Pfizer 10-Q 2026-03-29

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 29, 2026

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13

OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______ to _______

COMMISSION FILE NUMBER 1-3619

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PFIZER INC.

(Exact name of registrant as specified in its charter)

66 Hudson Boulevard East, New York, New York 10001-2192

(Address of principal executive offices) (zip code)

(212) 733-2323

(Registrant’s telephone number including area code)

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:

Large Accelerated filer x Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

At April 29, 2026, 5,699,444,169 shares of the issuer’s voting common stock were outstanding.

Unless the context requires otherwise, references to “Pfizer,” “the Company,” “we,” “us” or “our” in this Form 10-Q (defined below) refer to Pfizer Inc. and its subsidiaries. Pfizer’s fiscal quarter-end for subsidiaries operating outside the U.S. is as of and for the three months ended February 22, 2026 and February 23, 2025, and for U.S. subsidiaries is as of and for the three months ended March 29, 2026 and March 30, 2025. References to “Notes” in this Form 10-Q are to the Notes to the Condensed or Consolidated Financial Statements in this Form 10-Q or in our 2025 Form 10-K. We also have used several other terms in this Form 10-Q, most of which are explained or defined below:

(a)Paxlovid has not been approved, but has been authorized for emergency use by the FDA under an EUA for the treatment of mild-to-moderate COVID-19 in pediatric patients (12 years of age and older weighing at least 40 kg) who are at high risk for progression to severe COVID-19, including hospitalization or death. The emergency use of Paxlovid is only authorized for the duration of the declaration that circumstances exist justifying the authorization of emergency use of the medical product during the COVID-19 pandemic under Section 564(b)(1) of the U.S. Federal Food, Drug and Cosmetics Act, 21 U.S.C. § 360bbb-3(b)(1) unless the declaration is terminated or authorization revoked sooner. Please see the EUA Fact Sheet at www.covid19oralrx.com.

This Form 10-Q includes discussion of certain clinical studies relating to various in-line products and/or product candidates. These studies typically are part of a larger body of clinical data relating to such products or product candidates, and the discussion herein should be considered in the context of the larger body of data. In addition, clinical trial data are subject to differing interpretations, and, even when we view data as sufficient to support the safety and/or efficacy of a product candidate or a new indication for an in-line product, regulatory authorities may not share our views and may require additional data or may deny approval altogether.

Some amounts in this Form 10-Q may not add due to rounding. All percentages have been calculated using unrounded amounts. All trademarks mentioned are the property of their owners.

The information contained on our website, our Facebook, Instagram, YouTube and LinkedIn pages or our X accounts, or any third-party website, is not incorporated by reference into this Form 10-Q.

Certain of the products and product candidates discussed in this Form 10-Q are being co-researched, co-developed and/or co-promoted in collaboration with other companies for which Pfizer’s rights vary by market or are the subject of agreements pursuant to which Pfizer has commercialization rights in certain markets.

PFIZER INC. AND SUBSIDIARY COMPANIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(UNAUDITED)

(a) Exclusive of amortization of intangible assets.

See Accompanying Notes.

PFIZER INC. AND SUBSIDIARY COMPANIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

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OPERATIONS**

GENERAL

The following MD&A is intended to assist the reader in understanding our financial condition and results of operations, including an evaluation of the amounts and certainty of cash flows from operations and from outside sources, and is provided as a supplement to and should be read in conjunction with the condensed consolidated financial statements and related notes in Item 1. Financial Statements in this Form 10-Q.

References to operational variances pertain to period-over-period changes that exclude the impact of foreign exchange rates. Although foreign exchange rate changes are part of our business, they are not within our control and because they can mask positive or negative trends in the business, we believe presenting operational variances excluding these foreign exchange changes provides useful information to evaluate our results.

OVERVIEW OF OUR PERFORMANCE, OPERATING AND GLOBAL ECONOMIC ENVIRONMENT

Our Business––Pfizer Inc. is a research-based, global biopharmaceutical company. We apply science and our global resources to bring therapies to people that extend and significantly improve their lives through the discovery, development, manufacture, marketing, sale and distribution of biopharmaceutical products worldwide.

Segments––Beginning in the first quarter of 2026, we manage our commercial operations through a global structure consisting of two operating segments: Biopharma and PC1. Biopharma is the only reportable segment. See Note 13A.

For additional information about our business, strategy and operating environment, see the Item 1. Business section and the Overview of Our Performance, Operating Environment, Strategy and Outlook section within MD&A of our 2025 Form 10-K.

Our Business Development Initiatives––We are committed to strategically capitalizing on growth opportunities, primarily by advancing our own product pipeline and maximizing the value of our existing products, but also through various business development activities. For a description of the more significant recent transactions through February 26, 2026, the filing date of our 2025 Form 10-K, see Note 2 in our 2025 Form 10-K. See Note 2 for a discussion of our acquisition of Metsera in November 2025 and other recent business development initiatives.

Our First Quarter 2026 Performance

Total Revenues––Total revenues increased $736 million, or 5%, in the first quarter of 2026 to $14.5 billion from $13.7 billion in the first quarter of 2025, reflecting an operational increase of $304 million, or 2%, as well as a favorable impact of foreign exchange of $431 million, or 3%. The operational increase was primarily driven by an increase in revenues for Padcev, Eliquis, Oncology biosimilars, Nurtec ODT/Vydura and several other products across categories, partially offset primarily by a decline in COVID-19 product revenues. Excluding contributions from Comirnaty and Paxlovid, Total revenues increased 7% operationally.

See the Total Revenues by Geography and Total Revenues––Selected Product Discussion sections within MD&A for more information, including a discussion of key drivers of our revenue performance for certain products.

Income from Continuing Operations Before Provision/(Benefit) for Taxes on Income––The increase in Income from continuing operations before provision/(benefit) for taxes on income of $386 million to $3.2 billion in the first quarter of 2026 from $2.8 billion in the first quarter of 2025, was primarily due to (i) higher revenues and (ii) a decrease in Restructuring charges and certain acquisition-related costs, partially offset by (iii) increases in Cost of sales and Research and development expenses.

See the Analysis of the Condensed Consolidated Statements of Operations section within MD&A and Notes 3 and 4. For information on our tax provision and effective tax rate, see the Provision/(Benefit) for Taxes on Income section within MD&A and Note 5.

Our Operating Environment––We, like other businesses in our industry, are subject to certain industry-specific challenges. These include, among others, the topics listed below. See also the Item 1. Business––Government Regulation and Price Constraints and Item 1A. Risk Factors sections, and the Overview of Our Performance, Operating Environment, Strategy and Outlook––Our Operating Environment section of the MD&A of our 2025 Form 10-K.

Intellectual Property Rights and Collaboration/Licensing Rights––The loss, expiration or invalidation of intellectual property rights, patent litigation settlements and judgments, and the expiration of co-promotion and licensing rights can have a material adverse effect on our revenues. We anticipate a significant reduction of revenue from patent-based or regulatory exclusivity expiries in 2026 through 2030 as several of our in-line products experience these expirations, with the rate of the reduction of revenues from patent-based or regulatory exclusivity expiries expected to significantly accelerate over the next few years. In

2026, we continue to expect an unfavorable revenue impact from patent-based or regulatory exclusivity expiries of approximately $1.5 billion.

For additional information on patent rights we consider most significant to our business as a whole, including U.S., major Europe and Japan basic product patent expiration years, see the Item 1. Business––Patents and Other Intellectual Property Rights section of our 2025 Form 10-K. For a discussion of recent developments with respect to patent litigation involving certain of our products, see Note 12A1**.

Regulatory Environment/Pricing and Access––Government and Other Payor Group Pressures––Pricing and access pressures from governments globally, as well as private third-party payors in the U.S., continue to impact our global operations. With respect to the U.S., we expect to see continued focus by the U.S. government and states on regulating drug pricing and access to medicine, including but not limited to, international reference pricing, including Most-Favored-Nation (MFN) drug pricing. We continue to monitor and evaluate the implementation of the IRA, including the Medicare Drug Price Negotiation Program (MDPNP) and its government-set Maximum Fair Price which became effective for Eliquis on January 1, 2026. Negotiated prices for Ibrance and Xtandi are expected to follow in 2027, with Xeljanz effective in 2028. The IRA also made significant changes to the Medicare Part D benefit design (IRA Medicare Part D Redesign), which took effect beginning in 2025. We do not expect a material, incremental impact from the IRA Medicare Part D Redesign in 2026 versus the baseline set in 2025. In addition, changes to the Medicaid Drug Rebate Program or the 340B Program, including legal or legislative developments at the federal or state level with respect to the 340B Program, could have a material impact on our business. See the Item 1. Business––Pricing Pressures and Managed Care Organizations and ––Government Regulation and Price Constraints and the Item 1A. Risk Factors––Pricing and Reimbursement sections, and the *Overview of Our Performance, Operating Environment,

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Information required by this item is incorporated by reference from the discussion in the Analysis of Financial Condition, Liquidity, Capital Resources and Market Risk section within MD&A of our 2025 Form 10-K.

As of the end of the period covered by this Form 10-Q, we carried out an evaluation, under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Based on this evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures are effective in alerting them in a timely manner to material information required to be disclosed in our periodic reports filed with the SEC.

During our most recent fiscal quarter, there has not been any change in the Company’s internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

ITEM 1. LEGAL PROCEEDINGS

Certain legal proceedings in which we are involved are discussed in Note 12A.

We refer to the Overview of Our Performance, Operating and Global Economic Environment—Our Operating Environment and —The Global Economic Environment sections and the Forward-Looking Information and Factors That May Affect Future Results section within MD&A of this Form 10-Q and of our 2025 Form 10-K and to the Item 1A. Risk Factors section of our 2025 Form 10-K.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following summarizes purchases of our common stock during the first quarter of 2026:

(a)Represents (i) 6,629,823 shares of common stock surrendered to the Company to satisfy tax withholding obligations in connection with the vesting of awards under our long-term incentive programs and (ii) the open market purchase by the trustee of 3,205 shares of common stock in connection with the reinvestment of dividends paid on common stock held in trust for employees who deferred receipt of performance share awards.

(b)See Note 12 in our 2025 Form 10-K.

During the three months ended March 29, 2026, none of our directors or officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.

SIGNATURE

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