Pfizer (PFE)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-25 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PFIZER INC (PFE) CIK: 0000078003 --- Reporting Owner --- Name: BOURLA ALBERT CIK: 0001595703 Role: Director, Officer (Chairman & CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-25 | Code: M (Exercise of derivative) Shares: +491,626 | Price: $33.82 Total Value: $16,626,791.32 Shares Owned After: 864,215 | Ownership: D (Direct) Footnotes: [F1] The reported transaction constitutes the earn-out of stock appreciation rights (including dividend equivalents thereon). [Transaction #2] Security: Common Stock Date: 2026-02-25 | Code: F (Payment of exercise/tax) Shares: -8,303 | Price: $27.09 Total Value: $224,928.27 Shares Owned After: 855,912 | Ownership: D (Direct) Footnotes: [F2] The reported transaction constitutes the withholding of shares to satisfy tax obligations in connection with earn-out of stock appreciation rights. [Transaction #3] Security: Common Stock Date: 2026-02-25 | Code: F (Payment of exercise/tax) Shares: -467,241 | Price: $26.92 Total Value: $12,578,127.72 Shares Owned After: 388,671 | Ownership: D (Direct) Footnotes: [F3] The reported transaction constitutes the withholding of shares to cover payment of exercise price in connection with earn-out of stock appreciation rights (including dividend equivalents thereon). [F4] Under the terms of the settlement of the stock appreciation rights the 20-day average of the closing prices of Pfizer common stock ending on the settlement date is used. --- Derivative Transactions --- [Transaction #1] Security: Stock Appreciation Rights Date: 2026-02-25 | Code: M (Exercise of derivative) Shares: -491,626 | Price: $0.00 Exercisable: N/A | Expires: 2026-02-25 Shares Owned After: 0 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: The reported transaction constitutes the earn-out of stock appreciation rights (including dividend equivalents thereon). F2: The reported transaction constitutes the withholding of shares to satisfy tax obligations in connection with earn-out of stock appreciation rights. F3: The reported transaction constitutes the withholding of shares to cover payment of exercise price in connection with earn-out of stock appreciation rights (including dividend equivalents thereon). F4: Under the terms of the settlement of the stock appreciation rights the 20-day average of the closing prices of Pfizer common stock ending on the settlement date is used. --- Signature --- /s/ /s/ Shanice A. Reid, by power of atty., for Albert Bourla (2026-02-27)