11 insiders reported 74 Form 4 transactions for GRAHAM CORP (GHM) over the past 18 months (most recent 2026-09-21). Recent activity: Gregorio Mauro (Director) Buy 1,200 shares, Gregorio Mauro (Director) Sell 936 shares, Gregorio Mauro (Director) Buy 936 shares, Thoren Daniel J. (Executive Chairman) Buy 22,101 shares, Thoren Daniel J. (Executive Chairman) Sell 8,095 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-21 | Gregorio Mauro | Director | Buy | 1,200 | $58,812 |
| 2026-09-21 | Gregorio Mauro | Director | Sell | 936 | $0 |
| 2026-09-03 | Gregorio Mauro | Director | Buy | 936 | $0 |
| 2026-06-10 | Thoren Daniel J. | Executive Chairman | Buy | 22,101 | $0 |
| 2026-06-10 | Thoren Daniel J. | Executive Chairman | Sell | 8,095 | $771,777 |
| 2026-06-10 | Thome Christopher J. | VP-Finance; CFO | Buy | 8,619 | $0 |
| 2026-06-10 | Thome Christopher J. | VP-Finance; CFO | Sell | 3,193 | $304,421 |
| 2026-06-10 | Malone Matthew | President and CEO | Buy | 8,619 | $0 |
| 2026-06-10 | Malone Matthew | President and CEO | Sell | 2,477 | $236,157 |
| 2026-06-08 | Thome Christopher J. | VP-Finance; CFO | Sell | 608 | $65,640 |
| 2026-06-08 | Thoren Daniel J. | Executive Chairman | Sell | 1,593 | $171,980 |
| 2026-06-08 | Thome Christopher J. | VP-Finance; CFO | Buy | 1,643 | $0 |
| 2026-06-08 | Thoren Daniel J. | Executive Chairman | Buy | 5,543 | $0 |
| 2026-06-08 | Malone Matthew | President and CEO | Buy | 1,291 | $0 |
| 2026-06-08 | Malone Matthew | President and CEO | Sell | 371 | $40,053 |
| 2026-06-03 | Jaroslawsky Cari L | Director | Buy | 1,956 | $0 |
| 2026-06-03 | Painter Jonathan W | Director | Buy | 1,956 | $0 |
| 2026-06-03 | Malone Matthew | President and CEO | Buy | 2,540 | $0 |
| 2026-06-03 | Malone Matthew | President and CEO | Sell | 730 | $77,460 |
| 2026-06-03 | Dixon Michael E. | VP & GM of Barber-Nichols | Buy | 762 | $0 |
| 2026-06-03 | Dixon Michael E. | VP & GM of Barber-Nichols | Sell | 235 | $24,936 |
| 2026-06-03 | Barber James J | Director | Buy | 1,956 | $0 |
| 2026-06-03 | Schnorr Lisa M. | Director | Buy | 1,956 | $0 |
| 2026-06-03 | Stoner Troy A. | Director | Buy | 1,956 | $0 |
| 2026-06-03 | Thoren Daniel J. | Executive Chairman | Buy | 529 | $0 |
Source: SEC Form 4 filings · as of 2026-09-21