Form4insider filings, from the source

Insider · CIK 0002135878

Patti A. Humble

Files at: ECVT. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $250k · 1sales $0 · 0net $250k
$10k$10k$100k$100k$1M$1MbuyssalesSep 9Sep 9Sep 9Sep 10Sep 10Sep 10Sep 11

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 PForm 4 →Sep 14, 4:00 pm EDTEcovyst Inc.ECVT24,875$10.05$249,99433,974+273%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.