BBNX insider buying – Beta Bionics, Inc.
2 insider purchases since 2016 worth $17.6M by 2 different insiders. Last 12 months: 0 purchases, $0. Most recent filing: 2025-02-03.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Wellington Hadley Harbor Aggregator IV, L.P. 10% Owner | $17.0M 1× · 1,000,000 sh | 2025-01-31 2025-01-31 | – | 3,901,599 shares as of 2025-02-03 | Holds - never sold |
| Mensinger Mike Officer | $566,950 1× · 33,350 sh | 2025-01-31 2025-01-31 | 5× · $494,285 last 2026-09-16 | 177,390 shares as of 2026-09-17 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 0 | – | – | 20 | $4.0M |
| 2025 | 2 | $17.6M | 2 | 10 | $1.7M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2025-02-03 | Wellington Hadley Harbor Aggregator IV, L.P. | 10% Owner | 1,000,000 | $17.00 | $17.0M | +34.5% | SEC |
| 2025-02-03 | Mensinger Mike | Officer | 33,350 | $17.00 | $566,950 | +129.9% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-23 | Jones Christy | Director | 6,430 | $23.00 | $147,890 | Pre-planned (10b5-1) | SEC |
| 2026-09-17 | Mensinger Mike | Officer | 2,650 | $22.00 | $58,300 | Pre-planned (10b5-1) | SEC |
| 2026-09-17 | Hopman Mark | Officer | 30,779 | $20.13 | $619,581 | Pre-planned (10b5-1) | SEC |
| 2026-09-10 | Hopman Mark | Officer | 36,870 | $18.46 | $680,620 | Pre-planned (10b5-1) | SEC |
| 2026-09-04 | Saint Sean | CEO | 5,641 | $20.08 | $113,271 | Pre-planned (10b5-1) | SEC |
| 2026-09-03 | Saint Sean | CEO | 16,867 | $19.11 | $322,328 | Sale | SEC |
| 2026-09-03 | Russell Steven Jon | Officer | 4,221 | $19.11 | $80,663 | Sale | SEC |
| 2026-09-03 | Mensinger Mike | Officer | 4,375 | $19.11 | $83,606 | Sale | SEC |
| 2026-09-03 | Hopman Mark | Officer | 5,327 | $19.11 | $101,799 | Sale | SEC |
| 2026-09-03 | Feider Stephen | CFO | 6,675 | $19.11 | $127,559 | Sale | SEC |
| 2026-06-30 | Feider Stephen | CFO | 10,000 | $17.04 | $170,402 | Pre-planned (10b5-1) | SEC |
| 2026-06-03 | Saint Sean | CEO | 16,872 | $12.61 | $212,756 | Sale | SEC |
| 2026-06-03 | Russell Steven Jon | Officer | 4,222 | $12.61 | $53,239 | Sale | SEC |
| 2026-06-03 | Mensinger Mike | Officer | 4,378 | $12.61 | $55,207 | Sale | SEC |
| 2026-06-03 | Hopman Mark | Officer | 5,329 | $12.61 | $67,199 | Sale | SEC |
Showing the latest 15 of 30 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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