‹ Newer filing: MTRN Insider transactionOlder filing ›: MTRN Insider transactionMaterionMTRN4Insider transactionFiled Dec 12, 2023 · 17:43 ETFiledDec 12, 2023Accepted2023-12-12 22:43ZPeriodDec 8, 2023Accession no.0001104657-23-000158Size8 KBIndexFiling indexDocumentsRead the original on EDGAR ↗‹ Newer filing: MTRN Insider transactionOlder filing ›: MTRN Insider transaction