Gregory R. Chemnitz - 10 Mar 2023 Form 4 Insider Report for MATERION Corp (MTRN)

Role: VP General Counsel & Secretary
Signature: /s/Michelle R Mekinda, as Attorney-in-Fact
Issuer symbol: MTRN
Transactions as of: 10 Mar 2023
Net transactions value: -$321
Form type: 4
Filing time: 14 Mar 2023, 19:25:06 UTC
Previous filing: 03 Mar 2023
Next filing: 09 May 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTRN	Common Stock	Award	$0	+5	+0.03%	$0.000000	19,313	10 Mar 2023	Direct
transaction	MTRN	Common Stock	Tax liability	$321	-3	-0.02%	$107.02	19,310	10 Mar 2023	Direct

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
transaction	MTRN	Restricted Stock Units	Award	$0	+7	+0.1%	$0.000000	6,920	10 Mar 2023	Common Stock	7		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a right to receive one share of MTRN common stock.
F2	These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the Restricted Stock Units to which they relate.
F3	Expiration Date is the same as the Date Exercisable.