William H. Zmyndak
VP & GM Graham Manufacturing · GRAHAM CORP
Individual
- 2026
- Jun 3, 2026
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William H. Zmyndak files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mauro Gregorio - $59K in GHM purchases and sales in the last 12 months
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Frequently asked questions
Who is William H. Zmyndak?
William H. Zmyndak is a corporate insider, tracked as VP & GM Graham Manufacturing of GRAHAM CORP (GHM). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William H. Zmyndak last file a Form 4?
The only primary Form 4 on record is dated 3 June 2026.