Shelly Marie Chadwick - 18 Feb 2026 Form 4 Insider Report for MATERION Corp (MTRN)

Role
Vice President, Finance & CFO
Signature
/s/Michelle R. Mekinda, as Attorney-In-Fact
Issuer symbol
MTRN
Transactions as of
18 Feb 2026
Net transactions value
-$258,803
Form type
4
Filing time
20 Feb 2026, 15:59:29 UTC
Previous filing
13 Feb 2026
Next filing
25 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chadwick Shelly Marie Vice President, Finance & CFO 6070 PARKLAND BLVD., MAYFIELD HTS. /s/Michelle R. Mekinda, as Attorney-In-Fact 20 Feb 2026 0001688289

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTRN Common Stock Options Exercise $398,124 +5,785 +27% $68.82 27,149 18 Feb 2026 Direct
transaction MTRN Common Stock Options Exercise $397,054 +4,911 +18% $80.85 32,060 18 Feb 2026 Direct
transaction MTRN Common Stock Tax liability $550,006 -3,503 -11% $157.01 28,557 18 Feb 2026 Direct
transaction MTRN Common Stock Tax liability $503,975 -3,217 -11% $156.66 25,340 18 Feb 2026 Direct
transaction MTRN Common Stock Gift $0 -225 -0.89% $0.000000 25,115 18 Feb 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 Stock Appreciation Rights Options Exercise $0 -5,785 -100% $0.000000 0 18 Feb 2026 Common Stock 5,785 $68.82 Direct F1
transaction MTRN Stock Appreciation Rights Options Exercise $0 -4,911 -100% $0.000000 0 18 Feb 2026 Common Stock 4,911 $80.85 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Stock Appreciation Rights vested in three equal annual installments beginning February 17, 2022.
F2 The Stock Appreciation Rights vested in three equal annual installments beginning March 1, 2023.