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MTRN · Materion

4 Insider transaction report

Filed Thursday, November 6, 2025, accepted by the SEC at 1:27 PM Eastern. Insider forms.

Open the filing at sec.gov Main document

Accession number
0001519910-25-000008
Form
4
Period or event date
Nov 4, 2025
Main document
wk-form4_1762453641.xml
Size at EDGAR
15 KB

Transactions in this filing

Read from the filing’s own XML. Codes are the SEC’s Form 4 transaction codes; value is shares times price where a price above zero is given.

FiledInsider (as named in the filing)TransactionSharesPriceValue
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted
1,459 in
$68.82
$100,408
Chemnitz Gregory R.VP General Counsel & Secretary
F Shares withheld for tax or exercise price
1,053 out
$112.96
$118,947
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted
2,254 in
$80.85
$182,236
Chemnitz Gregory R.VP General Counsel & Secretary
F Shares withheld for tax or exercise price
1,796 out
$113.13
$203,181
Chemnitz Gregory R.VP General Counsel & Secretary
S Open-market or private sale
864 out
$113.23
$97,827
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
1,459 out
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
2,254 out
none
—

Cuyahoga Courier copies the filing’s index facts from EDGAR and links to the original; it does not store or summarise the document. Nothing here is investment advice.