SI-BONE, Inc.
SIBN- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001459839
In the last 90 days, SI-BONE, Inc. insiders filed 0 open-market purchases and 11 sales; 167 institutions reported holding it in 13F filings for Q2 2026, worth $773.9M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $3.47M in total
- 11
- 13F holdersQ2 2026, −9 vs. previous quarter
- 167
- 13F valueReported value at the end of Q2 2026
- $773.9M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SIBN, Q2 2026
No superinvestor reported holding SIBN at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by SI-BONE, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 (view filing)7:26 PM ET | Sep 1 | 2 days | Dunn Jeffrey WDirector | SSale | −20.0K | $18.91 | −$378.2K | −55.5%16.1K after | 2 lots10b5-1 |
| Aug 26, 2026 (view filing)7:06 PM ET | Aug 24 | 2 days | Francis LauraChief Executive Officer | SSale | −26.0K | $20.12 | −$522.6K | −8.2%291.5K after | 10b5-1 |
| Aug 26, 2026 (view filing)7:04 PM ET | Aug 24 | 2 days | Maheshwari AnshulChief Op & Financial Officer | SSale | −11.6K | $20.11 | −$234.0K | −5.0%223.3K after | 10b5-1 |
| Aug 21, 2026 (view filing)5:58 PM ET | Aug 20-21 | 1 day | Francis LauraChief Executive Officer | SSale | −55.8K | $19.50 | −$1.09M | −15.0%317.5K after | 2 lots10b5-1 |
| Aug 21, 2026 (view filing)5:56 PM ET | Aug 19-21 | 2 days | Maheshwari AnshulChief Op & Financial Officer | SSale | −17.0K | $19.86 | −$337.1K | −6.7%234.9K after | 2 lots10b5-1 |
| Aug 18, 2026 (view filing)5:00 PM ET | Aug 17 | 1 day | Francis LauraChief Executive Officer | SSale | −15.0K | $18.66 | −$279.1K | −2.9%493.9K after | 5 lots |
| Aug 18, 2026 (view filing)4:58 PM ET | Aug 17 | 1 day | Pisetsky Michael ASVP, Ops & Adm/Chief Legal Ofr | SSale | −3.73K | $18.63 | −$69.4K | −1.3%273.6K after | 2 lots |
| Aug 18, 2026 (view filing)4:55 PM ET | Aug 17 | 1 day | Maheshwari AnshulChief Financial Officer | SSale | −4.67K | $18.65 | −$87.0K | −1.8%251.9K after | 2 lots |
| Aug 5, 2026 (view filing)6:21 PM ET | Aug 3 | 2 days | Dunn Jeffrey WDirector | SSale | −20.0K | $18.46 | −$369.2K | −55.5%16.1K after | |
| Jul 6, 2026 (view filing)5:11 PM ET | Jul 2 | 4 days | Pisetsky Michael ASVP, Ops & Adm/Chief Legal Ofr | SSale | −3.13K | $16.71 | −$52.4K | −1.1%277.4K after | 3 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in SI-BONE, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Light Asset Management, LLC | 8,127,985 | $132.6M | 8.06% | +2,774,795+51.8% | Added |
| BlackRock, Inc. | 3,676,259 | $60.0M | 0.00% | +247,718+7.2% | Added |
| Cadian Capital Management, LP | 3,347,574 | $54.6M | 4.13% | +1,460,102+77.4% | Added |
| American Century Companies Inc | 2,510,963 | $41.0M | 0.02% | +1,898+0.1% | Added |
| Brown Advisory Inc | 2,077,134 | $33.9M | 0.05% | −45,198−2.1% | Reduced |
| Granahan Investment Management Inc | 1,931,182 | $31.5M | 1.12% | +192,085+11.0% | Added |
| Vanguard Capital Management LLC | 1,838,499 | $30.0M | 0.00% | +74,186+4.2% | Added |
| Impax Asset Management Group plc | 1,425,010 | $23.3M | 0.15% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 1,253,042 | $20.4M | 0.21% | +204,526+19.5% | Added |
| Paradigm Capital Management Inc | 1,233,200 | $20.1M | 0.55% | +106,700+9.5% | Added |