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sellWeak10b5-1 plan

Michael F Mahoney sold $15M of BSX

Chairman, President & CEO at BOSTON SCIENTIFIC CORP. 160,901 shares at an average of $93.49, traded Feb 2, 2026, filed Feb 3, 2026.

Warning score
20
Value
$15M
160,901 shares
Holdings after
1,411,735
-10% from before
From 52-week low
+4%
low $88.07, close $91.87
From 52-week high
-15%
high $108.14, as of Feb 2, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $15.0M at market
    +25
  • Share of holdings sold
    Sold 10% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

BSXOct 9, 2026 · close 42.73
Since filing Feb 3, 2026: -53.4%SPY +13.8% · excess -67.2%

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 0001225208-26-001156, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 2, 2026MOption exercise
Common Stock10b5-1
+49,407$24.55$1.2M1,526,289Feb 3, 2026
Feb 2, 2026MOption exercise
Common Stock10b5-1
+46,347$27.09$1.3M1,572,636Feb 3, 2026
Feb 2, 2026SOpen-market sale
Common Stock10b5-1
-1,200$94.06$113k1,571,436Feb 3, 2026
Feb 2, 2026SOpen-market sale
Common Stock10b5-1
-159,701$93.49$15M1,411,735Feb 3, 2026
Feb 2, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-46,347$0.00$0231,739Feb 3, 2026
Feb 2, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-49,407$0.00$098,814Feb 3, 2026

Related signals

Other insiders at BOSTON SCIENTIFIC CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
25Weak
BSXsell10b5-1
BOSTON SCIENTIFIC CORP
Arthur C Butcher
EVP& Grp Pres, MedSurg & APAC
$1.8M
17,313 shares
-42%
38Weak
BSXsell 210b5-1
BOSTON SCIENTIFIC CORP
Ellen M Zane
director
$1.3M
12,891 shares
-35%
18Weak
BSXsell 210b5-1
BOSTON SCIENTIFIC CORP
Joseph Michael Fitzgerald
EVP & Group Pres, Cardiology
$5.0M
50,000 shares
-22%
38Weak
BSXsell 210b5-1
BOSTON SCIENTIFIC CORP
Ellen M Zane
director
$1.3M
12,891 shares
-35%
10Weak
BSXsell10b5-1
BOSTON SCIENTIFIC CORP
Joseph Michael Fitzgerald
EVP & Group Pres, Cardiology
$4.9M
50,000 shares
-22%
10Weak
BSXsell10b5-1
BOSTON SCIENTIFIC CORP
Joseph Michael Fitzgerald
EVP & Group Pres, Cardiology
$5.3M
50,000 shares
-22%
40Moderate
BSXsell 410b5-1
BOSTON SCIENTIFIC CORP
Arthur C Butcher
EVP& Grp Pres, MedSurg & APAC
$1.8M
17,313 shares
-42%
25Weak
BSXsell 410b5-1
BOSTON SCIENTIFIC CORP
Joseph Michael Fitzgerald
EVP & Group Pres, Cardiology
$5.2M
50,000 shares
-22%
64Notable
BSXsell 4
BOSTON SCIENTIFIC CORP
Yoshiaki Fujimori
director
$310k
2,901 shares
-58%
51Moderate
BSXsell 4
BOSTON SCIENTIFIC CORP
Edward J Ludwig
director
$424k
4,000 shares
-18%

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.

Michael F Mahoney sold $15M of BSX | InsiderTell