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sellWeak cluster of 310b5-1 plan

Stephen Feider sold $170k of BBNX

Chief Financial Officer at Beta Bionics, Inc.. 10,000 shares at an average of $17.04, traded Jun 26, 2026, filed Jun 30, 2026.

Warning score
13
Value
$170k
10,000 shares
Holdings after
165,931
-6% from before
From 52-week low
+90%
low $8.86, close $16.82
From 52-week high
-47%
high $31.99, as of Jun 26, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $170k at market
    +11
  • Share of holdings sold
    Sold 5.8% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

BBNXOct 9, 2026 · close 17.63
Since filing Jun 30, 2026: +12.5%SPY +4.5% · excess +8.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002048588-26-000009, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 26, 2026MOption exercise
Common Stock10b5-1
+4,982$5.10$25k171,035Jun 30, 2026
Jun 26, 2026SOpen-market sale
Common Stock10b5-1
-5,104$17.05$87k165,931Jun 30, 2026
Jun 29, 2026MOption exercise
Common Stock10b5-1
+4,896$5.10$25k170,827Jun 30, 2026
Jun 29, 2026SOpen-market sale
Common Stock10b5-1
-4,896$17.03$83k165,931Jun 30, 2026
Jun 26, 2026MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-4,982$0.00$044,713Jun 30, 2026
Jun 29, 2026MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-4,896$0.00$039,817Jun 30, 2026

Related signals

Other insiders at Beta Bionics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
3Weak
BBNXsell 210b5-1
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$7,015
370 shares
-1%
26Weak
BBNXsell 310b5-1
Beta Bionics, Inc.
Christy Jones
director
$148k
6,430 shares
-25%
40Moderate
BBNXsell 610b5-1
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$665k
35,994 shares
-29%
40Moderate
BBNXsell 610b5-1
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$620k
30,779 shares
-35%
17Weak
BBNXsell 610b5-1
Beta Bionics, Inc.
Mike Mensinger
Chief Product Officer
$58k
2,650 shares
-1%
10Weak
BBNXsell 610b5-1
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$12k
775 shares
-1%
41Moderate
BBNXsell 610b5-1
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$681k
36,870 shares
-30%
30Weak
BBNXsell 510b5-1
Beta Bionics, Inc.
Sean Saint
President & CEO
$113k
5,641 shares
-1%
40Moderate
BBNXsell 5
Beta Bionics, Inc.
Mark Hopman
Chief Commercial Officer
$102k
5,327 shares
-4%
39Weak
BBNXsell 5
Beta Bionics, Inc.
Mike Mensinger
Chief Product Officer
$84k
4,375 shares
-2%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stephen Feider sold $170k of BBNX | InsiderTell