🕵️ Weyerhaeuser Co ($WY)
SEC insider & ownership activity, last 12 months · CIK 106535 · every row links its SEC filing
Over the last 12 months insiders sold $2.4M against $823K of open-market buying. Devin W. Stockfish sold $2.1M through a 10b5-1 trading plan in 1 lots (Dec). Blackrock, Inc. trimmed 9.7% → 8.5%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $823K (4 lots) · 2 sellers, $2.4M (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Devin W. Stockfish | 0 | – | 1 | $2.1M | Dec 15, 2025 |
| Beckwitt Richard | 1 | $514K | 0 | – | Feb 19, 2026 |
| Brian K. Chaney | 0 | – | 1 | $288K | Feb 3, 2026 |
| Lewis Sara Grootwassink | 2 | $207K | 0 | – | Dec 17, 2025 |
| O'Rourke James Calvin | 1 | $101K | 0 | – | Feb 20, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 8.5% | 13G | Jul 17, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 8.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ | |
| First Eagle Investment Management, LLC | 6.6% | 13G | May 14, 2026 | filing ↗ | |
| Wellington Management Group LLP | 5.1% | 13G | Aug 12, 2025 | filing ↗ | |
| Wellington Group Holdings LLP | 5.1% | 13G | Aug 12, 2025 | filing ↗ | |
| Wellington Investment Advisors Holdings LLP | 5.1% | 13G | Aug 12, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Brian K. Chaney | $288K | Feb 3, 2026 | filing ↗ |
| Devin W. Stockfish | $2.1M | Dec 15, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 14, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 18, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| New financial obligation (2.03) | Nov 5, 2025 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 25, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 25, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 4, 2025 | filing ↗ |