🕵️ Simpson Manufacturing Co., Inc. ($SSD)
SEC insider & ownership activity, last 12 months · CIK 920371 · every row links its SEC filing
Over the last 12 months insiders sold $1.3M with no open-market buying against it. Olosky Michael sold $605K in discretionary trades (Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $1.3M (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Olosky Michael | 0 | – | 1 | $605K | Sep 10, 2026 |
| Philip E. Donaldson | 0 | – | 1 | $399K | Dec 12, 2025 |
| James S. Andrasick | 0 | – | 2 | $258K | Aug 4, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 8.9% | 13G | Aug 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 8.9% | 13G | Aug 6, 2026 | filing ↗ | |
| Kayne Anderson Rudnick Investment Management, LLC | 8.7% | 13G | Aug 13, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.3% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Olosky Michael | $605K | Sep 10, 2026 | filing ↗ |
| James S. Andrasick | $156K | Aug 4, 2026 | filing ↗ |
| Philip E. Donaldson | $399K | Dec 12, 2025 | filing ↗ |
| James S. Andrasick | $102K | Nov 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Earnings (2.02) | Apr 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 27, 2026 | filing ↗ |
| Earnings (2.02) | Feb 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 16, 2025 | filing ↗ |
| New financial obligation (2.03) | Dec 16, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 16, 2025 | filing ↗ |
| Earnings (2.02) | Oct 27, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 27, 2025 | filing ↗ |