X0508 4 2025-11-14 0000106535 WEYERHAEUSER CO WY 0001197193 BECKWITT RICHARD 220 OCCIDENTAL AVE. S SEATTLE WA 98104 true false false false false Common 2025-11-14 4 A false 3964 0 A 4030 D These shares were granted pursuant to a restricted stock unit award that vests 100% on the earlier of May 9, 2026 (the first-year anniversary of the 2025 annual shareholders meeting) or the day immediately preceding the 2026 annual shareholders meeting. These shares (rounded down to the nearest whole share) represent the equity portion of the prorated annual retainer fee in the amount of $88,301.89, with the number of restricted stock units determined by dividing the dollar amount of the fee by $22.275, the average of the high ($22.45) and low ($22.10) price of the Issuer's common stock on the date of the grant. /s/ Jose J. Quintana, Attorney-in-fact for Richard Beckwitt 2025-11-17