Form4insider filings, from the source

Insider · CIK 0001204034

Vinod M Khilnani

Files at: MTRN, ESE, SRCE, ROCK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $470k · 1net −$470k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 AForm 4 →Sep 9, 4:59 pm EDTMATERION CorpMTRN12——20,035—
Aug 31, 2026 SForm 4 →Sep 1, 1:47 pm EDTMATERION CorpMTRN2,000$235.16$470,32211,171−15.2%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.