ROBERT J. PHILLIPPY - 06 Mar 2026 Form 4 Insider Report for MATERION Corp (MTRN)

Role
Director
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, 14:22:25 UTC
Previous filing
06 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
PHILLIPPY ROBERT J Director 6070 PARKLAND BLVD., MAYFIELD HEIGHTS /s/Michelle R. Mekinda, as Attorney-In-Fact 10 Mar 2026 0001213190

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTRN Common Stock Award +11 +0.1% $0.000000* 12,027 06 Mar 2026 Held in Directors Deferred Compensation Plan
holding MTRN Common Stock 5,158 06 Mar 2026 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 Award +2 +0.1% $0.000000* 2,006 06 Mar 2026 Common Stock 2 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 The restricted stock units, which were acquired upon the reinvestment of the dividend equivalents, will vest at the same time as the restricted stock units to which they relate (earlier of May 8, 2026 and the date of the next annual meeting of MTRN's shareholders).
F3 Expiration Date is the same as the Date Exercisable.