ROBERT J. PHILLIPPY - 08 Dec 2023 Form 4 Insider Report for MATERION Corp (MTRN)

Role: Director
Signature: /s/Michelle R. Mekinda as attorney-in-fact
Issuer symbol: MTRN
Transactions as of: 08 Dec 2023
Net transactions value: $0
Form type: 4
Filing time: 12 Dec 2023, 17:45:03 UTC
Previous filing: 29 Nov 2023
Next filing: 23 Jan 2024
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	+13	+0.11%	$0.000000	11,892	08 Dec 2023	Held in Directors Deferred Compensation Plan
holding	MTRN	Common Stock						2,851	08 Dec 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 Unit	Award	$0	+1	+0.09%	$0.000000	1,151	08 Dec 2023	Common Stock	1		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 (earlier of May 18, 2024 and the date of the next annual meeting of MTRN's shareholders).
F3	Expiration Date is the same as the Date Exercisable.