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buyModerate cluster of 2

Mike Mensinger bought $567k of BBNX

Chief Product Officer at Beta Bionics, Inc.. 33,350 shares at an average of $17.00, traded Jan 31, 2025, filed Feb 3, 2025.

Conviction score
52
Value
$567k
33,350 shares
Holdings after
59,019
+130% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $567k at market
    +19
  • Relative to holdings
    Holdings up 130%
    +10
  • Price context
    No price history yet
    0
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 -20.6%, 3m -48.7%, 6m -27.8%.

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 Feb 3, 2025: -22.5%SPY +32.7% · excess -55.2%

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 0001415889-25-002819, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 31, 2025CConversion
Common Stock
+15,107--15,107Feb 3, 2025
Jan 31, 2025XIn-the-money exercise
Common Stock
+10,575$0.02$21225,682Feb 3, 2025
Jan 31, 2025SOpen-market sale
Common Stock
-13$17.00$22125,669Feb 3, 2025
Jan 31, 2025POpen-market purchase
Common Stock
+33,350$17.00$567k59,019Feb 3, 2025
Jan 31, 2025CConversion
Series D Preferred Stockderivative
-15,107--0Feb 3, 2025
Jan 31, 2025CConversion
Class B Common Stock Warrant (right to buy)derivative
+10,575$0.00$010,575Feb 3, 2025
Jan 31, 2025XIn-the-money exercise
Class B Common Stock Warrant (right to buy)derivative
-10,575$0.00$00Feb 3, 2025
Jan 31, 2025AGrant or award
Employee Stock Option (right to buy)derivative
+236,553$0.00$0236,553Feb 3, 2025
Jan 31, 2025AGrant or award
Employee Stock Option (right to buy)derivative
+110,278$0.00$0110,278Feb 3, 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.

Mike Mensinger bought $567k of BBNX | InsiderTell