Melissa A. Fashinpaur - Aug 1, 2025 Form 4 Insider Report for MATERION Corp (MTRN)

Role
Chief Accounting Officer
Signature
/s/Michelle R. Mekinda, as Attorney-In-Fact
Stock symbol
MTRN
Transactions as of
Aug 1, 2025
Transactions value $
-$36,775
Form type
4
Date filed
8/5/2025, 09:17 AM
Previous filing
Jun 17, 2025
Next filing
Aug 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fashinpaur Melissa A Chief Accounting Officer 6070 PARKLAND BOULEVARD, MAYFIELD HEIGHTS /s/Michelle R. Mekinda, as Attorney-In-Fact 2025-08-05 0002072270

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTRN Common Stock Options Exercise $0 +1.21K +439.86% $0.00 1.49K Aug 1, 2025 Direct
transaction MTRN Common Stock Tax liability -$36.8K -350 -23.49% $105.07 1.14K Aug 1, 2025 Direct

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 Restricted Stock Units Options Exercise $0 -1.21K -35.47% $0.00 2.21K Aug 1, 2025 Common Stock 1.21K Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a right to receive one share of MTRN common stock.
F2 Consists of restricted stock units granted on 03/01/2023, 03/01/2024, and 03/01/2025 that will vest in three substantially equal annual installments on the first three anniversaries of the grant date, and restricted stock units granted on 03/01/2025 that will vest in a single installment on 03/01/2028.
F3 Expiration Date is the same as the Date Exercisable.