GRAHAM CORP — Director's Dealing 2025

May 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GRAHAM CORP (GHM)
CIK: 0000716314
Period of Report: 2025-05-17

Reporting Person: Thome Christopher J. (VP-Finance; CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-17	Common Stock	M	2374	—	Acquired	20571	Direct
2025-05-17	Common Stock	F	906	$37.29	Disposed	19665	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-17	Restricted Stock Units	$0	M	2374	Disposed		Common Stock (2374)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0		Common Stock (2951)	2951	Direct
Restricted Stock Units	$0		Common Stock (4930)	4930	Direct

Footnotes

F1: These restricted stock units convert into common stock on a one-for-one basis.

F2: Includes 1,317 shares acquired under the Graham Corporation Employee Stock Purchase Plan.

F3: Shares withheld to cover tax withholding obligations upon the vesting of restricted stock units.

F4: Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/17/2024 and 5/17/2025, and except as otherwise provided in the award notice, the balance vests on 5/17/2026.

F5: Two-thirds of the original grant of these restricted stock units vested in substantially equal installments on each of 5/23/2023 and 5/23/2024, and except as otherwise provided in the award notice, the balance vests on 5/23/2025.

F6: These restricted stock units vest one-third on each of 6/4/2025, 6/4/2026 and 6/4/2027, except as otherwise provided in the award notice.