Gregory R. Chemnitz - May 5, 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 5, 2023
Transactions value $
-$192,567
Form type
4
Date filed
5/9/2023, 07:44 PM
Previous filing
Mar 14, 2023
Next filing
May 19, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTRN Common Stock Options Exercise $281K +5.52K +28.6% $50.95 24.8K May 5, 2023 Direct
transaction MTRN Common Stock Options Exercise $201K +2.92K +11.76% $68.82 27.8K May 5, 2023 Direct
transaction MTRN Common Stock Options Exercise $91.1K +1.13K +4.06% $80.85 28.9K May 5, 2023 Direct
transaction MTRN Common Stock Tax liability -$766K -7.19K -24.9% $106.52 21.7K May 5, 2023 Direct
holding MTRN Common Stock 5.27K May 5, 2023 Held in 401(k) Plan

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 Stock Appreciation Rights Options Exercise $0 -5.52K -100% $0.00* 0 May 5, 2023 Common Stock 5.52K $50.95 Direct F1
transaction MTRN Stock Appreciation Rights Options Exercise $0 -2.92K -66.68% $0.00 1.46K May 5, 2023 Common Stock 2.92K $68.82 Direct F2
transaction MTRN Stock Appreciation Rights Options Exercise $0 -1.13K -33.33% $0.00 2.25K May 5, 2023 Common Stock 1.13K $80.85 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These stock appreciation rights vested in three substantially equal annual installments beginning on February 19, 2021
F2 These stock appreciation rights generally vest in three substantially equal annual installments beginning on February 17, 2022
F3 These stock appreciation rights generally vest in three substantially equal installments beginning on March 1, 2023.