Form4insider filings, from the source

Company · CIK 0001459839 · SIC 3841 — Surgical & Medical Instruments & Apparatus · Nasdaq

SI-BONE, Inc. · SIBN

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $378k · 1net −$378k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 7:26 pm EDTJeffrey W DunnDirector20,000$18.91$378,16016,057−55.5%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 7:26 pm EDTJeffrey W DunnDirector20,000$4.68$93,60036,057—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 7:26 pm EDTJeffrey W DunnDirector20,000——86,260—10b5-1