Form4insider filings, from the source

Insider · CIK 0001078942

Craig S Shular

Files at: MTRN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 AForm 4 →Sep 9, 4:59 pm EDTMATERION CorpMTRN31——54,951—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.