Weyerhaeuser (WY) director reports 4,500-share insider purchase at $23.61

Rhea-AI Filing Summary

Weyerhaeuser Company director reports open-market share purchase. A director of Weyerhaeuser Company bought 4,500 shares of common stock on 12/17/2025 in an open-market transaction at a price of $23.6058 per share. After this purchase, the director directly owns 25,978 Weyerhaeuser common shares. The director also reports indirect ownership of 45 shares through an IRA and 4,096 and 7,987 shares through trusts. The filing is reported as being made by one reporting person in the capacity of a director.

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

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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).

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^*

Lewis Sara Grootwassink

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/17/2025

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	12/17/2025		P		4,500	A	$23.6058	25,978	D
Common								45	I	By IRA
Common								4,096	I	By Trust
Common								7,987	I	By Trust

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

Explanation of Responses:

	/s/ Jose J. Quintana, Attorney-in-fact for Sara Grootwassink Lewis	12/18/2025
	** 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.
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.

FAQ

What insider transaction did Weyerhaeuser (WY) disclose in this Form 4?

A Weyerhaeuser Company director reported buying 4,500 shares of Weyerhaeuser common stock on 12/17/2025 in an open-market transaction.

At what price did the Weyerhaeuser (WY) director purchase shares?

The director purchased the 4,500 Weyerhaeuser common shares at a price of $23.6058 per share.

How many Weyerhaeuser (WY) shares does the director own after this transaction?

Following the transaction, the director directly owns 25,978 Weyerhaeuser common shares, plus additional indirect holdings through an IRA and trusts.

What indirect Weyerhaeuser (WY) share holdings does the director report?

The director reports indirect ownership of 45 shares through an IRA and 4,096 and 7,987 shares through separate trusts.

What is the relationship of the reporting person to Weyerhaeuser (WY)?

The reporting person is identified as a director of Weyerhaeuser Company.

Was this Weyerhaeuser (WY) Form 4 filed by one or multiple reporting persons?

The report indicates that it is a Form filed by one reporting person.

Who signed the Weyerhaeuser (WY) insider transaction report?

The filing was signed by /s/ Jose J. Quintana as attorney-in-fact for Sara Grootwassink Lewis.