Skip to content
sellWeak cluster of 410b5-1 plan

Claire Mazumdar sold $454k of BCAX

Chief Executive Officer at Bicara Therapeutics Inc.. 24,103 shares at an average of $18.83, traded Oct 16, 2025, filed Oct 20, 2025.

Warning score
22
Value
$454k
24,103 shares
Holdings after
309,892
-7% from before
From 52-week low
+114%
low $8.71, close $18.68
From 52-week high
-26%
high $25.19, as of Oct 16, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $454k at market
    +17
  • Share of holdings sold
    Sold 7.2% of holdings
    0
  • Cluster
    4 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.

BCAXOct 9, 2026 · close 17.50
Since filing Oct 20, 2025: +7.6%SPY +17.2% · excess -9.6%

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 0002034671-25-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 16, 2025MOption exercise
Common Stock10b5-1
+24,103$3.79$91k333,995Oct 20, 2025
Oct 16, 2025SOpen-market sale
Common Stock10b5-1
-24,103$18.83$454k309,892Oct 20, 2025
Oct 16, 2025MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-24,103$0.00$0277,270Oct 20, 2025

Related signals

Other insiders at Bicara Therapeutics Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
6Weak
BCAXsell10b5-1
Bicara Therapeutics Inc.
Ryan Cohlhepp
President, COO & Interim CEO
$401k
17,500 shares
-9%
5Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
David Raben
Chief Medical Officer
$104k
5,500 shares
-9%
13Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Ivan Hyep
Chief Financial Officer
$170k
9,200 shares
-6%
19Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Claire Mazumdar
Chief Executive Officer
$282k
15,000 shares
-4%
13Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Ryan Cohlhepp
President and COO
$246k
12,500 shares
-6%
26Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Claire Mazumdar
Chief Executive Officer
$705k
36,766 shares
-10%
16Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Claire Mazumdar
Chief Executive Officer
$154k
8,234 shares
-2%
19Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
David Raben
Chief Medical Officer
$306k
16,500 shares
-30%
21Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Ivan Hyep
Chief Financial Officer
$301k
16,518 shares
-10%
14Weak
BCAXsell 410b5-1
Bicara Therapeutics Inc.
Ryan Cohlhepp
President and COO
$316k
17,392 shares
-8%

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.

Claire Mazumdar sold $454k of BCAX | InsiderTell