MATERION Corp — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MATERION Corp (MTRN)
CIK: 0001104657
Period of Report: 2026-03-01

Reporting Person: Fashinpaur Melissa A (Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-01	Common Stock	M	659	—	Acquired	921	Direct
2026-03-02	Common Stock	F	302	$166.59	Disposed	619	Direct
2026-03-03	Common Stock	S	309	$160	Disposed	310	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-03-01	Restricted Stock Units	$	M	659	Disposed		Common Stock (659)	Direct
2026-03-01	Restricted Stock Units	$	A	628	Acquired		Common Stock (628)	Direct

Footnotes

F1: Each restricted stock unit represents a right to receive one share of MTRN common stock.

F2: These restricted stock units granted on 03/01/2023, 03/01/2024, and 03/01/2025, and any related dividend equivalents, vest in three equal annual installments.

F3: Expiration Date is the same as the Date Exercisable.

F4: These restricted stock units vest in three equal annual installments beginning March 1, 2027.