‹ Newer filing: MTRN Insider transactionOlder filing ›: DCO Proposed insider saleMaterionMTRN4Insider transactionFiled Mar 10, 2026 · 14:21 ETFiledMar 10, 2026Accepted2026-03-10 18:21ZPeriodMar 6, 2026Accession no.0001519910-26-000010Size9 KBIndexFiling indexDocumentsRead the original on EDGAR ↗‹ Newer filing: MTRN Insider transactionOlder filing ›: DCO Proposed insider sale