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Insider Cluster (2 insiders) ·Filed Sep 17, 2026

BBNX

Beta Bionics, Inc.
NEUTRAL
Impact 4/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $678K total
Actionable Insight • Neutral

The sales are small and clustered on a single day, which may reflect routine portfolio diversification rather than negative information. Monitor for any subsequent 8-K or earnings release that could explain the timing, but the low dollar amount relative to market cap suggests limited immediate read-through.

DirectionNeutral
Confidencemedium
Horizondays
Latest settled — T+20d ⚠ clustered
BBNX ▼ -25.31% at T+20d
NEUTRAL call -25.31% · α vs SPY -25.51% · entry $21.89 → $16.35
Next anchor: T+60d in 7w
Latest observation: T+25 -26.59% FF3 residual α
Entry = T+0 close
Sep 18, 2026
via day close
T+1d
+0.69%
call +0.69% · α -0.87%
$22.04
settled 5w ago
T+5d
-1.74%
call -1.74% · α -3.00%
$21.51
settled 5w ago
T+20d
-25.31%
call -25.31% · α -25.51%
$16.35
settled 11d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

Two Beta Bionics insiders, the Chief Commercial Officer and Chief Product Officer, executed open-market sales totaling $678K on September 16, 2026. The CCO's sale of $620K is the dominant trade, but the total is ~0.2% of a ~$326M market cap — modest in scale. The cluster is small and lacks a clear informational signal, especially given the company's volatile history and the model's poor track record on directional calls for this ticker.

Key Financial Metrics

Direction
selling
Total Value
$678.0K
Insiders
2

Key Facts

  • Chief Commercial Officer Mark Hopman sold 30,800 shares at $20.13 for $620K on September 16, 2026.
  • Chief Product Officer Mike Mensinger sold 2,600 shares at $22.00 for $58K on September 16, 2026.
  • Total insider sales of $678K represent approximately 0.2% of market cap.
  • Both sales are open-market (code S) with no 10b5-1 plan indication in the provided data.
  • The cluster is small (2 insiders, 1 day) and the dollar value is modest relative to market cap.

Financial Impact

Total insider sales of $678K, approximately 0.2% of market cap.

insider ownership

Risk Factors

  • Insider sales could signal management's lack of confidence if followed by larger or more frequent sales.

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-BBNX-1789709382535
22 reports for BBNX
Performance horizon
56% Hit rate @ T+20 5 of 9 directional calls Went positive at some point 8 of 9 best @ T+60▲ +41.72%Apr 21, 2026
Filters
Rows
Reports for BBNX — sortable, filterable
TypeNow
Oct 7, 2026
19d ago
SC 13G
NEUTRAL ★ 4/10
$18.08awaiting T+20—$20.51 (+13.44%)
Sep 23, 2026
4w ago
Insider Cluster
BEARISH ★ 4/10
$21.76 $19.34▲ +11.12%▲ +10.70%$20.51 (+5.74%)
Sep 18, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$22.04 $16.84▲ +23.59%▲ +22.69%$20.51 (+6.94%)
Sep 17, 2026
5w ago
Press Release
NEUTRAL ★ 5/10
$21.89 $16.35▼ −25.31%▼ −25.51%$20.51 (−6.30%)
Sep 17, 2026
5w ago
Insider Cluster
NEUTRAL ★ 4/10
$21.89 $16.35▼ −25.31%▼ −25.51%$20.51 (−6.30%)
Sep 15, 2026
5w ago
Press Release
BEARISH ★ 6/10
$22.18 $16.87▲ +23.94%▲ +26.00%$20.51 (+7.53%)
Sep 15, 2026
5w ago
8-K
BULLISH ★ 7/10
$22.18 $16.87▼ −23.94%▼ −26.00%$20.51 (−7.53%)
Sep 15, 2026
5w ago
Press Release
BEARISH ★ 6/10
$22.18 $16.87▲ +23.94%▲ +26.00%$20.51 (+7.53%)
Sep 14, 2026
6w ago
Press Release
MIXED ★ 7/10
$16.73 $17.86▲ +6.75%▲ +4.49%$20.51 (+22.59%)
Sep 10, 2026
6w ago
Insider Cluster
BEARISH ★ 5/10
$16.57 $17.63▼ −6.40%▼ −4.53%$20.51 (−23.78%)
Showing 10 of 22

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Report published Sep 17, 2026