🕵️ Graham Corp ($GHM)
SEC insider & ownership activity, last 12 months · CIK 716314 · every row links its SEC filing
Over the last 12 months insiders bought $59K with no open-market selling against it. Gregorio Mauro bought $59K in discretionary trades (Sep). Brandes Investment Partners, LP trimmed 12.5% → 11.3%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $59K (1 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Gregorio Mauro | 1 | $59K | 0 | – | Sep 12, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Brandes Investment Partners, LP | 11.3% | 13G | Feb 12, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Daniel J. Thoren | $5.4M | Jun 23, 2026 | filing ↗ |
| Daniel J. Thoren | $3.1M | Jun 22, 2026 | filing ↗ |
| Daniel J. Thoren | $539K | Jun 22, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Jun 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 18, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 15, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 15, 2026 | filing ↗ |
| Earnings (2.02) | Jun 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 1, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 14, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Apr 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 14, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 16, 2026 | filing ↗ |
| Earnings (2.02) | Feb 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 6, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 23, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 23, 2026 | filing ↗ |
| Earnings (2.02) | Nov 7, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 7, 2025 | filing ↗ |
| Other events (8.01) | Oct 20, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 20, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 28, 2025 | filing ↗ |