Greedy Insider
Beta Bionics, Inc. (BBNX) Insider Trades and Scores
Beta Bionics, Inc. (BBNX) insider trades: since Dec 1, 2025, Greedy Insider recorded 0 open-market buys and 47 sales on Form 4 from 8 insiders. The strongest recent filing scored 92 (Strong).
Who bought and who sold
Across the last 47 scoreable Form 4 transactions in BBNX, 0 were open-market purchases and 47 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Hopman Mark | Chief Commercial Officer | Sell | 775.0 | 13446.25 | 2026-10-14 | 62 | View |
| Hopman Mark | Chief Commercial Officer | Sell | 370.0 | 7015.2 | 2026-10-01 | 61 | View |
| Jones Christy | Director | Sell | 6430.0 | 147890.0 | 2026-09-22 | 79 | View |
| Mensinger Mike | Chief Product Officer | Sell | 2650.0 | 58300.0 | 2026-09-16 | 76 | View |
| Hopman Mark | Chief Commercial Officer | Sell | 30779.0 | 619639.75 | 2026-09-16 | 87 | View |
| Hopman Mark | Chief Commercial Officer | Sell | 775.0 | 12028.0 | 2026-09-14 | 62 | View |
| Hopman Mark | Chief Commercial Officer | Sell | 36870.0 | 680723.44 | 2026-09-09 | 92 | View |
| Saint Sean | President | Sell | 5641.0 | 113258.87 | 2026-09-03 | 80 | View |
| Russell Steven Jon | Chief Medical Officer | Sell | 4221.0 | 80676.4 | 2026-09-02 | 87 | View |
| Hopman Mark | Chief Commercial Officer | Sell | 5327.0 | 101815.484 | 2026-09-02 | 81 | View |
The strongest recent filing
Hopman Mark (Chief Commercial Officer) sold 36,870 shares of Beta Bionics, Inc. on Sep 9, 2026, a filing that scored 92 (Strong). It scored Strong because a senior insider was trading and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 5 insiders (Mensinger Mike, Hopman Mark, Saint Sean, Russell Steven Jon) traded BBNX the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Beta Bionics, Inc.'s own history
Open-market buys make up 0% of the 47 scoreable BBNX transactions on record between Dec 1, 2025 and Oct 14, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 47
- Open-market buys: 0
- Sales: 47
- Distinct insiders: 8
- Strongest recent Greediness Score: 92 (Strong)
Primary sources
Related
- Strongest filing
- BBNX in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.