Updated Jul 16, 2026 · Last SEC filing 2026-07-06
SI-BONE, Inc. (SIBN) has filed 13 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-06. 2 Form 8-K material event filings were reported by SIBN in the last 90 days. 1 Form 144 notices of proposed sale were filed for SIBN stock. InsiderAlpha tracks every SIBN SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
|---|---|
| SEC CIK | 0001459839 |
| Form 4 filings (90d) | 13 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-07-06 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| PISETSKY MICHAEL A. | SVP, Ops & Adm/Chief Legal Ofr | S — Open-market sale | 1.8K | $16.70 | $30K | SEC | |
| Maheshwari Anshul | Chief Financial Officer | S — Open-market sale | 1.6K | $16.73 | $26K | SEC | |
| PISETSKY MICHAEL A. | SVP, Ops & Adm/Chief Legal Ofr | S — Open-market sale | 34 | $16.86 | $573 | SEC | |
| PISETSKY MICHAEL A. | SVP, Ops & Adm/Chief Legal Ofr | S — Open-market sale | 1.3K | $16.73 | $22K | SEC | |
| Maheshwari Anshul | Chief Financial Officer | S — Open-market sale | 1.8K | $16.80 | $30K | SEC | |
| DUNN JEFFREY W | Insider | S — Open-market sale | 3.6K | $15.25 | $55K | SEC | |
| Davis Timothy E JR | Insider | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| HILLEMAN JERYL L | Director | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| Freund John Gordon | Insider | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| West Thomas A. | Insider | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| DUNN JEFFREY W | Insider | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| Nishimura Mika | Insider | A — Grant or award | 11.0K | $0.00 | — | SEC | |
| Davis Timothy E JR | Insider | S — Open-market sale | 3.5K | $14.14 | $49K | SEC | |
| Davis Timothy E JR | Insider | M — Option exercise | 12.1K | $4.32 | $52K | SEC | |
| Davis Timothy E JR | Insider | S — Open-market sale | 3.8K | $14.47 | $55K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for SI-BONE, Inc. (SIBN). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| PISETSKY MICHAEL A. | 5 | $107K |
| Davis Timothy E JR | 5 | $156K |
| FRANCIS LAURA | 5 | $220K |
| Maheshwari Anshul | 4 | $124K |
| DUNN JEFFREY W | 3 | $59K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SIBN insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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