Feider Stephen (CIK 2048588) reported 33 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy BBNX (5,104 shares), Sell BBNX (5,104 shares), Buy BBNX (4,896 shares), Sell BBNX (4,896 shares), Buy BBNX (4,982 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 5,104 | $26,030 |
| 2026-07-02 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 5,104 | $87,006 |
| 2026-07-02 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 4,896 | $24,970 |
| 2026-07-02 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 4,896 | $83,381 |
| 2026-06-30 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 4,982 | $25,408 |
| 2026-06-30 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 5,104 | $87,006 |
| 2026-06-30 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 4,896 | $24,970 |
| 2026-06-30 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 4,896 | $83,381 |
| 2026-06-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 6,676 | $84,165 |
| 2026-03-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 131,543 | $0 |
| 2026-03-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 1,428 | $17,650 |
| 2026-01-05 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 20,000 | $102,000 |
| 2026-01-05 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 20,000 | $590,600 |
| 2025-12-04 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 1,427 | $41,868 |
| 2025-10-07 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 4,982 | $25,408 |
| 2025-10-07 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 3,828 | $82,379 |
| 2025-10-07 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 1,154 | $25,711 |
| 2025-10-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 15,018 | $76,592 |
| 2025-10-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 14,918 | $309,698 |
| 2025-10-03 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 100 | $2,108 |
| 2025-09-09 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 9,900 | $50,490 |
| 2025-09-09 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 9,900 | $209,187 |
| 2025-09-08 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Buy | 100 | $510 |
| 2025-09-08 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 100 | $2,100 |
| 2025-09-04 | Beta Bionics, Inc. (BBNX) | Chief Financial Officer | Sell | 1,462 | $27,573 |
Source: SEC Form 4 filings · as of 2026-07-02