Weyerhaeuser (WY) CEO Devin Stockfish logs 90,162-share sale, option exercise

Rhea-AI Filing Summary

Weyerhaeuser president and CEO Devin W. Stockfish reported insider transactions in company common stock dated 12/15/2025. He exercised stock options to acquire 90,162 shares at $23.09 per share, then sold 90,162 shares on the same date at a weighted average price of $23.3316, with individual trades executed between $23.290 and $23.545.

After these transactions, he directly owned 1,024,861.3064 Weyerhaeuser shares. The options exercised carried a $23.09 exercise price, were fully vested, and were originally exercisable from 02/09/2017 until their 02/09/2026 expiration. The company notes these trades were carried out under a Rule 10b5-1 trading plan adopted on November 22, 2024.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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

X

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^*

Stockfish Devin W

(Last) (First) (Middle)

220 OCCIDENTAL AVE SOUTH

(Street)

SEATTLE WA 98104

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WEYERHAEUSER CO [ WY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common	12/15/2025		M		90,162(1)	A	$23.09	1,115,023.3064(2)	D
Common	12/15/2025		S		90,162(1)	D	$23.3316(3)	1,024,861.3064	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$23.09	12/15/2025		M			90,162(1)	02/09/2017(4)	02/09/2026	Common	90,162	$0	0	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. The option is fully vested.

	/s/ Jose J. Quintana, Attorney-in-fact for Devin W. Stockfish	12/17/2025
	** Signature of Reporting Person	Date
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.
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FAQ

What insider transaction did Weyerhaeuser (WY) disclose in this report?

The report shows that Weyerhaeuser’s president and CEO Devin W. Stockfish exercised stock options for 90,162 common shares and sold 90,162 common shares on 12/15/2025.

How many Weyerhaeuser (WY) shares did the CEO buy and sell, and at what prices?

He acquired 90,162 shares by exercising options at $23.09 per share and sold 90,162 shares at a weighted average price of $23.3316, with trades between $23.290 and $23.545.

How many Weyerhaeuser (WY) shares does the CEO own after these transactions?

Following the reported transactions, Devin W. Stockfish directly owned 1,024,861.3064 shares of Weyerhaeuser common stock.

Were the Weyerhaeuser (WY) insider trades made under a Rule 10b5-1 plan?

Yes. The transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 22, 2024.

What happened to the stock options in this Weyerhaeuser (WY) Form 4 report?

The CEO exercised stock options for 90,162 shares at a $23.09 exercise price, leaving 0 stock options beneficially owned afterward. The option was fully vested and had an original expiration date of 02/09/2026.

What role does Devin W. Stockfish hold at Weyerhaeuser (WY)?

Devin W. Stockfish is reported as both a Director and an Officer, serving as Weyerhaeuser’s President and CEO.