Corning 10-Q 2025-09-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

For the quarterly period ended September 30, 2025

OR

For the transition period from ____________________________ To ____________________________

Commission file number: 1-3247

CORNING INCORPORATED

(Exact name of registrant as specified in its charter)

607-974-9000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

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.

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).

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 an 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 pursuant to Section 13(a) of the Exchange Act. ☐

If securities are registered pursuant to Section 12(b) of the Exchange 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).

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

INDEX

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Corning Incorporated and its consolidated subsidiaries are hereinafter sometimes referred to as the “Company,” the “Registrant,” “Corning,” “we,” “our,” or “us.”

This report contains forward-looking statements that involve a number of risks and uncertainties. These statements relate to plans, objectives, expectations and estimates and may contain words such as “will,” “believe,” “anticipate,” “expect,” “intend,” “plan,” “seek,” “see,” “would,” “target,” “estimate,” “forecast,” or similar expressions. Actual results could differ materially from what is expressed or forecasted in forward-looking statements. Some of the factors that could contribute to these differences include those discussed under “Forward-Looking Statements,” “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and elsewhere in this report.

ORGANIZATION OF INFORMATION

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) was prepared to provide a historical and prospective narrative on our financial condition and results of operations through the eyes of management and should be read in conjunction with our consolidated financial statements and the accompanying notes to those financial statements and our MD&A of our Annual Report on Form 10-K for the year ended December 31, 2024 (“2024 Form 10-K”).

Our MD&A is organized as follows:

• Overview

• Results of Operations

• Segment Analysis

• Core Performance Measures

• Liquidity and Capital Resources

• Environment

• Critical Accounting Estimates

• Forward-Looking Statements

OVERVIEW

Corning is vital to progress – in the industries we help advance and in the world we share. For more than 170 years, Corning has combined its unparalleled expertise in glass science, ceramic science and optical physics with deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people’s lives. Our materials science and manufacturing expertise, boundless curiosity and commitment to purposeful invention place us at the center of the way the world works, learns and lives. In addition, our sustained investment in research, development and engineering capabilities means we are always ready to solve the toughest challenges – alongside our customers.

Our capabilities are versatile and synergistic, allowing Corning to evolve to meet changing market needs, while also helping customers capture new opportunities in dynamic industries. Corning strives to be a catalyst for positive change and to help move the world forward. The Company drives profitable multiyear growth by inventing, making and selling life-changing products – all of which is based on a set of vital capabilities that are increasingly relevant to profound transformations that touch many facets of daily life. Today, Corning’s markets include optical communications, mobile consumer electronics, display, automotive, solar, semiconductor and life sciences.

2025 Corporate Outlook

We expect core net sales of approximately $4.35 billion for the fourth quarter of 2025.

RESULTS OF OPERATIONS

The following table presents selected highlights from our operations (in millions):

*Not meaningful

Net sales

For the three months ended September 30, 2025, net sales increased $709 million, or 21% when compared to the same period in 2024. This was primarily driven by an increase in sales for optical communication products of $406 million, polycrystalline silicon products of $91 million, specialty materials products of $74 million and display products of $66 million.

For the nine months ended September 30, 2025, net sales increased $1.8 billion, or 19% when compared to the same period in 2024. This was primarily driven by an increase in sales for optical communication products of $1.3 billion, specialty materials products of $164 million, display products of $159 million and polycrystalline silicon products of $105 million.

Cost of sales / Gross margin

The types of expenses included in cost of sales are: raw materials consumption, including direct and indirect materials; salaries, wages and benefits; depreciation and amortization; productio

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As noted in the 2024 Form 10-K, we operate and conduct business in many foreign countries and as a result are exposed to movements in foreign currency exchange rates. Our exposure to exchange rates has the following effects:

• Exchange rate movements on financial instruments and transactions denominated in foreign currencies that impact earnings; and

• Exchange rate movements upon conversion of net assets and net income of foreign subsidiaries for which the functional currency is not the U.S. dollar.

For a discussion of the Company’s exposure to market risk and how we mitigate that risk, refer to Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risks, contained in the 2024 Form 10-K.

Disclosure Controls and Procedures

Under the supervision of and with the participation of Corning’s management, including the chief executive officer and chief financial officer, we evaluated the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended), as of September 30, 2025, the end of the period covered by this report. Based on that evaluation, we have concluded that the Company’s disclosure controls and procedures were effective as of that date. Corning’s disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by Corning in the reports that it files or submits under the Exchange Act is accumulated and communicated to Corning’s management, including Corning’s principal executive and principal financial officers, or other persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Internal Control Over Financial Reporting

An evaluation of internal controls over financial reporting was performed to determine whether any changes have occurred during the period covered by this report that have materially affected, or are reasonably likely to materially affect, the internal control over financial reporting. The chief executive officer and chief financial officer concluded that there was no change in Corning’s internal control over financial reporting that materially affected, or is reasonably likely to materially affect, internal control over financial reporting.

PART II

Corning is a defendant in various lawsuits and is subject to various claims that arise in the normal course of business, the most significant of which are summarized in Note 10 (Commitments and Contingencies) in the accompanying notes to the consolidated financial statements. In the opinion of management, the likelihood that the ultimate disposition of these matters will have a material adverse effect on the Company’s consolidated financial position, liquidity or results of operations, is remote.

In addition to other information set forth in this report, you should carefully consider the factors discussed in Part I, Item 1A. Risk Factors in Corning’s 2024 Form 10-K, which could materially impact the Company’s business, financial condition or future results. Risks disclosed in the 2024 Form 10-K are not the only risks facing the Company. Additional risks and uncertainties not currently known to us or that we currently deem immaterial may materially adversely impact Corning’s business, financial condition or operating results.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

This table provides information about purchases of common stock during the third quarter of 2025:

Issuer Purchases of Equity Securities

(1)This column reflects: (i) 201,648 shares of common stock related to the vesting of employee restricted stock units; (ii) 52,870 shares of common stock related to the vesting of employee restricted stock; (iii) 8,103 shares of common stock related to the vesting of employee performance stock units; (iv) 322 shares of common stock related to the exercise of employee stock options and payment of the exercise price; and (v) the purchase of 373,972 shares of common stock under the 2019 Repurchase Program.

(2)Represents the stock price at the time of surrender and includes costs associated with the repurchase.

During the three months ended September 30, 2025, none of our Section 16 reporting persons adopted, modified or terminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any non-Rule 10b5-1 trading arrangement.

Signatures

Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.