# EDGAR Filing Document

**Accession Number:** 0002127636
**File Stem:** 0001225208-26-004653
**Filing Date:** 2026-4
**Character Count:** 8481
**Document Hash:** f9c032cb05ca03232ecb0d152cba5729
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001225208-26-004653.hdr.sgml**: 20260427

**ACCESSION NUMBER**: 0001225208-26-004653

**CONFORMED SUBMISSION TYPE**: 3/A

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260401

**FILED AS OF DATE**: 20260427

**DATE AS OF CHANGE**: 20260427

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Hancock Dennis P
- **CENTRAL INDEX KEY:** 0002127636

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03619
- **FILM NUMBER:** 26902590

**MAIL ADDRESS:**
- **STREET 1:** PFIZER INC.
- **STREET 2:** 66 HUDSON BOULEVARD EAST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PFIZER INC
- **CENTRAL INDEX KEY:** 0000078003
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 135315170
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 66 HUDSON BOULEVARD EAST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001-2192
- **BUSINESS PHONE:** 2127332323

**MAIL ADDRESS:**
- **STREET 1:** 66 HUDSON BOULEVARD EAST
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001-2192

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PFIZER CHARLES & CO INC
- **DATE OF NAME CHANGE:** 19710908

## Ex-24

Exhibit 24

<u>POWER OF ATTORNEY</u>

The undersigned hereby constitutes and appoints each of Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds as the undersigned's true and lawful attorney-in-fact and agent, and grants each of them full power to act on behalf of the undersigned and in the undersigned's name, place and stead, in any and all capacities, for the purpose of completing and signing, on behalf of the undersigned,

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• any Form 3, Form 4 or Form 5 required or permitted to be filed by the undersigned pursuant to Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"),

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• any Form 144 required to be filed by the undersigned under the Securities Act of 1933, as amended (the "Securities Act"), and Rule 144 promulgated thereunder, and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• any and all other documents, including, without limitation, Form ID, necessary or desirable to facilitate the filing by the undersigned of Form 144 and forms under Section 16 of the Exchange Act,

with regard to the undersigned's ownership of or transactions in securities of Pfizer Inc., including, without limitation, the power to complete and sign any and all amendments to such forms and documents, if any, and to file such forms and documents and amendments thereto with the Securities and Exchange Commission, and to do and perform each and every act and thing requisite or necessary to be done in connection with such forms and documents and amendments thereto, as fully and to all intents and purposes as the undersigned might or could do in person.

The authority of Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds under this Power of Attorney shall continue until the undersigned is no longer required to file Form 3, Form 4, Form 5 or Form 144 with regard to the undersigned's ownership of or transactions in securities of Pfizer Inc., unless earlier revoked in writing. The undersigned acknowledges that Tara J. Gabbai, Lori P. Hernando, Margaret M. Madden, Madelyn D. Purcell, Shanice A. Reid and Anika Reynolds are not assuming any of the undersigned's responsibilities to comply with Rule 144 under the Securities Act or Section 16 of the Exchange Act.

---

| | |
|:---|:---|
| **Signature:** /s/ Dennis P. Hancock |  |
| **Name:** Dennis P. Hancock | **Date March 31, 2026** |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3/A

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Hancock Dennis P<br><sub>(Last) (First) (Middle)</sub><br>66 HUDSON BOULEVARD EAST<br>ATTN: CORPORATE SECRETARY<br><sub>(Street)</sub><br>NEW YORK, NY 10001-2192<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Executive Vice President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>PFIZER INC [ PFE ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock |  |  |  |  |  |  |  | 1940<sup>(1)</sup> | I | By Rule 16b-3 Plan |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) This Form 3/A is being filed to include common shares held indirectly in the Pfizer Savings Plan that were inadvertently omitted from the reporting person's original Form 3 filed on April 10, 2026.

**Remarks:**
dphxpoa26.htm

**Signature:** /s/ Shanice A. Reid, by Power of atty, for Dennis P. Hancock  
**Date:** 2026-04-27

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**