Form 4 for MTRN MATERION Corp

Accepted 2025-05-09 00:00:00 ET · period of report 2025-05-07 · accession 0001104657-25-000077 · 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	2025-05-09	2025-05-07	MTRN	REDDY N MOHAN	Dir	M - OptEx	—	+1,155	1,155	New	—
D	2025-05-09	2025-05-08	MTRN	REDDY N MOHAN	Dir	A - Grant	$0.00	+1,996	1,996	New	$0
D	2025-05-09	2025-05-07	MTRN	REDDY N MOHAN	Dir	M - OptEx	$0.00	-1,155	0	-100%	$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	2025-05-07	M	A	1,155	—	1,155	D	—	—	(F1) Each restricted stock unit represents a right to receive one share of MTRN common stock.
2	Derivative	Restricted Stock Units	2025-05-08	A	A	1,996	$0.00	1,996	D	— · — to —	1,996 Common Stock	(F1) Each restricted stock unit represents a right to receive one share of MTRN common stock. (F4) The restricted stock units generally vest on the earlier of (1) the first anniversary of the grant date and (2) the next annual meeting of MTRN's shareholders that follows the grant date. (F3) Expiration Date is the same as the Date Exercisable.
3	Derivative	Restricted Stock Unit	2025-05-07	M	D	1,155	$0.00	0	D	— · — to —	1,155 Common Stock	(F1) Each restricted stock unit represents a right to receive one share of MTRN common stock. (F2) These shares were issued pursuant to the vesting of a restricted stock unit award made on May 10, 2024 that vested on May 7, 2025. (F3) Expiration Date is the same as the Date Exercisable.