Christopher J. Thome - 04 Jun 2026 Form 4 Insider Report for GRAHAM CORP (GHM)

Reporting relationship: VP-Finance; CFO
Issuer ticker: GHM
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jun 2026, 16:31:16 UTC
Prior SEC filing: 03 Jun 2026
Next SEC filing: 10 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Christina McLeod, Attorney-in-Fact for Christopher J. Thome

Key filing fact

Christopher J. Thome filed Form 4 for GRAHAM CORP (GHM) on 08 Jun 2026.

Key facts

This page summarizes Christopher J. Thome's Form 4 filing for GRAHAM CORP (GHM).
3 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 16:31.

Change

Previous filing in this sequence was filed on 03 Jun 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 0001917893 Primary reporting owner

Thome Christopher J.

Relationship: VP-Finance; CFO
Address: C/O GRAHAM CORPORATION, 20 FLORENCE AVENUE, BATAVIA
Signature: /s/ Christina McLeod, Attorney-in-Fact for Christopher J. Thome
Signature date: 08 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GHM transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,643
Change %: +5.6%
Price: $0.000000^*
Shares after: 31,170
Date: 04 Jun 2026
Ownership: Direct
Footnotes: F1

GHM transaction

Common Stock

Tax liability

Transaction value
Shares: -608
Change %: -2%
Price: $107.96^*
Shares after: 30,562
Date: 04 Jun 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

GHM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,643
Change %: -50%
Price: $0.000000^*
Shares after: 1,644
Date: 04 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,643
Exercise price: $0.000000
Footnotes: F1, F3

GHM holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,200
Date: 04 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,200
Exercise price: $0.000000
Footnotes: F1, F4

GHM holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,408
Date: 04 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,408
Exercise price: $0.000000
Footnotes: F1, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

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

Footnote F2

Shares withheld to cover tax withholding obligations upon the vesting of RSUs.

Footnote F3

Two-thirds of the original grant of these RSUs vested in substantially equal installments on each of 6/4/2025 and 6/4/2026, and except as otherwise provided in the award notice, the balance vests on 6/4/2027.

Footnote F4

One-third of the original grant of these RSUs vested on 6/2/2026, and except as otherwise provided in the award notice, the balance vests in substantially equal installments on 6/2/2027 and 6/2/2028.

Footnote F5

These RSUs vest one-third on each of 6/1/2027, 6/1/2028 and 6/1/2029, except as otherwise provided in the award notice.