SI-BONE, Inc. (SIBN) Insider Trading
Over the last 3 months, SIBN insiders made 0 open-market buys and 22 sales, a net sale of -$3.1M (SEC Form 4). Over the last 6 months, 148 institutions increased and 118 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
22
Net (3m)
-$3.1M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +36.4%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 25,972 | $20.12 |
| Aug 26, 2026 | Maheshwari Anshulofficer: Chief Op & Financial Officer | Sell | 11,636 | $20.11 |
| Aug 21, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 51,884 | $19.46 |
| Aug 21, 2026 | Maheshwari Anshulofficer: Chief Op & Financial Officer | Sell | 5,747 | $19.55 |
| Aug 21, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 3,923 | $20.02 |
| Aug 21, 2026 | Maheshwari Anshulofficer: Chief Op & Financial Officer | Sell | 11,228 | $20.02 |
| Aug 18, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 3,652 | $18.66 |
| Aug 18, 2026 | PISETSKY MICHAEL A.officer: SVP, Ops & Adm/Chief Legal Ofr | Sell | 1,854 | $18.62 |
| Aug 18, 2026 | Maheshwari Anshulofficer: Chief Financial Officer | Sell | 2,189 | $18.62 |
| Aug 18, 2026 | Maheshwari Anshulofficer: Chief Financial Officer | Sell | 2,476 | $18.68 |
| Aug 18, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 1,973 | $18.63 |
| Aug 18, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 2,236 | $18.68 |
| Aug 18, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 3,203 | $18.66 |
| Aug 18, 2026 | PISETSKY MICHAEL A.officer: SVP, Ops & Adm/Chief Legal Ofr | Sell | 1,871 | $18.65 |
| Aug 18, 2026 | FRANCIS LAURAdirector, officer: Chief Executive Officer | Sell | 3,892 | $18.66 |
| Aug 5, 2026 | DUNN JEFFREY Wdirector | Option | 20,000 | $4.68 |
| Aug 5, 2026 | DUNN JEFFREY Wdirector | Sell | 20,000 | $18.46 |
| Jul 6, 2026 | Maheshwari Anshulofficer: Chief Financial Officer | Sell | 1,757 | $16.80 |
| Jul 6, 2026 | PISETSKY MICHAEL A.officer: SVP, Ops & Adm/Chief Legal Ofr | Sell | 34 | $16.86 |
| Jul 6, 2026 | PISETSKY MICHAEL A.officer: SVP, Ops & Adm/Chief Legal Ofr | Sell | 1,301 | $16.73 |
| Jul 6, 2026 | PISETSKY MICHAEL A.officer: SVP, Ops & Adm/Chief Legal Ofr | Sell | 1,799 | $16.70 |
| Jul 6, 2026 | Maheshwari Anshulofficer: Chief Financial Officer | Sell | 1,560 | $16.73 |
| Jun 9, 2026 | HILLEMAN JERYL Ldirector | Grant | 10,957 | — |
| Jun 8, 2026 | Freund John Gordondirector | Grant | 10,957 | — |
| Jun 8, 2026 | Davis Timothy E JRdirector | Grant | 10,957 | — |
| Jun 8, 2026 | DUNN JEFFREY Wdirector | Grant | 10,957 | — |
| Jun 8, 2026 | West Thomas A.director | Grant | 10,957 | — |
| Jun 8, 2026 | Nishimura Mikadirector | Grant | 10,957 | — |
| Jun 8, 2026 | DUNN JEFFREY Wdirector | Sell | 3,575 | $15.25 |
| Jun 1, 2026 | Davis Timothy E JRdirector | Option | 12,064 | $4.32 |
Source: SIBN SEC Form 4 filings, latest Aug 26, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SIBN positions over the last 6 months (SEC Form 13F).
Increased
148
New positions
54
Reduced
118
Sold out
27
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| First Light Asset Management, LLC | Increased | 8.1M | Aug 14, 2026 |
| FIRST LIGHT ASSET MANAGEMENT, LLC | Increased | 5.4M | May 15, 2026 |
| BlackRock, Inc. | Increased | 3.7M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 3.4M | May 13, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 3.3M | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2.5M | Aug 12, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2.5M | May 15, 2026 |
| BROWN ADVISORY INC | Reduced | 2.1M | May 15, 2026 |
| BROWN ADVISORY INC | Reduced | 2.1M | Aug 14, 2026 |
| Granahan Investment Management, LLC | Increased | 1.9M | Aug 14, 2026 |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 1.9M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.8M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.8M | May 15, 2026 |
| GRANAHAN INVESTMENT MANAGEMENT, LLC | Increased | 1.7M | May 15, 2026 |
| IMPAX ASSET MANAGEMENT GROUP PLC | Increased | 1.4M | May 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.