Steven Jon Russell is Chief Medical Officer at Beta Bionics, Inc. (BBNX). They have made 6 open-market trades across 1 company since 2025, most recently 2026-09-02.
CIK 0002051384
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 6 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| BBNX | 169,628 | $2.8M |
Shares reported on the most recent Form 4, priced at the 2026-09-03 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| BBNX | SELL | 2026-09-02 | 2026-09-03 | $19.11 | $81K | +11.8% | -4.9% | — |
| BBNX | SELL | 2026-06-02 | 2026-06-03 | $12.61 | $53K | +16.9% | +35.8% | +54.8% |
| BBNX | SELL | 2026-03-02 | 2026-03-03 | $12.36 | $13K | -10.2% | -14.2% | +10.9% |
| BBNX | SELL | 2025-12-02 | 2026-03-16 | $29.34 | $60K | +6.0% | +19.5% | +32.5% |
| BBNX | SELL | 2025-09-02 | 2025-09-04 | $18.86 | $19K | +16.6% | +9.9% | +52.2% |
| BBNX | SELL | 2025-06-02 | 2025-06-04 | $17.89 | $19K | +0.2% | -31.0% | -2.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.