Gregory R. Chemnitz - May 17, 2023 Form 4 Insider Report for MATERION Corp (MTRN)

Role: VP General Counsel & Secretary
Signature: /s/Michelle R Mekinda, as Attorney-in-Fact
Stock symbol: MTRN
Transactions as of: May 17, 2023
Transactions value $: -$242,683
Form type: 4
Date filed: 5/19/2023, 08:42 AM
Previous filing: May 9, 2023
Next filing: Jun 21, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTRN	Common Stock	Sale	-$243K	-2.38K	-10.96%	$102.05	19.3K	May 17, 2023	Direct	F1
holding	MTRN	Common Stock						5.27K	May 17, 2023	Held in 401(k) Plan

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.69 to $102.625, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote.

Content

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.69 to $102.625, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote.