of total revenue for the year ended December 31, 2023.

Revenue from PSG

Revenue from PSG decreased by $532.2 million, or approximately 13.7%, during 2024 compared to 2023. This was driven by a decrease in revenue of $168.3 million, $267.7 million and $96.2 million in the automotive, industrial and other end-markets, respectively.

Revenue from AMG

Revenue from AMG decreased by $448.0 million, or approximately 14.7%, during 2024 compared to 2023. This was driven by a decrease in revenue of $182.3 million, $119.7 million and $146.0 million in the automotive, industrial and other end-markets, respectively. The decrease in the other end-market primarily relates to the reduction of manufacturing services revenue at our EFK location.

Revenue from ISG

Revenue from ISG decreased by $190.5 million, or approximately 14.5%, during 2024 compared to 2023. This was driven by a decrease in revenue of $68.5 million, $90.2 million and $31.8 million in the automotive, industrial and other end-markets, respectively.

Revenue by Geographic Location

Revenue by geographic location, based on sales billed from the respective country or region, was as follows (dollars in millions):

(1)Certain of the amounts may not total due to rounding of individual amounts.

Gross Profit and Gross Margin

Gross profit was $3,216.1 million and $3,883.5 million for 2024 and 2023, respectively, representing a decrease of $667.4 million or approximately 17.2%.

Our gross margin decreased by 1.7 percentage points from 47.1% for the year ended December 31, 2023 to 45.4% for the year ended December 31, 2024, primarily due to the impact of the factors explained in the segment gross margin sections below.

PSG gross profit decreased by $437.5 million, primarily driven by the decline in sales volume in the automotive and industrial end-markets. PSG gross margin decreased by 5.7 percentage points to 41.3% from 47.0%, primarily as a result of the decline in volume, underutilization of our manufacturing facilities, and the related impact of unfavorable product mix.

AMG gross profit decreased by $115.0 million, primarily driven by the decline in sales volume in the automotive, industrial, and other end-markets. AMG gross margin increased by 3.6 percentage points to 50.1% from 46.5%, primarily due to the reduction in the lower-margin manufacturing services revenue at our EFK location.

ISG gross profit decreased by $114.9 million, primarily driven by the decline in sales volume in the automotive and industrial end-markets. ISG gross margin decreased 2.0 percentage points to 46.7% from 48.7%, primarily driven by lower sales volumes and the related impact of unfavorable product mix.

Operating Expenses

Research and Development

Research and development expenses were $612.7 million and $577.3 million, or approximately 9% and 7% of revenue for 2024 and 2023, respectively, representing an increase of $35.4 million, or approximately 6% year-over-year. The increase was primarily due to an increase in payroll-related expenses and production supplies, partially offset by a decrease in variable compensation.

Selling and Marketing

Selling and marketing expenses were $273.5 million and $279.1 million, or approximately 4% and 3% of revenue for 2024 and 2023, respectively, representing a decrease of $5.6 million, or approximately 2% year-over-year. The decrease was primarily related to a decrease in sales commissions and variable compensation.

General and Administrative

General and administrative expenses were $376.3 million and $362.4 million, or approximately 5% and 4% of revenue for 2024 and 2023, respectively, representing an increase of $13.9 million, or approximately 4% year-over-year. The increase was primarily due to increased consulting fees associated with information technology initiatives partially offset by a decrease in the bad debt provision with a strategic business partner which was recorded in the prior year.

Other Operating Expenses

Amortization of Intangible Assets

Amortization of acquisition-related intangible assets was $52.0 million and $51.1 million for 2024 and 2023, respectively, representing an increase of $0.9 million, or approximately 2%, year-over-year. Expenses were consistent between periods as there were no significant acquisitions or divestitures.

Restructuring, Asset Impairments and Other Charges, net

Restructuring, asset impairments and other charges, net was $133.9 million and $74.9 million for 2024 and 2023, respectively, representing an increase of $59.0 million. Amounts incurred during 2024 primarily represent severance and asset impairment charges associated with the 2024 business realignment efforts. Charges in 2023 related primarily to the business realignment efforts during 2023. For additional information, see Note 7: ''Restructuring, Asset Impairments and Other Charges, net'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K.

Other Income and Expenses

Interest Expense

Interest expense decreased by $12.5 million, or approximately 17%, to $62.3 million during 2024 compared to $74.8 million in 2023. The decrease was primarily due to the pay down of higher variable-rate debt and replacement by the 0.50% Notes in 2023. Our average gross amount of long-term debt balance (including current maturities) during 2024 and 2023 was $3,379.9 million and $3,304.1 million, respectively. Our weighted average interest rate on our gross amount of long-term debt (including current maturities) was 1.8% and 2.3% per annum in 2024 and 2023, respectively.

Interest income

Interest income increased by $18.3 million, or approximately 20%, to $111.4 million during 2024 compared to $93.1 million in 2023, primarily due to higher interest rates and increased balances in interest-bearing accounts.

See "Key Financing and Capital Events" below and Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for a description of our indebtedness and our refinancing activities.

Loss on Debt Refinancing and Prepayment

There were no debt refinancing or prepayment transactions during 2024. We recorded a loss on debt refinancing and prepayment of $13.3 million during 2023 due to the write-off relating to the repayment of the Term Loan "B" Facility. See "Key Financing and Capital Events" below and Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for a description of our indebtedness and our refinancing activities.

Other income (expense), net

Other income (expense), net was income of $20.6 million in 2024, compared to expense of $7.2 million in 2023. We received $9.5 million of dividend income in 2024 with no corresponding amounts in 2023. Actuarial gains on pension plans were $12.2 million in 2024 compared to losses of $4.0 million during 2023 and fluctuations in foreign currencies resulting in increased transaction gains.

Income Tax Provision

We recorded an income tax provision of $262.8 million and $350.2 million in 2024 and 2023, respectively, representing effective tax rates of 14.3% and 13.8%.

For additional information, see Note 16: ''Income Taxes'' in the notes to the audited consolidated financial statements included elsewhere in this Form 10-K.

Liquidity and Capital Resources

Overview

Our principal sources of liquidity are cash on hand, cash generated from operations, available borrowings under our Revolving Credit Facility as well as new debt and/or equity issuances. In the near term, we expect to fund our cash requirements by utilizing any or a combination of these principal sources. Our cash and cash equivalents and short-term investments were approximately $2,147.6 million and $400.0 million, respectively, as of December 31, 2025 and our Revolving Credit Facility had approximately $1.5 billion available for future borrowings as of December 31, 2025.

We require cash to: (i) fund our operating expenses, working capital requirements, outlays for strategic acquisitions and investments; (ii) service our debt, including principal and interest; (iii) incur capital expenditures; and (iv) repurchase our common stock. During the ordinary course of business, we evaluate our cash requirements and, if necessary, adjust our expenditures to reflect the current market conditions and our projected sales and demand. Future capital expenditures may be impacted by events and transactions that are not currently forecasted.

We believe that the key factors that could adversely affect our internal and external sources of cash include:

• changes in demand for our products, competitive pricing pressures, supply chain constraints, effective management of our manufacturing capacity, our ability to achieve further reductions in operating expenses, our ability to make progress on the achievement of our business strategy and sustainability goals, the impact of our restructuring programs on our production and cost efficiency and our ability to make the research and development expenditures required to remain competitive in our business; and

• the debt and equity capital markets could impact our ability to obtain needed financing on acceptable terms or to respond to business opportunities and developments as they arise, including interest rate fluctuations, macroeconomic conditions, sudden reductions in the general availability of lending from banks or the related increase in cost to obtain bank financing and our ability to maintain compliance with covenants under our debt agreements in effect from time to time.

Sources and Uses of Cash

The following are the significant sources and uses of cash during 2025:

• Cash flows from operating activities of $1,759.8 million.

• Payments for property, plant & equipment of $341.2 million.

• Repurchases of approximately 27.9 million shares of common stock for an aggregate purchase price of approximately $1,375 million under the Share Repurchase Program.

• Repayment of $375.0 million of borrowings on the Revolving Credit Facility.

Operating Activities

Our long-term cash generation is dependent on our ability to generate cash from our operations. Our cash flows from operating activities were $1,759.8 million, $1,906.4 million and $1,977.5 million for the years ended December 31, 2025, 2024 and 2023, respectively. Our operating cash flows for the year ended December 31, 2025 decreased by $146.6 million, or 7.7%, compared to the year ended December 31, 2024 and was primarily attributable to a reduction in net income driven by lower end-market demand for our products partially offset by the timing of cash receipts and payments related to working capital balances.

Our ability to maintain positive operating cash flows is dependent on, among other factors, our success in achieving our revenue goals and meeting manufacturing and operating cost targets. Management of our assets and liabilities, including both working capital and long-term assets and liabilities, also influences our operating cash flows.

Investing Activities

Our cash flows used in investing activities were $538.5 million, $1,009.8 million and $1,737.9 million for the years ended December 31, 2025, 2024, and 2023, respectively. The decrease of $471.3 million for the year ended December 31, 2025 compared to the year ended December 31, 2024 was primarily attributable to a significant decrease in capital expenditures, the net impact of purchases and maturities of short-term investments. During the years ended December 31, 2025, 2024, and 2023, we paid $341.2 million, $694.0 million and $1,539.1 million, respectively, for capital expenditures. Cash paid towards capital expenditures as a percent of revenue for the years ended December 31, 2025, 2024, and 2023 was approximately 6%, 10%, and 19%, respectively. In 2026, based on current plans, we expect capital expenditures to be approximately 5% of revenue.

Financing Activities

Our cash flows used in financing activities were $1,763.8 million, $683.8 million and $686.5 million for the years ended December 31, 2025, 2024 and 2023, respectively. We used cash to repay $375.0 million of borrowings on the Revolving Credit Facility and for share repurchases of $1,377.6 million for the year ended December 31, 2025 compared to $654.1 million in 2024.

In November 2025, the Board of Directors approved a New Share Repurchase Program under which the Company may repurchase up to an aggregate of $6.0 billion of the Company's common stock (exclusive of fees, commissions and other expenses). Under the New Share Repurchase Program, which does not require the Company to purchase any minimum amount of common stock or at all, the Company may repurchase shares from January 1, 2026 through December 31, 2028.

Through February 4, 2026, we acquired 2.9 million shares for $175.6 million under the New Share Repurchase Program, subject to a 10b5-1 trading arrangement. We expect to continue to opportunistically repurchase our shares of common stock under our New Share Repurchase Program subject to market conditions, the price of our shares and other factors (including liquidity needs). The New Share Repurchase Program may be modified, suspended or terminated by the Board of Directors at any time without prior notice.

See Part I, Item 1A "Risk Factors" included elsewhere in this Form 10-K for additional information related to liquidity matters.

Debt

As of December 31, 2025, we were in compliance with the indentures relating to our 0% Notes, 0.50% Notes and 3.875% Notes and with the financial covenants included in the Credit Agreement. The 0% Notes, 0.50% Notes and 3.875% Notes are senior to the existing and future subordinated indebtedness of onsemi and its guarantor subsidiaries, rank equally in right of payment to all of our existing and future senior debt and, as unsecured obligations, are subordinated to all of our existing and future secured debt to the extent of the assets securing such debt. Failure to comply with any of our covenants or any other terms of our Credit Agreement could result in higher interest rates in our borrowings or the acceleration of the maturities of our outstanding debt. In order to remain in compliance with the various financial covenants contained in our debt agreements and to fund working capital, our capital expenditures and business development efforts will depend on our ability to generate cash from operating activities, which is subject to, among other things, our future operating performance, as well as financial, competitive, legislative, regulatory and other conditions, some of which may be beyond our control.

As of December 31, 2025, there was outstanding $804.9 million aggregate principal amount of the 0% Notes, $1,500.0 million aggregate principal amount of the 0.50% Notes and $700.0 million aggregate principal amount of 3.875% Notes. As noted above, we repaid $375.0 million for borrowings on the Revolving Credit Facility during 2025 and had approximately $1.5 billion available for future borrowings as of December 31, 2025. The associated interest expense related to our indebtedness will continue to have a significant impact on our results of operations.

See Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for additional information.

Key Financing and Capital Events

Overview

We continually evaluate our debt and capital structure and, when appropriate, we have completed various measures to secure liquidity, repurchase shares of our common stock, reduce interest costs, amend or replace existing key financing arrangements and, in some cases, extend a portion of our debt maturities to continue to provide us additional operating flexibility.

2025 Financing Events

• Repayment of $375.0 million of borrowings on the Revolving Credit Facility.

• Repurchases of approximately 27.9 million shares of common stock for an aggregate purchase price of approximately $1,375 million, excluding fees, commissions, and excise tax, under the Share Repurchase Program.

2024 Financing Events

• Repurchases of approximately 9.1 million shares of common stock for an aggregate purchase price of approximately $650 million under the Share Repurchase Program.

2023 Financing Events

• Issuance of $1.5 billion of 0.50% Notes on February 28, 2023, the net proceeds of which were used to repay $1,086.0 million of the existing indebtedness under the Term Loan "B" Facility, the related transaction fees and expenses and to pay approximately $171.5 million net cost of the related convertible note hedges.

• Entering into a new Credit Agreement consisting of a $1.5 billion Revolving Credit Facility and draw-down of $375.0 million to repay the entire outstanding balance under the Revolver due 2024 in the second quarter of 2023.

• Repurchases of approximately 7.6 million shares of common stock for an aggregate purchase price of approximately $564 million under the Share Repurchase Program.

• Repayment of the 1.625% Notes amounting to $119.6 million in cash upon maturity and issuance of approximately 4.5 million shares of common stock to settle the excess over the principal.

See Note 9: ''Long-Term Debt'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K for additional information.

Critical Accounting Policies and Estimates

The accompanying discussion and analysis of our financial condition and results of operations is based upon our audited consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States. We believe certain of our accounting policies are critical to understanding our financial position and results of operations. We utilize the following critical accounting policies in the preparation of our financial statements. In addition to our critical accounting policies below, see Note 2: ''Significant Accounting Policies'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K.

Use of Estimates. The preparation of financial statements in accordance with GAAP requires us to make estimates and assumptions that affect the reported amount of assets and liabilities at the date of the financial statements and the reported amount of revenue and expenses during the reporting period. We evaluate these estimates and judgments on an ongoing basis and base our estimates on experience, current and expected future conditions, third-party evaluations and various other assumptions that we believe are reasonable under the circumstances. Significant estimates have been used by management in conjunction with the following: (i) calculation of future payouts for customer incentives and amounts subject to allowances and returns; (ii) valuation and obsolescence relating to inventories; (iii) measurement of valuation allowances against deferred tax assets, and evaluations of uncertain tax positions; (iv) assumptions used in business combinations and the valuation of assets held-for-sale; and (v) testing for impairment of long-lived assets and goodwill. Actual results may differ from the estimates and assumptions used in the consolidated financial statements.

Revenue Recognition**.** We generate revenue from sales of our semiconductor products to direct customers and distributors. We also generate revenue, to a much lesser extent, from product development agreements and manufacturing services provided to customers. We apply a five-step approach in determining the amount and timing of revenue to be recognized: (i) identifying the contract with a customer; (ii) identifying the performance obligations in the contract; (iii) determining the transaction price; (iv) allocating the transaction price to the performance obligations in the contract; and (v) recognizing revenue when the performance obligation is satisfied. We allocate the transaction price to each distinct product based on its relative stand-alone selling price. In determining the transaction price, we evaluate whether the price is subject to refund or adjustment to determine the net consideration to which we expect to be entitled.

We recognize revenue when we satisfy a performance obligation in an amount reflecting the consideration to which we expect to be entitled. Substantially all of our revenue is recognized at the time control of the products transfers to the customer. For sales agreements, we have identified the promise to transfer products, each of which is distinct, to be the performance obligation. For product development agreements, we have identified the completion of a service defined in the agreement to be the performance obligation. We recognize revenue from manufacturing services when we satisfy the performance obligation by transferring the promised goods or services to the customer. Depending on the terms of the applicable contractual agreement with the customer, revenue is recognized at the point in time when the customer obtains control of the promised goods or service, or over time when the created asset has no alternate use to us and there is an enforceable right to payment for the performance to date.

Sales to certain distributors, primarily those with ship and credit rights, can be subject to price adjustment on certain products. We develop an estimate of their expected claims under the ship and credit program based on the historical claims data submitted by product and customer and expected future claims, which requires the use of estimates and assumptions related to the amount of each claim as well as the historical period used to develop the estimate. Although payment terms vary, most distributor agreements require payment within 30 days.

Our direct customers do not have the right to return products other than pursuant to the provisions of our standard warranty. Sales to distributors, however, are typically made pursuant to agreements that provide return rights and stock rotation provisions permitting limited levels of product returns. Provisions for discounts and rebates to customers, estimated returns and allowances, ship and credit claims and other adjustments are provided for in the same period the related revenue is recognized, and are netted against revenue. For non-quality related returns, we recognize a related asset for the right to recover returned products with a corresponding reduction to cost of goods sold. Payment terms for direct customers generally require payment within 30 days but can extend up to 90 days. We record a reserve for cash discounts as a reduction to accounts receivable and a reduction to revenue, based on the experience with each customer.

Inventories**.** We carry our inventories at the lower of standard cost (which approximates actual cost on a first-in, first-out basis) or net realizable value and record provisions for potential excess and obsolete inventories based upon a regular analysis of inventory on hand compared to historical and projected end-user demand. The determination of projected end‑user demand requires updated assumptions regarding customer requirements, market conditions, product transition plans, projected unit sales, and impacts from restructuring‑related strategic changes. These provisions can influence our results from operations. For example, when demand falls for a given part, all or a portion of the related inventory that is considered to be in excess of anticipated demand is reserved, impacting our cost of revenue and gross profit. The majority of product inventory that has been previously reserved is ultimately discarded. Although we do sell some products that have previously been written down, such sales have historically been consistently insignificant and the related impact on our margins has also been insignificant.

Income Taxes. Income taxes are accounted for using the asset and liability method. Under this method, deferred income tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which these temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. A valuation allowance is provided for those deferred tax assets for which we cannot conclude that it is more likely than not that such deferred tax assets will be realized.

In determining the amount of the valuation allowance, estimated future taxable income, feasible tax planning strategies, future reversals of existing temporary differences and taxable income in prior carryback years, if a carryback is permitted, are considered. If we determine it is more likely than not that all or a portion of the remaining deferred tax assets will not be realized, the valuation allowance will be increased with a charge to income tax expense. Conversely, if we determine it is more likely than not to be able to utilize all or a portion of the deferred tax assets for which a valuation allowance has been provided, the related portion of the valuation allowance will be recorded as a reduction to income tax expense.

We recognize and measure benefits for uncertain tax positions using a two-step approach. The first step is to evaluate the tax position taken or expected to be taken in a tax return by determining if the weight of available evidence indicates that it is more likely than not that the tax positions will be sustained upon audit, including resolution of any related appeals or litigation processes. For tax positions that are more likely than not to be sustained upon audit, the second step is to measure the tax benefit as the largest amount that is more than 50% likely to be realized upon settlement. No tax benefit is recognized for tax positions that are not more likely than not to be sustained. Our practice is to recognize interest and/or penalties related to income tax matters in income tax expense. Significant judgment is required to evaluate uncertain tax positions. Evaluations are based upon a number of factors, including changes in facts or circumstances, changes in tax law, correspondence with tax authorities during the course of tax audits and effective settlement of audit issues. Changes in the recognition or measurement

of uncertain tax positions could result in material increases or decreases in income tax expense in the period in which the change is made, which could have a material impact on our effective tax rate.

Business Combinations. We use estimates and assumptions in allocating the purchase price of acquired businesses by utilizing established valuation techniques appropriate for the technology industry to record the acquired assets and liabilities at fair value. We utilize the income approach, cost approach or market approach, depending upon which approach is the most appropriate based on the nature and reliability of available data. If the income approach is used, the fair value determination is predicated upon the value of the future cash flows that an asset is expected to generate over its economic life and involves significant assumptions as to cash flows, associated expenses, long-term growth rates and discount rates. The cost approach takes into account the cost to replace (or reproduce) the asset and involves assumptions relating to the asset's value of physical, functional and/or economic obsolescence that has occurred with respect to the asset. The market approach is used to estimate value from an analysis of actual transactions or offerings for economically comparable assets available as of the valuation date. Determining the fair value of acquired technology assets is judgmental in nature and requires the use of significant estimates and assumptions, including the discount rate, revenue growth rates, projected gross margins, and estimated research and development expenses.

Impairment of Goodwill and Long-Lived Assets:

Goodwill

We evaluate our goodwill for potential impairment annually during the fourth quarter and whenever events or changes in circumstances indicate the carrying value of goodwill may not be recoverable. Our impairment evaluation consists of a qualitative assessment, and if deemed necessary, a quantitative test is performed which compares the fair value of a reporting unit with its carrying amount, including goodwill.

Determining the fair value of our reporting units is subjective in nature and involves the use of significant estimates and assumptions, including projected net cash flows, discount and long-term growth rates. We determine the fair value of our reporting units based on an income approach, whereby the fair value of the reporting unit is derived from the present value of estimated future cash flows. The assumptions about estimated cash flows include factors such as future revenue, gross profit, operating expenses, and industry trends. We consider historical rates and current market conditions when determining the discount and long-term growth rates to use in our analysis. We consider other valuation methods, such as the cost approach or market approach, if it is determined that these methods provide a more representative approximation of fair value.

Long-Lived Assets Held and Used

We evaluate the recoverability of the carrying amount of long-lived assets whenever events or changes in circumstances indicate that the carrying value of an asset group may not be fully recoverable. For assets to be held and used, we group a long-lived asset or assets with other assets and liabilities at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. Estimates of future cash flows used to test the recoverability of a long-lived asset group include only the future cash flows that are directly associated with and that are expected to arise as a direct result of the use and eventual disposition of the asset group. A potential impairment charge is evaluated when the undiscounted expected cash flows derived from an asset group are less than its carrying amount. Impairment losses, if applicable, are measured as the amount by which the carrying value of an asset group exceeds its fair value. Judgment is used when applying these impairment rules to determine the timing of the impairment test, the undiscounted cash flows used to assess impairments and the fair value of the asset group.

Assets Held-for-Sale

We classify assets as held-for-sale in the period when all of the following conditions are met: (i) management, having the authority to approve the action, commits to a plan to sell the assets; (ii) the assets are available for immediate sale in their present condition subject only to terms that are usual and customary for sales of such assets; (iii) an active program to locate a buyer and other actions required to complete the plan to sell the assets have been initiated; (iv) the sale of the assets is probable, and transfer of the assets is expected to qualify for recognition as a completed sale within one year, except if events or circumstances beyond our control extend the period of time required to sell the assets beyond one year; (v) the assets are being actively marketed for sale at a price that is reasonable in relation to their current fair value; and (vi) actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn. The Company evaluates the probability of sale within one year, considering current market conditions for semiconductor equipment and the status of active marketing efforts. If disposal does not occur within 12 months, the Company reassesses whether delays are caused by factors outside its control.

The assets that are classified as held-for-sale are initially measured at the lower of their carrying value or fair value less any costs to sell. The determination of the fair value less costs to sell may require management to make judgments on significant estimates and assumptions including, but not limited to, indicative sales values, current market conditions and available data for transactions for similar assets. We may use third-party valuation specialists to assist in the determination of such estimates. Any impairment loss resulting from this measurement is recorded in Restructuring, asset impairments and other, net on the Consolidated Statements of Operations and the assets held-for-sale are recorded as a separate line within the Consolidated Balance Sheets. Gains or losses are not recognized on assets held-for-sale until the sale date, when control transfers to the counterparty.

Contingencies**.** We are involved in a variety of legal matters that arise in the normal course of business. Based on the available information, we evaluate the relevant range and likelihood of potential outcomes and we record the appropriate liability when the amount is deemed probable and reasonably estimable.

Recent Accounting Pronouncements

For a discussion of recent accounting pronouncements, see Note 4: ''Recent Accounting Pronouncements and Other Developments'' in the notes to our audited consolidated financial statements included elsewhere in this Form 10-K.

We are exposed to financial market risks, including changes in interest rates and foreign currency exchange rates. To mitigate these risks, we utilize derivative financial instruments. We do not use derivative financial instruments for speculative or trading purposes.

As of December 31, 2025, our gross long-term debt totaled $3,004.9 million. We have no interest rate exposure to rate changes on our fixed rate debt, which totaled $3,004.9 million. We would have interest rate exposure with respect to our Revolving Credit Facility, however, there were no borrowings outstanding on the Revolving Credit Facility as of December 31, 2025. If we had not repaid the outstanding balance on the Revolving Credit Facility on December 31, 2025, we estimate a 50-basis point increase in interest rates would have impacted our expected annual interest expense for the next 12 months by approximately $1.9 million.

To ensure the adequacy and effectiveness of our foreign exchange hedge positions, we continually monitor our foreign exchange forward positions. However, given the inherent limitations of forecasting and the anticipatory nature of exposures intended to be hedged, we cannot provide any assurances that such programs will offset more than a portion of the adverse financial impact resulting from unfavorable movements in foreign exchange rates.

We are subject to risks associated with transactions that are denominated in currencies other than our functional currencies, as well as the effects of translating amounts denominated in a foreign currency to the U.S. dollar as a normal part of the reporting process. Some of our Japanese operations utilize Japanese yen as the functional currency, which results in a translation adjustment that is included as a component of accumulated other comprehensive income.

We enter into forward foreign currency contracts that economically hedge the gains and losses generated by the re-measurement of certain recorded assets and liabilities in a non-functional currency. Changes in the fair value of these undesignated hedges are recognized in other income and expense immediately as an offset to the changes in the fair value of the assets or liabilities being hedged. The notional amount of foreign exchange contracts at December 31, 2025 and 2024 was $190.5 million and $256.8 million, respectively.

Substantially all of our revenue is transacted in U.S. dollars. However, a significant amount of our operating expenditures and capital purchases are transacted in local currencies, including Chinese renminbi, Czech koruna, euro, Japanese yen, Korean won, Malaysian ringgit, Philippine peso and Vietnamese dong. Due to the materiality of our transactions in these local currencies, our results are impacted by changes in currency exchange rates measured against the U.S. dollar. For example, we determined that based on a hypothetical weighted-average change of 10% in currency exchange rates, our operating income would have impacted our income before taxes by approximately $102.3 million for the year ended December 31, 2025, assuming no offsetting hedge position or correlated activities.

See Note 15: ''Financial Instruments'' in the notes to the audited consolidated financial statements included elsewhere in this Form 10-K for further information with respect to our hedging activity.

Our consolidated Financial Statements listed in the index appearing under Part IV, Item 15(a)(1) of this Form 10-K and the Financial Statement Schedule listed in the index appearing under Part IV, Item 15(a)(2) of this Form 10-K are filed as part of this Form 10-K and are incorporated herein by reference in this Item 8.

None.

Evaluation of Disclosure Controls and Procedures.

We carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act). Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of the end of the period covered in this Form 10-K, our disclosure controls and procedures were effective to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act are recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to our management, including the principal executive officer and principal financial officer, to allow timely decisions regarding disclosure.

Changes in Internal Control Over Financial Reporting.

We also carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of changes to our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act) that occurred during the fiscal quarter ended December 31, 2025.

There have been no changes to our internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) that occurred during the fiscal quarter ended December 31, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Management's Report on Internal Control Over Financial Reporting.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)). Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies and procedures may deteriorate.

Our management assessed the effectiveness of our internal control over financial reporting as of December 31, 2025. In making this assessment, we used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control—Integrated Framework 2013. Based on this assessment, management has concluded that our internal control over financial reporting was effective as of December 31, 2025.

The effectiveness of our internal control over financial reporting as of December 31, 2025 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report which appears in "Exhibits and Financial Statement Schedules" of this Form 10-K.

Insider Trading Arrangements

During the quarter ended December 31, 2025, none of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement" (as those terms are defined in Item 408 of Regulation S-K), except as follows:

• Thad Trent, our Executive Vice President and Chief Financial Officer, adopted a Rule 10b5-1 trading arrangement on November 7, 2025. Under this arrangement, a total of 150,000 shares of our common stock may be sold, subject to certain conditions, before the plan expires on December 31, 2026.

The above arrangements are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act.

Not applicable.

PART III

The information under the heading "Information about Our Executive Officers" in this Form 10-K is incorporated by reference into this section. Information concerning directors and persons nominated to become directors and executive officers is incorporated by reference from the text under the captions "The Board of Directors and Corporate Governance" and "Miscellaneous Information" in our Proxy Statement to be filed pursuant to Regulation 14A within 120 days after our fiscal year ended December 31, 2025 in connection with our 2026 Annual Meeting of Stockholders ("Proxy Statement").

Insider Trading Policy

Information regarding our insider trading policy is incorporated by reference from the text under the caption "Insider Trading Policy" in our Proxy Statement.

Code of Business Conduct

Information concerning our Code of Business Conduct is incorporated by reference from the text under the caption "The Board of Directors and Corporate Governance" in our Proxy Statement.

Information concerning executive compensation is incorporated by reference from the text under the captions "The Board of Directors and Corporate Governance — 2025 Compensation of Directors" and "Compensation of Executive Officers" (excluding the information under the subheading “2025 Pay versus Performance”) in our Proxy Statement.

The information incorporated by reference under the caption "Compensation of Executive Officers — Compensation Committee Report" in our Proxy Statement shall be deemed furnished, and not filed, in this Form 10-K and shall not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act as a result of this furnishing, except to the extent that we specifically incorporate it by reference.

Information concerning security ownership of certain beneficial owners and management is incorporated by reference from the text under the captions "Stock Ownership — Principal Stockholders," "Stock Ownership — Share Ownership of Directors and Executive Officers" and "Stock Ownership — Equity Compensation Plan Information" in our Proxy Statement.

Information concerning certain relationships and related transactions involving us and certain others is incorporated by reference from the text under the caption "The Board of Directors and Corporate Governance" in our Proxy Statement.

Information concerning principal accounting fees and services is incorporated by reference from the text under the caption "Audit Committee Matters" in our Proxy Statement.

PART IV

All other schedules are omitted because they are not applicable or the required information is shown in the financial statements or related notes.

EXHIBIT INDEX*