William H. Zmyndak - 01 Jun 2026 Form 4 Insider Report for GRAHAM CORP (GHM)

Reporting relationship: VP & GM Graham Manufacturing
Issuer ticker: GHM
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Jun 2026, 16:32:20 UTC
Prior SEC filing: 06 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Christina McLeod, Attorney-in-Fact for William H. Zmyndak

Key filing fact

William H. Zmyndak filed Form 4 for GRAHAM CORP (GHM) on 03 Jun 2026.

Key facts

This page summarizes William H. Zmyndak's Form 4 filing for GRAHAM CORP (GHM).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 03 Jun 2026, 16:32.

Change

Previous filing in this sequence was filed on 06 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002126592 Primary reporting owner

Zmyndak William H.

Relationship: VP & GM Graham Manufacturing
Address: C/O GRAHAM CORPORATION, 20 FLORENCE AVENUE, BATAVIA
Signature: /s/ Christina McLeod, Attorney-in-Fact for William H. Zmyndak
Signature date: 03 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GHM transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +1,026
Change %
Price: $0.000000^*
Shares after: 1,026
Date: 01 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,026
Exercise price: $0.000000
Footnotes: F1, F2

GHM holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,473
Date: 01 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,473
Exercise price: $0.000000
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These restricted stock units convert into common stock on a one-for-one basis ("RSUs").

Footnote F2

These RSUs were granted under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029.

Footnote F3

These RSUs will vest with respect to 1,319 RSUs on 3/24/2027, 1,319 RSUs on 3/24/2028 and 835 RSUs on 3/24/2029, except as otherwise provided in the award notice.