Company profile
SI-BONE, Inc. Insider Trading
SIBNEvery SEC Form 4 insider trading filing for SI-BONE, Inc. (SIBN) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Surgical & Medical Instruments & Apparatus
- CIK
- 0001459839
- Filings
- 174
- Insiders
- 14
- Last filing
- 2026-09-01
Activity summary
Recent insider activity is bullish. Over the last 30 days, 4 insiders purchased shares (net $94K). Buying was led by Jeffrey W Dunn.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. SI-BONE, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $3.5M.
90 day insight
Over the last 90 days, SI-BONE, Inc. insiders bought $187K (6 transactions) and sold $543K (14 transactions).
- Most active insider: Jeffrey W Dunn with 9 transactions totaling $935K.
- Largest single sale: $1.0M by Laura Francis on Aug 20, 2026.
- 39% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.
Activity skews bearish: sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Jeffrey W Dunn | SIBN | Option Exercise | 18,633 | $4.68 | $87K |
| Sep 1, 2026 | Jeffrey W Dunn | SIBN | Option Exercise | 1,367 | $4.68 | $6K |
| Sep 1, 2026 | Jeffrey W Dunn | SIBN | Sale10b5 | 18,633 | $18.91 | $352K |
| Sep 1, 2026 | Jeffrey W Dunn | SIBN | Sale10b5 | 1,367 | $18.91 | $26K |
| Sep 1, 2026 | Jeffrey W Dunn | SIBN | Option Exercise | 1,367 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=SIBN" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of SI-BONE, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →