Jugal K. Vijayvargiya - 22 Feb 2022 Form 4/A - Amendment Insider Report for MATERION Corp (MTRN)

Role: President and CEO, Director
Signature: /s/Michelle R. Mekinda as Attorney-in-Fact
Issuer symbol: MTRN
Transactions as of: 22 Feb 2022
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 25 Mar 2022, 15:44:00 UTC
Date Of Original Report: 24 Feb 2022
Previous filing: 23 Feb 2022
Next filing: 02 Mar 2022
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	$0	+9,619	+18%	$0.000000	64,329	22 Feb 2022	Direct	F1

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	Options Exercise	$0	-9,619	-30%	$0.000000	22,064	22 Feb 2022	Common Stock	9,619		Direct	F2, F3, F4

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

Explanation of Responses:

Id	Content
F1	This amendment is being filed solely to report the exempt vesting of restricted stock units (no rows from the original Form 4 are repeated in this amendment).
F2	Each restricted stock unit (RSU) represents a right to receive one share of MTRN common stock.
F3	The restricted stock units are subject to a three year vesting period.
F4	Expiration Date is the same as the Date Exercisable.