Key facts
- This page summarizes Lidia Fonseca's Form 4 filing for PFIZER INC (PFE).
- 4 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 27 Feb 2026, 18:34.
Lidia Fonseca - 25 Feb 2026 Form 4 Insider Report for PFIZER INC (PFE)
- Reporting relationship
- Executive Vice President
- Issuer ticker
- PFE
- Reported as of
- 25 Feb 2026
- Net transaction value
- +$439,834
- SEC form
- 4
- Accepted by SEC
- 27 Feb 2026, 18:34:06 UTC
- Prior SEC filing
- 30 Apr 2025
- Next SEC filing
- 05 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Shanice A. Reid, by power of atty, for Lidia Fonseca
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Lidia Fonseca filed Form 4 for PFIZER INC (PFE) on 27 Feb 2026.
Change
- Previous filing in this sequence was filed on 30 Apr 2025.
- Current net transaction value: +$439,834.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001454944
Primary reporting owner
Fonseca Lidia
- Relationship
- Executive Vice President
- Address
- 66 HUDSON BOULEVARD EAST, ATTN: CORPORATE SECRETARY, NEW YORK
- Signature
- /s/ Shanice A. Reid, by power of atty, for Lidia Fonseca
- Signature date
- 27 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PFE
transaction
Common Stock
Options Exercise
- Transaction value
- $1,923,952
- Shares
- +56,888
- Change %
- +127%
- Price
- $33.82
- Shares after
- 101,579
- Date
- 25 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
PFE
transaction
Common Stock
Tax liability
- Transaction value
- $28,661
- Shares
- -1,058
- Change %
- -1%
- Price
- $27.09
- Shares after
- 100,521
- Date
- 25 Feb 2026
- Ownership
- Direct
- Footnotes
- F2
PFE
transaction
Common Stock
Tax liability
- Transaction value
- $1,455,457
- Shares
- -54,066
- Change %
- -54%
- Price
- $26.92
- Shares after
- 46,455
- Date
- 25 Feb 2026
- Ownership
- Direct
- Footnotes
- F3, F4
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
PFE
transaction
Derivative
Stock Appreciation Rights
Options Exercise
- Transaction value
- $0
- Shares
- -56,888
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 25 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 56,888
- Exercise price
- $33.82
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
The reported transaction constitutes the earn-out of stock appreciation rights (including dividend equivalents thereon).
Footnote F2
The reported transaction constitutes the withholding of shares to satisfy tax obligations in connection with earn-out of stock appreciation rights.
Footnote 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).
Footnote 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.