MATERION Corp — Director's Dealing 2026

Feb 20, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MATERION Corp (MTRN)
CIK: 0001104657
Period of Report: 2026-02-18

Reporting Person: Chadwick Shelly Marie (Vice President, Finance & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-18	Common Stock	M	5785	$68.82	Acquired	27149	Direct
2026-02-18	Common Stock	M	4911	$80.85	Acquired	32060	Direct
2026-02-18	Common Stock	F	3503	$157.01	Disposed	28557	Direct
2026-02-18	Common Stock	F	3217	$156.66	Disposed	25340	Direct
2026-02-18	Common Stock	G	225	—	Disposed	25115	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-18	Stock Appreciation Rights	$68.82	M	5785	Disposed	2028-02-17	Common Stock (5785)	Direct
2026-02-18	Stock Appreciation Rights	$80.85	M	4911	Disposed	2029-03-01	Common Stock (4911)	Direct

Footnotes

F1: The Stock Appreciation Rights vested in three equal annual installments beginning February 17, 2022.

F2: The Stock Appreciation Rights vested in three equal annual installments beginning March 1, 2023.