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MTRN · Materion

4 Insider transaction report

Filed Tuesday, May 12, 2026, accepted by the SEC at 3:46 PM Eastern. Insider forms.

Open the filing at sec.gov Main document

Accession number
0001688289-26-000014
Form
4
Period or event date
May 8, 2026
Main document
wk-form4_1778615200.xml
Size at EDGAR
9 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
Chadwick Shelly MarieVice President, Finance & CFO
M Option or right exercised or converted
4,912 in
$113.28
$556,431
Chadwick Shelly MarieVice President, Finance & CFO
F Shares withheld for tax or exercise price
3,720 out
$199.14
$740,801
Chadwick Shelly MarieVice President, Finance & CFO
S Open-market or private sale
1,192 out
$198.88
$237,065
Chadwick Shelly MarieVice President, Finance & CFO
M Option or right exercised or converted (derivative: Stock Appreciation Rights)
4,912 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.