Gregory R. Chemnitz - 06 Mar 2026 Form 4 Insider Report for MATERION Corp (MTRN)

Signature
/s/Michelle R. Mekinda, as Attorney-In-Fact
Issuer symbol
MTRN
Transactions as of
06 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 14:21:30 UTC
Previous filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chemnitz Gregory R. VP General Counsel & Secretary 6070 PARKLAND BLVD., MAYFIELD HEIGHTS /s/Michelle R. Mekinda, as Attorney-In-Fact 10 Mar 2026 0001519910

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTRN Common Stock Award +5 +0.08% $0.000000* 5,935 06 Mar 2026 Direct
transaction MTRN Common Stock Tax liability -5 -0.08% $144.19* 5,930 09 Mar 2026 Direct
holding MTRN Common Stock 5,348 06 Mar 2026 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 Restricted Stock Units Award +4 +0.11% $0.000000* 3,543 06 Mar 2026 Common Stock 4 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 These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate.
F3 Expiration Date is the same as the Date Exercisable.