Congress Trades

Michael F MahoneyFiled

Chairman, President & CEOExecutiveDirectorCIK 1533022
Net · 12 months
-$6M
Open-market buys − sales
Sold · 12 months
$15M
$0 in 90d · 12 sales on record
Bought · 12 months
$9M
$9M in 90d · 3 buys on record
Under 10b5-1
100%
Share of sale value under a trading plan
Last trade
Aug 3, 2026
Filed Aug 5, 2026 · 112 rows

Monthly open-market value · 24 months Filed

  • Bought (open market)
  • Sold (open market)

Unusual activity Estimated

Whale score 90Whale watch
  • 50Insider overlapAug 18, 2026

    Rep. Gilbert Ray Cisneros, Jr. bought BSX 15 days after its CEO bought $9M

    Details
    Politician
    Gilbert Ray Cisneros, Jr.
    Ticker
    BSX
    Asset
    Boston Scientific Corporation Common Stock (BSX)
    Tx type
    buy
    Tx date
    Aug 18, 2026
    Filing date
    Sep 10, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    23
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_buy","tx_date":"2026-08-03","shares":186240,"price":48.3323,"value":9001407.55,"is_10b5_1":false}
    Days between
    15
    Opposite side
    No
  • 50Insider overlapAug 10, 2026

    Rep. Ro Khanna bought BSX 7 days after its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    buy
    Tx date
    Aug 10, 2026
    Filing date
    Sep 4, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    25
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_buy","tx_date":"2026-08-03","shares":186240,"price":48.3323,"value":9001407.55,"is_10b5_1":false}
    Days between
    7
    Opposite side
    No
  • 74Exec buyAug 3, 2026

    BSX CEO Michael F Mahoney bought $9M on the open market

    Details
    Insider
    Michael F Mahoney
    Company
    BOSTON SCIENTIFIC CORP
    Ticker
    BSX
    Tx kind
    open_market_buy
    Tx date
    Aug 3, 2026
    Shares
    186,240
    Price
    $48
    Value
    $9M
    Is 10b5 1
    No
  • 50Insider overlapAug 3, 2026

    Rep. Ro Khanna bought BSX the same day its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    buy
    Tx date
    Aug 3, 2026
    Filing date
    Sep 4, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    32
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_buy","tx_date":"2026-08-03","shares":186240,"price":48.3323,"value":9001407.55,"is_10b5_1":false}
    Days between
    0
    Opposite side
    No
  • 65Insider overlapJul 7, 2026

    Rep. Ro Khanna sold BSX 27 days before its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    sell
    Tx date
    Jul 7, 2026
    Filing date
    Aug 7, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    31
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_buy","tx_date":"2026-08-03","shares":186240,"price":48.3323,"value":9001407.55,"is_10b5_1":false}
    Days between
    -27
    Opposite side
    Yes
  • 65Insider overlapFeb 10, 2026

    Rep. Gilbert Ray Cisneros, Jr. bought BSX 8 days after its CEO sold $14.9M

    Details
    Politician
    Gilbert Ray Cisneros, Jr.
    Ticker
    BSX
    Asset
    Boston Scientific Corporation Common Stock (BSX)
    Tx type
    buy
    Tx date
    Feb 10, 2026
    Filing date
    Mar 9, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    27
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_sale","tx_date":"2026-02-02","shares":159701,"price":93.4905,"value":14930526.34,"is_10b5_1":true}
    Days between
    8
    Opposite side
    Yes
  • 50Insider overlapFeb 5, 2026

    Rep. Ro Khanna partially sold BSX 3 days after its CEO sold $14.9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP. COMMON STOCK
    Tx type
    partial_sale
    Tx date
    Feb 5, 2026
    Filing date
    Mar 9, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Amount mid
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    32
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_sale","tx_date":"2026-02-02","shares":159701,"price":93.4905,"value":14930526.34,"is_10b5_1":true}
    Days between
    3
    Opposite side
    No
  • 32Exec saleFeb 2, 2026

    BSX CEO Michael F Mahoney sold $14.9M (10b5-1 plan)

    Details
    Insider
    Michael F Mahoney
    Company
    BOSTON SCIENTIFIC CORP
    Ticker
    BSX
    Tx kind
    open_market_sale
    Tx date
    Feb 2, 2026
    Shares
    159,701
    Price
    $93
    Value
    $14.9M
    Is 10b5 1
    Yes
  • 65Insider overlapJan 30, 2026

    Rep. Gilbert Ray Cisneros, Jr. bought BSX 3 days before its CEO sold $14.9M

    Details
    Politician
    Gilbert Ray Cisneros, Jr.
    Ticker
    BSX
    Asset
    Boston Scientific Corporation Common Stock (BSX)
    Tx type
    buy
    Tx date
    Jan 30, 2026
    Filing date
    Feb 13, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    14
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_sale","tx_date":"2026-02-02","shares":159701,"price":93.4905,"value":14930526.34,"is_10b5_1":true}
    Days between
    -3
    Opposite side
    Yes
  • 50Insider overlapJan 6, 2026

    Rep. Ro Khanna partially sold BSX 27 days before its CEO sold $14.9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP.COMMON STOCK
    Tx type
    partial_sale
    Tx date
    Jan 6, 2026
    Filing date
    Feb 6, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Amount mid
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    31
    Is whale
    No
    Insider trade
    {"insider":{"slug":"michael-f-mahoney","name":"Michael F Mahoney","title":"Chairman, President & CEO","short_title":"CEO"},"company":"BOSTON SCIENTIFIC CORP","ticker":"BSX","tx_kind":"open_market_sale","tx_date":"2026-02-02","shares":159701,"price":93.4905,"value":14930526.34,"is_10b5_1":true}
    Days between
    -27
    Opposite side
    No

Transactions

Independent third-party platform; not affiliated with or endorsed by any member of Congress. Data sourced from publicly available filings and records. Portfolio, holdings, returns, and allocations are estimates and may differ from actual values. Informational and educational only; not investment advice. Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4; the whale score is a model ranking of that filed activity.