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

Role: VP General Counsel & Secretary
Signature: /s/Michelle R Mekinda, as Attorney-in-Fact
Issuer symbol: MTRN
Transactions as of: 17 May 2023
Net transactions value: -$242,683
Form type: 4
Filing time: 19 May 2023, 08:42:57 UTC
Previous filing: 09 May 2023
Next filing: 21 Jun 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTRN	Common Stock	Sale	$242,683	-2,378	-11%	$102.05	19,310	17 May 2023	Direct	F1
holding	MTRN	Common Stock						5,270	17 May 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.