Congress Trades

Coverage gap. Senate eFD: the last 13 checks failed; last successful check Oct 23. New filings from this source are not coming in. Newest Senate eFD filing on this site: 2026-10-21.

Source status

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
$0 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
  • 65Insider overlapPublic Sep 25, 2026 · traded Aug 31, 2026

    Rep. Kevin Hern (joint account) sold BSX 28 days after its CEO bought $9M

    Details
    Politician
    Kevin Hern
    Ticker
    BSX
    Asset
    Boston Scientific Corporation Common Stock (BSX)
    Tx type
    sell
    Traded
    Aug 31, 2026
    Filed
    Sep 25, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Range midpoint (estimate)
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    25
    Owner type
    joint
    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,"filing_date":"2026-08-05"}
    Days between
    28
    Opposite side
    Yes
    Public from
    Sep 25, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Sep 10, 2026 · traded Aug 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
    Traded
    Aug 18, 2026
    Filed
    Sep 10, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    23
    Owner type
    self
    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,"filing_date":"2026-08-05"}
    Days between
    15
    Opposite side
    No
    Public from
    Sep 10, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Sep 4, 2026 · traded Aug 3, 2026

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

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    buy
    Traded
    Aug 3, 2026
    Filed
    Sep 4, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    32
    Owner type
    spouse
    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,"filing_date":"2026-08-05"}
    Days between
    0
    Opposite side
    No
    Public from
    Sep 4, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Sep 4, 2026 · traded Aug 10, 2026

    Rep. Ro Khanna's dependent child bought BSX 7 days after its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    buy
    Traded
    Aug 10, 2026
    Filed
    Sep 4, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    25
    Owner type
    dependent
    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,"filing_date":"2026-08-05"}
    Days between
    7
    Opposite side
    No
    Public from
    Sep 4, 2026
    Method version
    2026-11-03
  • 65Insider overlapPublic Aug 7, 2026 · traded Jul 7, 2026

    Rep. Ro Khanna's dependent child sold BSX 27 days before its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    sell
    Traded
    Jul 7, 2026
    Filed
    Aug 7, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    31
    Owner type
    dependent
    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,"filing_date":"2026-08-05"}
    Days between
    -27
    Opposite side
    Yes
    Public from
    Aug 7, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Aug 7, 2026 · traded Jul 20, 2026

    Rep. Ro Khanna's spouse bought BSX 14 days before its CEO bought $9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFIC CORP COMMON STOCK
    Tx type
    buy
    Traded
    Jul 20, 2026
    Filed
    Aug 7, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    18
    Owner type
    spouse
    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,"filing_date":"2026-08-05"}
    Days between
    -14
    Opposite side
    No
    Public from
    Aug 7, 2026
    Method version
    2026-11-03
  • 74Exec buyPublic Aug 5, 2026 · traded Aug 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
    Traded
    Aug 3, 2026
    Shares
    186,240
    Price
    $48
    Value
    $9M
    Is 10b5 1
    No
    Filed
    Aug 5, 2026
    Public from
    Aug 5, 2026
    Method version
    2026-11-03
  • 65Insider overlapPublic Mar 9, 2026 · traded Feb 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
    Traded
    Feb 10, 2026
    Filed
    Mar 9, 2026
    Amount low
    $1,001
    Amount high
    $15,000
    Range midpoint (estimate)
    $8,001
    Disclosed range
    $1,001 - $15,000
    Reporting lag days
    27
    Owner type
    self
    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,"filing_date":"2026-02-03"}
    Days between
    8
    Opposite side
    Yes
    Public from
    Mar 9, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Mar 9, 2026 · traded Feb 5, 2026

    Rep. Ro Khanna's spouse 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
    Traded
    Feb 5, 2026
    Filed
    Mar 9, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Range midpoint (estimate)
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    32
    Owner type
    spouse
    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,"filing_date":"2026-02-03"}
    Days between
    3
    Opposite side
    No
    Public from
    Mar 9, 2026
    Method version
    2026-11-03
  • 50Insider overlapPublic Mar 9, 2026 · traded Feb 24, 2026

    Rep. Ro Khanna's dependent child sold BSX 22 days after its CEO sold $14.9M

    Details
    Politician
    Ro Khanna
    Ticker
    BSX
    Asset
    BOSTON SCIENTIFICCORP.COMMON STOCK
    Tx type
    sell
    Traded
    Feb 24, 2026
    Filed
    Mar 9, 2026
    Amount low
    $15,001
    Amount high
    $50,000
    Range midpoint (estimate)
    $32,501
    Disclosed range
    $15,001 - $50,000
    Reporting lag days
    13
    Owner type
    dependent
    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,"filing_date":"2026-02-03"}
    Days between
    22
    Opposite side
    No
    Public from
    Mar 9, 2026
    Method version
    2026-11-03

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.