Jugal K. Vijayvargiya - 12 May 2023 Form 4 Insider Report for MATERION Corp (MTRN)

Role: President and CEO, Director
Signature: /s/Michelle R. Mekinda as Atty-in-Fact
Issuer symbol: MTRN
Transactions as of: 12 May 2023
Net transactions value: -$927,209
Form type: 4
Filing time: 16 May 2023, 09:40:37 UTC
Previous filing: 14 Mar 2023
Next filing: 21 Jun 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	Options Exercise	$1,129,681	+31,822	+39%	$35.50	112,844	12 May 2023	Direct
transaction	MTRN	Common Stock	Tax liability	$2,056,890	-20,239	-18%	$101.63	92,605	12 May 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	Stock Appreciation Rights	Options Exercise	$0	-31,822	-100%	$0.000000^*	0	12 May 2023	Common Stock	31,822	$35.50	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The Stock Appreciation Rights vested in three equal annual installments beginning March 3, 2018.