SEATTLE — Weyerhaeuser swung to an adjusted quarterly loss, pressured by lower commodity wood ​product prices and sluggish demand in major end-markets. …Weyerhaeuser reported fourth quarter net earnings of $74 million on net sales of $1.5 billion. This compares with net earnings of $81 million on net sales of $1.7 billion for the same period last year and net earnings of $80 million for third quarter 2025. Excluding an after-tax benefit of $141 million for special items, the company reported a fourth quarter net loss of $67 million. This compares with net earnings before special items of $40 million for third quarter 2025. …For full year 2025, Weyerhaeuser reported net earnings of $324 million on net sales of $6.9 billion. This compares with net earnings of $396 million on net sales of $7.1 billion for full year 2024.