Over the 90-day window ending February 19, 2026, Beta Bionics's three dominant insider ownership positions are held by TenPercentOwner Hadley Harbor Aggregator Iv, L.P. Wellington (3.90Mn shares), President & Ceo Sean Saint (97.92K shares), Chief Product Officer Mike Mensinger (80.75K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Hadley Harbor Aggregator Iv, L.P. Wellington | 3,901,599 | 03 Feb, 2025 | |
| Sean Saint | President & Ceo | 97,924 | 04 Dec, 2025 |
| Mike Mensinger | Chief Product Officer | 80,752 | 07 Jan, 2026 |
| Steven Jon Russell | Chief Medical Officer | 71,017 | 04 Sep, 2025 |
| Stephen Feider | Chief Financial Officer | 42,614 | 05 Jan, 2026 |
| Mark Hopman | Chief Commercial Officer | 31,215 | 08 Sep, 2025 |
| Gerard J Michel | 16,544 | 14 Jan, 2026 | |
| Christy Jones | 15,244 | 14 Jan, 2026 | |
| Danny L. Dearen | 15,244 | 14 Jan, 2026 | |
| Sean Carney | 15,244 | 14 Jan, 2026 | |
| Adam Lezack | 12,432 | 14 Jan, 2026 | |
| Maria Palasis | 12,432 | 14 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Jan, 2026 | Gerard J Michel | Common Stock | A | 3,997 | $0.00 | 16,544 | D | A |
| 13 Jan, 2026 | Sean Carney | Common Stock | A | 3,997 | $0.00 | 15,244 | D | A |
| 13 Jan, 2026 | Danny L. Dearen | Common Stock | A | 3,997 | $0.00 | 15,244 | D | A |
| 13 Jan, 2026 | Maria Palasis | Common Stock | A | 3,997 | $0.00 | 12,432 | D | A |
| 13 Jan, 2026 | Adam Lezack | Common Stock | A | 3,997 | $0.00 | 12,432 | D | A |
| 13 Jan, 2026 | Christy Jones | Common Stock | A | 3,997 | $0.00 | 15,244 | D | A |
| 06 Jan, 2026 | Mike Mensinger | Common Stock | D | 2,200 | $30.10 | 80,752 | D | S |
| 02 Jan, 2026 | Mike Mensinger | Common Stock | D | 600 | $30.20 | 82,952 | D | S |
| 02 Jan, 2026 | Mike Mensinger | Common Stock | D | 7,200 | $29.56 | 83,552 | D | S |
| 02 Jan, 2026 | Stephen Feider | Common Stock | D | 20,000 | $29.53 | 42,614 | D | S |
| 02 Jan, 2026 | Stephen Feider | Common Stock | A | 20,000 | $5.10 | 62,614 | D | M |
| 02 Dec, 2025 | Mike Mensinger | Common Stock | D | 1,063 | $29.34 | 90,752 | D | S |
| 02 Dec, 2025 | Stephen Feider | Common Stock | D | 1,427 | $29.34 | 42,614 | D | S |
| 02 Dec, 2025 | Sean Saint | Common Stock | D | 3,278 | $29.34 | 97,924 | D | S |
| 02 Dec, 2025 | Sean Saint | - | - | 97,924 | D | |||
| 01 Dec, 2025 | Maria Palasis | Common Stock | D | 500 | $29.96 | 8,435 | D | S |
| 01 Dec, 2025 | Maria Palasis | Common Stock | D | 906 | $29.33 | 8,935 | D | S |
| 01 Dec, 2025 | Adam Lezack | Common Stock | D | 500 | $29.91 | 8,435 | D | S |
| 01 Dec, 2025 | Adam Lezack | Common Stock | D | 906 | $29.35 | 8,935 | D | S |
| 31 Oct, 2025 | Maria Palasis | Common Stock | D | 1,287 | $26.86 | 9,960 | D | S |