Insider · CIK 0002126592
William H. Zmyndak
Files at: GHM. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 AForm 4 → | Jun 3, 4:32 pm EDT | GRAHAM CORPGHM | 1,026 | — | — | 1,026 | — |