Form4insider filings, from the source

Insider · CIK 0001847596

Mark Frichtl

Files at: OUST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $638k · 1net −$638k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 SForm 4 →Sep 16, 6:51 pm EDTOuster, Inc.OUST18,778$33.96$637,691318,987−5.56%10b5-1
Sep 2, 2026 GForm 4 →Sep 4, 6:00 pm EDTOuster, Inc.OUST38,745——337,765—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.