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sellWeak cluster of 510b5-1 plan

Mark Hopman sold $371k of BBNX

Chief Commercial Officer at Beta Bionics, Inc.. 18,229 shares at an average of $20.34, traded Sep 4, 2025, filed Sep 8, 2025.

Warning score
20
Value
$371k
18,229 shares
Holdings after
31,215
-48% from before
From 52-week low
+107%
low $9.71, close $20.10
From 52-week high
-16%
high $23.81, as of Sep 4, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $371k at market
    +15
  • Share of holdings sold
    Sold 48% of holdings
    +10
  • Cluster
    5 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.

This signal so far: 1m -4.3%, 3m +22.4%, 6m -53.0%.

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 12, 2026 · close 17.86
Since filing Sep 8, 2025: -22.8%SPY +21.5% · excess -44.3%

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 0001415889-25-023899, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 4, 2025MOption exercise
Common Stock10b5-1
+656$5.10$3,34633,940Sep 8, 2025
Sep 4, 2025MOption exercise
Common Stock10b5-1
+4,093$5.10$21k38,033Sep 8, 2025
Sep 4, 2025SOpen-market sale
Common Stock10b5-1
-6,818$19.97$136k31,215Sep 8, 2025
Sep 5, 2025MOption exercise
Common Stock10b5-1
+11,411$5.10$58k42,626Sep 8, 2025
Sep 5, 2025SOpen-market sale
Common Stock10b5-1
-11,411$20.56$235k31,215Sep 8, 2025
Sep 4, 2025MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-656$0.00$066,428Sep 8, 2025
Sep 4, 2025MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-4,093$0.00$033,136Sep 8, 2025
Sep 5, 2025MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-11,411$0.00$021,725Sep 8, 2025

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.

Mark Hopman sold $371k of BBNX | InsiderTell