Devin W. Stockfish - 15 Dec 2025 Form 4 Insider Report for WEYERHAEUSER CO (WY)

Reporting relationship: President and CEO, Director
Issuer ticker: WY
Reported as of: 15 Dec 2025
Net transaction value: -$21,783
SEC form: 4
Accepted by SEC: 17 Dec 2025, 15:16:41 UTC
Prior SEC filing: 23 May 2025
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Jose J. Quintana, Attorney-in-fact for Devin W. Stockfish

Key filing fact

Devin W. Stockfish filed Form 4 for WEYERHAEUSER CO (WY) on 17 Dec 2025.

Key facts

This page summarizes Devin W. Stockfish's Form 4 filing for WEYERHAEUSER CO (WY).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Dec 2025, 15:16.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: -$21,783.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001613252 Primary reporting owner

Stockfish Devin W

Relationship: President and CEO, Director
Address: 220 OCCIDENTAL AVE SOUTH, SEATTLE
Signature: /s/ Jose J. Quintana, Attorney-in-fact for Devin W. Stockfish
Signature date: 17 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WY transaction

Common

Options Exercise

Transaction value: $2,081,841
Shares: +90,162
Change %: +8.8%
Price: $23.09
Shares after: 1,115,023
Date: 15 Dec 2025
Ownership: Direct
Footnotes: F1, F2

WY transaction

Common

Sale

Transaction value: $2,103,624
Shares: -90,162
Change %: -8.1%
Price: $23.33
Shares after: 1,024,861
Date: 15 Dec 2025
Ownership: Direct
Footnotes: F1, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WY transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -90,162
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 15 Dec 2025
Ownership: Direct
Underlying class: Common
Underlying amount: 90,162
Exercise price: $23.09
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

The exercise of stock options and sale of underlying shares of common stock by the Reporting Person reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024.

Footnote F2

Reported holdings include shares acquired since the Reporting Person's last filing on Form 4 from dividend reinvestment transactions exempt from Section 16 of the Securities Exchange Act of 1934, as amended.

Footnote F3

This transaction was executed in multiple trades at prices ranging from $23.290 to $23.545. The price reported herein reflects the weighted average sale price of all the trades. The Reporting Person hereby undertakes to provide upon request to the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Footnote F4

The option is fully vested.