Form 4 for GHM GRAHAM CORP

Accepted 2026-06-08 16:30:36 ET · period of report 2026-06-04 · accession 0000891839-26-000236 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-06-08 16:30	2026-06-04	GHM	Malone Matthew	Pres, CEO, Dir	M - OptEx	$0.00	+1,291	57.9K	+2%	$0
D	2026-06-08 16:30	2026-06-04	GHM	Malone Matthew	Pres, CEO, Dir	F - Tax	$107.96	-371	57.5K	-0.6%	-$40.1K
D	2026-06-08 16:30	2026-06-04	GHM	Malone Matthew	Pres, CEO, Dir	M - OptEx	$0.00	-1,291	1,291	-50%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-06-04	M	A	1,291	$0.00	57,858	D	—	—	(F1) These restricted stock units convert into common stock on a one-for-one basis ("RSUs").
2	Common	Common Stock	2026-06-04	F	D	371	$107.96	57,487	D	—	—	(F2) Shares withheld to cover tax withholding obligations upon the vesting of RSUs.
3	Derivative	Restricted Stock Units	2026-06-04	M	D	1,291	$0.00	1,291	D	$0.00 · — to —	1,291 Common Stock	(F1) These restricted stock units convert into common stock on a one-for-one basis ("RSUs"). (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. (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.