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Insider Cluster (5 insiders) ·Filed Sep 3, 2026

BBNX

Beta Bionics, Inc.
BEARISH
Impact 5/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $182K total
Actionable Insight ▼ Bearish

The synchronized sale by the entire C-suite at a uniform price is a strong bearish signal, despite the small dollar amount relative to market cap. Traders should monitor for an upcoming earnings miss, regulatory setback, or negative clinical data.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+20d ⚠ clustered
BBNX ▼ -2.42% at T+20d
SHORT call ✓ call won +2.42% · α vs SPY +3.02% · entry $19.42 → $18.95
Next anchor: T+60d in 5w
Latest observation: T+35 -8.00% FF3 residual α
Entry = T+0 close
Sep 3, 2026
via day close
T+1d
-0.46%
call +0.46% · α -0.09%
$19.33
settled 8w ago
T+5d
-13.85%
call +13.85% · α +12.64%
$16.73
settled 7w ago
T+20d
-2.42%
call +2.42% · α +3.02%
$18.95
settled 25d ago
T+60d
Pending
in 5w

Price Chart

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Executive Summary

Five top executives at Beta Bionics, including the CEO and CFO, sold shares on the same day at the same price ($19.11), totaling $716K. This synchronized selling by the entire C-suite is a bearish signal, as it suggests a coordinated decision to reduce exposure ahead of potential negative news, despite the company's strong analyst consensus. The total value represents ~0.08% of market cap, which is below the 0.1% materiality threshold, but the cluster's composition and uniformity amplify its significance.

Key Financial Metrics

Direction
selling
Total Value
$716.0K
Insiders
5

Key Facts

  • CEO Sean Saint sold 16,867 shares for $322K
  • CFO Stephen Feider sold 6,675 shares for $128K
  • Chief Product Officer Mike Mensinger sold 4,375 shares for $84K
  • Chief Medical Officer Steven Jon Russell sold 4,221 shares for $81K
  • Chief Commercial Officer Mark Hopman sold 5,327 shares for $102K
  • All five sales occurred on 2026-09-02 at the same price of $19.11
  • Total insider sales in this cluster: $716K, representing ~0.08% of $873M market cap
  • Recent 30-day insider activity: 5 sells totaling $716K (this cluster)
  • Analyst consensus is 76% bullish with 13 buy/7 hold ratings

Financial Impact

Total insider sales of $716K, representing 0.08% of market cap

insider ownership

Risk Factors

  • Potential negative catalyst (earnings miss, regulatory delay, clinical trial failure)
  • Uniform pricing suggests a pre-arranged plan, possibly tied to a lockup expiration or 10b5-1 plan

Market Snapshot

Exchange
Nasdaq
Sector
Surgical & Medical Instruments & Apparatus
Analyst Consensus
76% bullish (17 analysts)

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-1788474028677
22 reports for BBNX
Performance horizon
50% Hit rate @ T+20 4 of 8 directional calls Went positive at some point 7 of 8 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 3, 2026