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MTRN · Materion

4 Insider transaction report

Filed Tuesday, March 3, 2026, accepted by the SEC at 7:16 PM Eastern. Insider forms.

Open the filing at sec.gov Main document

Accession number
0001519910-26-000008
Form
4
Period or event date
Mar 1, 2026
Main document
wk-form4_1772583399.xml
Size at EDGAR
27 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
2,003 in
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
F Shares withheld for tax or exercise price
1,211 out
$166.59
$201,740
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted
3,040 in
$113.28
$344,371
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted
1,471 in
$135.58
$199,438
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted
1,017 in
$87.36
$88,845
Chemnitz Gregory R.VP General Counsel & Secretary
F Shares withheld for tax or exercise price
4,445 out
$157.26
$699,021
Chemnitz Gregory R.VP General Counsel & Secretary
S Open-market or private sale
1,083 out
$157.52
$170,589
Chemnitz Gregory R.VP General Counsel & Secretary
S Open-market or private sale
3,434 out
$157.26
$540,031
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Restricted Stock Units)
2,003 out
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
A Grant or award from the company (derivative: Restricted Stock Units)
1,479 in
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
A Grant or award from the company (derivative: Stock Appreciation Rights)
2,265 in
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
3,040 out
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
1,471 out
none
—
Chemnitz Gregory R.VP General Counsel & Secretary
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
1,017 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.