Malone Matthew (CIK 1864755) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-10). Recent activity: Buy GHM (8,619 shares), Sell GHM (2,477 shares), Buy GHM (1,291 shares), Sell GHM (371 shares), Buy GHM (2,540 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-10 | GRAHAM CORP (GHM) | President and CEO | Buy | 8,619 | $0 |
| 2026-06-10 | GRAHAM CORP (GHM) | President and CEO | Sell | 2,477 | $236,157 |
| 2026-06-08 | GRAHAM CORP (GHM) | President and CEO | Buy | 1,291 | $0 |
| 2026-06-08 | GRAHAM CORP (GHM) | President and CEO | Sell | 371 | $40,053 |
| 2026-06-03 | GRAHAM CORP (GHM) | President and CEO | Buy | 2,540 | $0 |
| 2026-06-03 | GRAHAM CORP (GHM) | President and CEO | Sell | 730 | $77,460 |
| 2026-05-18 | GRAHAM CORP (GHM) | President and CEO | Buy | 2,375 | $0 |
| 2026-05-18 | GRAHAM CORP (GHM) | President and CEO | Sell | 682 | $67,027 |
| 2025-06-11 | GRAHAM CORP (GHM) | President and CEO | Buy | 7,693 | $0 |
| 2025-06-11 | GRAHAM CORP (GHM) | President and CEO | Sell | 2,211 | $98,743 |
| 2025-06-05 | GRAHAM CORP (GHM) | President and COO | Buy | 1,291 | $0 |
| 2025-06-05 | GRAHAM CORP (GHM) | President and COO | Sell | 371 | $15,170 |
| 2025-05-27 | GRAHAM CORP (GHM) | President and COO | Buy | 3,053 | $0 |
| 2025-05-20 | GRAHAM CORP (GHM) | President and COO | Buy | 2,374 | $0 |
Source: SEC Form 4 filings · as of 2026-06-10