William H. Zmyndak
CIK: 0002126592
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)1 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GHM
GRAHAM CORP
Officer
Discretionary Trading P&L
Holdings
About Zmyndak William H.
Zmyndak William H. (SEC CIK 0002126592) files insider reports with the SEC as VP & GM Graham Manufacturing of GRAHAM CORP (GHM).
Signal8 holds 2 ownership filings by Zmyndak William H. (1 Form 3, 1 Form 4), filed between Apr 6, 2026 and Jun 3, 2026. Those filings report 1 transaction, the latest on Jun 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Zmyndak William H.'s filings is in BATAVIA, NY.
Recent filings by Zmyndak William H.
- Jun 1, 2026: Grant or award of GHM derivative securities (Form 4, code A).
Other insiders filing for GRAHAM CORP (GHM)
- Gregorio Mauro, Director
- Scholes Richard Alan, Chief Growth & Enblmnt Officer
- Thoren Daniel J., Executive Chairman
- Thome Christopher J., VP-Finance; CFO
- Malone Matthew, President and CEO
- Painter Jonathan W, Director