Shelly Marie Chadwick - Aug 8, 2025 Form 4 Insider Report for MATERION Corp (MTRN)

Role: Vice President, Finance & CFO
Signature: /s/Michelle R. Mekinda, as Attorney-In-Fact
Stock symbol: MTRN
Transactions as of: Aug 8, 2025
Transactions value $: $0
Form type: 4
Date filed: 8/12/2025, 12:14 PM
Previous filing: Jun 17, 2025
Next filing: Sep 9, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chadwick Shelly Marie	Vice President, Finance & CFO	6070 PARKLAND BLVD., MAYFIELD HTS.	/s/Michelle R. Mekinda, as Attorney-In-Fact	2025-08-12	0001688289

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	+4.7K	+48.94%	$0.00	14.3K	Aug 8, 2025	Common Stock	4.7K		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 restricted stock units vest in a single installment on the third anniversary of the grant date.
F3	Expiration Date is the same as the Date Exercisable.