Shelly Marie Chadwick - 08 Aug 2025 Form 4 Insider Report for MATERION Corp (MTRN)

Role: Vice President, Finance & CFO
Signature: /s/Michelle R. Mekinda, as Attorney-In-Fact
Issuer symbol: MTRN
Transactions as of: 08 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 12 Aug 2025, 12:14:43 UTC
Previous filing: 17 Jun 2025
Next filing: 09 Sep 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	12 Aug 2025	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	+4,696	+49%	$0.000000	14,292	08 Aug 2025	Common Stock	4,696		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.