Mortimer J. Buckley - 31 Dec 2025 Form 4 Insider Report for PFIZER INC (PFE)

Role: Director
Signature: /s/ Shanice A. Reid, by power of atty., for Mortimer J. Buckley
Issuer symbol: PFE
Transactions as of: 31 Dec 2025
Net transactions value: +$37,500
Form type: 4
Filing time: 05 Jan 2026, 16:59:41 UTC
Previous filing: 03 Oct 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Buckley Mortimer J	Director	66 HUDSON BOULEVARD EAST, ATTN: CORPORATE SECRETARY, NEW YORK	/s/ Shanice A. Reid, by power of atty., for Mortimer J. Buckley	05 Jan 2026	0002041310

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PFE	Phantom Stock Units	Award	$37,500	+1,506	+11%	$24.90	15,078	31 Dec 2025	Common Stock	1,506		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each unit represents one phantom share of common stock.
F2	These units represent deferred director's compensation (including dividend equivalents thereon) that are settled in cash or common stock at the director's election following the reporting person's retirement from the Board of Directors.