Updated Jul 16, 2026 · Last SEC filing 2026-07-02
Beta Bionics, Inc. (BBNX) has filed 17 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 3 Form 8-K material event filings were reported by BBNX in the last 90 days. 13 Form 144 notices of proposed sale were filed for BBNX stock. InsiderAlpha tracks every BBNX 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 | 0001674632 |
| Form 4 filings (90d) | 17 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 13 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Feider Stephen | Chief Financial Officer | S — Open-market sale | 4.9K | $17.03 | $83K | SEC | |
| Feider Stephen | Chief Financial Officer | M — Option exercise | 4.9K | $5.10 | $25K | SEC | |
| Feider Stephen | Chief Financial Officer | S — Open-market sale | 4.9K | $17.03 | $83K | SEC | |
| Feider Stephen | Chief Financial Officer | M — Option exercise | 4.9K | $5.10 | $25K | SEC | |
| Feider Stephen | Chief Financial Officer | M — Option exercise | 5.0K | $5.10 | $25K | SEC | |
| Feider Stephen | Chief Financial Officer | S — Open-market sale | 5.1K | $17.05 | $87K | SEC | |
| Feider Stephen | Chief Financial Officer | S — Open-market sale | 5.1K | $17.05 | $87K | SEC | |
| Feider Stephen | Chief Financial Officer | M — Option exercise | 5.1K | $5.10 | $26K | SEC | |
| Hopman Mark | Chief Commercial Officer | S — Open-market sale | 1.3K | $15.01 | $19K | SEC | |
| Jones Christy | Insider | S — Open-market sale | 1.4K | $15.00 | $21K | SEC | |
| Hopman Mark | Chief Commercial Officer | S — Open-market sale | 275 | $12.31 | $3K | SEC | |
| Jones Christy | Insider | S — Open-market sale | 2.8K | $14.00 | $39K | SEC | |
| Feider Stephen | Chief Financial Officer | S — Open-market sale | 6.7K | $12.61 | $84K | SEC | |
| Mensinger Mike | Chief Product Officer | S — Open-market sale | 4.4K | $12.61 | $55K | SEC | |
| Saint Sean | President & CEO | S — Open-market sale | 16.9K | $12.61 | $213K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Beta Bionics, Inc. (BBNX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Feider Stephen | 13 | $526K |
| Jones Christy | 4 | $80K |
| Hopman Mark | 3 | $89K |
| Lezack Adam | 3 | $21K |
| Russell Steven Jon | 1 | $53K |
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 BBNX 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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