🕵️ Si-Bone, Inc. ($SIBN)
SEC insider & ownership activity, last 12 months · CIK 1459839 · every row links its SEC filing
Over the last 12 months insiders sold $10.7M with no open-market buying against it. Francis Laura sold $3.9M (Nov–Aug). 2 planned sales are pending, the largest $1.0M (David & Laura Francis Joint REV TRU/A DTD 01/03/2003). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $10.7M (105 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Francis Laura | 0 | – | 27 | $3.9M | Aug 24, 2026 |
| Jeffrey W. Dunn | 0 | – | 12 | $3.1M | Sep 1, 2026 |
| Maheshwari Anshul | 0 | – | 27 | $1.8M | Aug 24, 2026 |
| Michael A. Pisetsky | 0 | – | 25 | $1.1M | Aug 17, 2026 |
| Anthony J. Recupero | 0 | – | 11 | $510K | Feb 17, 2026 |
| Timothy E. Davis Jr. | 0 | – | 2 | $104K | May 29, 2026 |
| Nishimura Mika | 0 | – | 1 | $57K | Mar 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Mathew P. Arens | 18.4% | 13G | May 7, 2026 | filing ↗ | |
| First Light Asset Management, LLC | 18.0% | 13G | May 7, 2026 | filing ↗ | |
| BlackRock, Inc. | 8.0% | 13G | Jul 30, 2026 | filing ↗ | |
| Cadian Capital Management, LP | 7.5% | 13G | Aug 14, 2026 | filing ↗ | |
| Cadian Capital Management GP, LLC | 7.5% | 13G | Aug 14, 2026 | filing ↗ | |
| Eric Bannasch | 7.5% | 13G | Aug 14, 2026 | filing ↗ | |
| Brown Advisory Inc | 5.8% | 13G | Feb 13, 2026 | filing ↗ | |
| Brown Advisory LLC | 5.8% | 13G | Feb 13, 2026 | filing ↗ | |
| American Century Investment Management, Inc. | 5.3% | 13G | Feb 13, 2026 | filing ↗ | |
| American Century Companies, Inc. | 5.3% | 13G | Feb 13, 2026 | filing ↗ | |
| Stowers Institute for Medical Research | 5.3% | 13G | Feb 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Anshul Maheshwari | $232K | Aug 24, 2026 | filing ↗ |
| David & Laura Francis Joint REV TRU/A DTD 01/03/2003 | $518K | Aug 24, 2026 | filing ↗ |
| David & Laura Francis Joint REV TRU/A DTD 01/03/2003 | $76K | Aug 21, 2026 | filing ↗ |
| Anshul Maheshwari | $219K | Aug 21, 2026 | filing ↗ |
| David & Laura Francis Joint REV TRU/A DTD 01/03/2003 | $1.0M | Aug 20, 2026 | filing ↗ |
| Anshul Maheshwari | $110K | Aug 19, 2026 | filing ↗ |
| The Jeffrey W DUNN Living Trust DTD 05/17/2012 | $1.4M | Aug 3, 2026 | filing ↗ |
| Timothy E. Davis Jr. | $49K | May 29, 2026 | filing ↗ |
| Mika Nishimura | $57K | Mar 12, 2026 | filing ↗ |
| The Jeffrey W. DUNN Living Trust | $1.3M | Jan 8, 2026 | filing ↗ |
| Anshul Maheshwari | $31K | Jan 2, 2026 | filing ↗ |
| The Jeffrey W. DUNN Living Trust | $394K | Dec 8, 2025 | filing ↗ |
| Michael Pisetsky Separate Property Trust | $374K | Nov 21, 2025 | filing ↗ |
| Anshul Maheshwari | $371K | Nov 21, 2025 | filing ↗ |
| David & Laura Francis Joint REV TR U/A DTD 01/03/2003 | $97K | Nov 18, 2025 | filing ↗ |
| Daniel Wolf | $260K | Nov 12, 2025 | filing ↗ |
| The Jeffrey W. DUNN Living Trust | $1.3M | Nov 11, 2025 | filing ↗ |
| Anshul Maheshwari | $41K | Nov 11, 2025 | filing ↗ |
| David & Laura Francis Joint REV TR U/A DTD 01/03/2003 | $85K | Nov 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Aug 21, 2026 | filing ↗ |
| New financial obligation (2.03) | Aug 21, 2026 | filing ↗ |
| Other events (8.01) | Aug 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 21, 2026 | filing ↗ |
| Earnings (2.02) | Aug 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 3, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 4, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 4, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 20, 2026 | filing ↗ |
| Earnings (2.02) | Feb 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 20, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |