Christopher J. Thome - 09 Jun 2025 Form 4 Insider Report for GRAHAM CORP (GHM)

Role: VP-Finance; CFO
Signature: /s/ Christina McLeod, Attorney-in-Fact for Christopher J. Thome
Issuer symbol: GHM
Transactions as of: 09 Jun 2025
Net transactions value: -$119,689
Form type: 4
Filing time: 11 Jun 2025, 16:30:14 UTC
Previous filing: 05 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Thome Christopher J.	VP-Finance; CFO	C/O GRAHAM CORPORATION, 20 FLORENCE AVENUE, BATAVIA	/s/ Christina McLeod, Attorney-in-Fact for Christopher J. Thome	11 Jun 2025	0001917893

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GHM	Common Stock	Award	$0	+7,436	+33%	$0.000000	30,040	09 Jun 2025	Direct	F1
transaction	GHM	Common Stock	Tax liability	$119,689	-2,680	-8.9%	$44.66	27,360	09 Jun 2025	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	GHM	Restricted Stock Units						3,287	09 Jun 2025	Common Stock	3,287	$0.000000	Direct	F3
holding	GHM	Restricted Stock Units						2,375	09 Jun 2025	Common Stock	2,375	$0.000000	Direct	F4
holding	GHM	Restricted Stock Units						3,299	09 Jun 2025	Common Stock	3,299	$0.000000	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were awarded to Mr. Thome upon the vesting of performance-based restricted stock units granted to him under the 2020 Graham Corporation Equity Incentive Plan in a transaction exempt under Rule 16b-3. The shares underlying this award vested after three years based on the Company's achievement on certain pre-determined performance measures over the eligible three-year period that ended on 3/31/2025.
F2	Shares withheld to cover tax withholding obligations upon the vesting of performance-based restricted stock units.
F3	These restricted stock units, which convert into common stock on a one-for-one basis, vest in substantially equal installments on each of 6/4/2026 and 6/4/2027, except as otherwise provided in the award notice.
F4	These restricted stock units, which convert into common stock on a one-for-one basis, vest on 5/17/2026, except as otherwise provided in the award notice.
F5	These restricted stock units, which convert into common stock on a one-for-one basis, vest one-third on each of 6/2/2026, 6/2/2027 and 6/2/2028, except as otherwise provided in the award notice.