Cuyahoga County, Ohio SEC filings desk

Twice an hourEDGAR read 6:10 AM to 10:40 PM Eastern on weekdays, and nightly at 11:55

Cuyahoga Courier Route Pass$1.95 a month, free during preview

MTRN · Materion

4 Insider transaction report

Filed Monday, June 1, 2026, accepted by the SEC at 3:58 PM Eastern. Insider forms.

Open the filing at sec.gov Main document

Accession number
0001213190-26-000015
Form
4
Period or event date
May 29, 2026
Main document
wk-form4_1780343922.xml
Size at EDGAR
11 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
PHILLIPPY ROBERT JDirector
S Open-market or private sale
1,320 out
$217.67
$287,322
PHILLIPPY ROBERT JDirector
S Open-market or private sale
1,084 out
$218.59
$236,956
PHILLIPPY ROBERT JDirector
S Open-market or private sale
740 out
$219.54
$162,460
PHILLIPPY ROBERT JDirector
S Open-market or private sale
356 out
$220.30
$78,426

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.