# EDGAR Filing Document

**Accession Number:** 0000078003
**File Stem:** 0000078003-26-000035
**Filing Date:** 2026-3
**Character Count:** 2433
**Document Hash:** bf42a9c9c9ee48c00dd8c9d78d00aa88
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000078003-26-000035.hdr.sgml**: 20260312

**ACCESSION NUMBER**: 0000078003-26-000035

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260312

**DATE AS OF CHANGE**: 20260312

**FILER**: 

**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

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03619
- **FILM NUMBER:** 26745885

**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

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**SCHEDULE 14A**

**Proxy Statement Pursuant to Section 14(a) of the**

**Securities Exchange Act of 1934**

**(Amendment No.)**

Filed by the Registrant ⌧

Filed by a Party Other Than the Registrant ◻

**Check the Appropriate Box:**

---

| | |
|:---|:---|
| ◻ | Preliminary Proxy Statement |
| ◻ | **Confidential, for Use of the Commission Only (as Permitted by Rule 14a-6(e)(2))** |
| ◻ | Definitive Proxy Statement |
| ⌧ | Definitive Additional Materials |
| ◻ | Soliciting Material Pursuant to §240.14a-12 |
| **Pfizer Inc.** | **Pfizer Inc.** |
| **(Name of Registrant as Specified In Its Charter)** | **(Name of Registrant as Specified In Its Charter)** |
| **(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** | **(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** |
| **Payment of filing fee (Check all boxes that apply):** | **Payment of filing fee (Check all boxes that apply):** |
| ⌧ | No fee required |
| ◻ | Fee paid previously with preliminary materials |
| ◻ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

---

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