SIBN
SI-BONE, Inc.
NASDAQ · Healthcare · Medical - Devices · US
$18.57
−0.38%0
Insider buys (3m)
24
Insider sells (3m)
-$3.5M
Net value (3m)
+21.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 3, 2026 | DUNN JEFFREY W · director | Sale | 1,367 | $19 |
| Sep 3, 2026 | DUNN JEFFREY W · director | Sale | 18,633 | $19 |
| Sep 3, 2026 | DUNN JEFFREY W · director | M-Exempt | 18,633 | $4.68 |
| Sep 3, 2026 | DUNN JEFFREY W · director | M-Exempt | 1,367 | $4.68 |
| Aug 26, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 25,972 | $20 |
| Aug 26, 2026 | Maheshwari Anshul · officer: Chief Op & Financial Officer | Sale | 11,636 | $20 |
| Aug 21, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 51,884 | $19 |
| Aug 21, 2026 | Maheshwari Anshul · officer: Chief Op & Financial Officer | Sale | 11,228 | $20 |
| Aug 21, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 3,923 | $20 |
| Aug 21, 2026 | Maheshwari Anshul · officer: Chief Op & Financial Officer | Sale | 5,747 | $20 |
| Aug 18, 2026 | Maheshwari Anshul · officer: Chief Financial Officer | Sale | 2,189 | $19 |
| Aug 18, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 1,973 | $19 |
| Aug 18, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 3,203 | $19 |
| Aug 18, 2026 | Maheshwari Anshul · officer: Chief Financial Officer | Sale | 2,476 | $19 |
| Aug 18, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 3,652 | $19 |
| Aug 18, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 2,236 | $19 |
| Aug 18, 2026 | FRANCIS LAURA · director, officer: Chief Executive Officer | Sale | 3,892 | $19 |
| Aug 18, 2026 | PISETSKY MICHAEL A. · officer: SVP, Ops & Adm/Chief Legal Ofr | Sale | 1,871 | $19 |
| Aug 18, 2026 | PISETSKY MICHAEL A. · officer: SVP, Ops & Adm/Chief Legal Ofr | Sale | 1,854 | $19 |
| Aug 5, 2026 | DUNN JEFFREY W · director | Sale | 20,000 | $18 |
| Aug 5, 2026 | DUNN JEFFREY W · director | M-Exempt | 20,000 | $4.68 |
| Jul 6, 2026 | Maheshwari Anshul · officer: Chief Financial Officer | Sale | 1,757 | $17 |
| Jul 6, 2026 | PISETSKY MICHAEL A. · officer: SVP, Ops & Adm/Chief Legal Ofr | Sale | 1,799 | $17 |
| Jul 6, 2026 | PISETSKY MICHAEL A. · officer: SVP, Ops & Adm/Chief Legal Ofr | Sale | 34 | $17 |
| Jul 6, 2026 | PISETSKY MICHAEL A. · officer: SVP, Ops & Adm/Chief Legal Ofr | Sale | 1,301 | $17 |
| Jul 6, 2026 | Maheshwari Anshul · officer: Chief Financial Officer | Sale | 1,560 | $17 |
| Jun 9, 2026 | HILLEMAN JERYL L · director | A-Award | 10,957 | $0.00 |
| Jun 8, 2026 | Freund John Gordon · director | A-Award | 10,957 | $0.00 |
| Jun 8, 2026 | Nishimura Mika · director | A-Award | 10,957 | $0.00 |
| Jun 8, 2026 | West Thomas A. · director | A-Award | 10,957 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 54Increased 147Reduced 118Sold out 27
| Filer | Action | Shares | Filed |
|---|---|---|---|
| First Light Asset Management, LLC | Increased | 8,127,985 | Aug 14, 2026 |
| FIRST LIGHT ASSET MANAGEMENT, LLC | Increased | 5,353,190 | May 15, 2026 |
| BlackRock, Inc. | Increased | 3,676,259 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 3,428,541 | May 13, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 3,347,574 | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2,510,963 | Aug 12, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2,509,065 | May 15, 2026 |
| BROWN ADVISORY INC | Reduced | 2,122,332 | May 15, 2026 |
| BROWN ADVISORY INC | Reduced | 2,077,134 | Aug 14, 2026 |
| Granahan Investment Management, LLC | Increased | 1,931,182 | Aug 14, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 1,887,472 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,838,499 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,764,313 | May 15, 2026 |
| GRANAHAN INVESTMENT MANAGEMENT, LLC | Increased | 1,739,097 | May 15, 2026 |
| IMPAX ASSET MANAGEMENT GROUP PLC | Increased | 1,425,010 | May 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026