BSXBoston Scientific Corporation
Healthcare · Medical DevicesNYSEStockMkt cap $65.6B
Disclosed trades
118
0 in 30d · 5 in 90d
Politicians
17
Last trade Aug 18, 2026
Buys
52
$915K at range midpoints
Sells
57
$804K at range midpoints
Closing price · 365 days
Sep 24, 2025 – Sep 23, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade |
|---|---|---|---|---|---|---|---|
| RMichael T. McCaul | House · TX-10 | 26 | 12 | 7 | $411.5K | $306K | Mar 27, 2026 |
| DRo Khanna | House · CA-17 | 25 | 14 | 9 | $104K | $121K | Aug 10, 2026 |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 18 | 9 | 9 | $72K | $72K | Aug 18, 2026 |
| DLois Frankel | House · FL-22 | 9 | 3 | 6 | $24K | $48K | Sep 8, 2023 |
| DAlan S. Lowenthal | House · CA-47 | 8 | 0 | 8 | $0 | $64K | Oct 24, 2022 |
| RKevin Hern | House · OK-01 | 6 | 5 | 1 | $231.5K | $32.5K | Oct 28, 2025 |
| RLisa C. McClain | House · MI-09 | 5 | 2 | 3 | $16K | $24K | Oct 31, 2025 |
| RJohn R. Curtis | Senate · UT | 4 | 1 | 3 | $8K | $24K | Dec 4, 2023 |
| RJohn Boozman | Senate · AR | 3 | 1 | 2 | $8K | $16K | Jun 4, 2026 |
| DJosh Gottheimer | House · NJ-05 | 3 | 0 | 3 | $0 | $24K | Apr 14, 2020 |
| RBruce Westerman | House · AR-04 | 2 | 1 | 1 | $8K | $8K | Apr 21, 2025 |
| DDean Phillips | House · MN-03 | 2 | 1 | 1 | $8K | $8K | Dec 18, 2020 |
| RRobert J. Wittman | House · VA-01 | 2 | 1 | 1 | $8K | $8K | Dec 16, 2021 |
| DVal T. Hoyle | House · OR-04 | 2 | 1 | 1 | $8K | $8K | Sep 23, 2025 |
| RAlan Armstrong | Senate · OK | 1 | 1 | 0 | $8K | $0 | Mar 27, 2026 |
| RJefferson Shreve | House · IN-06 | 1 | 0 | 1 | $0 | $32.5K | May 12, 2025 |
| RPeter Meijer | House · MI-03 | 1 | 0 | 1 | $0 | $8K | Feb 16, 2021 |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Aug 18, 2026 | Sep 10, 202623d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP COMMON STOCK | Buy | Dependent | $1,001 - $15,000 | Aug 10, 2026 | Sep 4, 202625d | FilingOCR |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP COMMON STOCK | Buy | Spouse | $1,001 - $15,000 | Aug 3, 2026 | Sep 4, 202632d | FilingOCR |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP COMMON STOCK | Sell | Dependent | $1,001 - $15,000 | Jul 7, 2026 | Aug 7, 202631d | FilingOCR |
| RAlan Armstrong | BSX | Boston Scientific Corporation Common Stock | Buy | Self | $1,001 - $15,000 | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| RJohn Boozman | BSX | Boston Scientific Corporation Common Stock | Partial | Joint | $1,001 - $15,000 | Jun 4, 2026 | Jul 13, 202639d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | BuyReview | Spouse | — | Jun 30, 2026 | Jul 6, 20266d | FilingOCR |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | Partial | Spouse | $1,001 - $15,000 | Jun 16, 2026 | Jul 6, 202620d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Jun 5, 2026 | Jul 2, 202627d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Jun 5, 2026 | Jul 2, 202627d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | Sell | Dependent | $15,001 - $50,000 | May 1, 2026 | Jun 9, 202639d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | May 29, 2026 | Jun 8, 202610d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | May 19, 2026 | Jun 8, 202620d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | May 11, 2026 | Jun 8, 202628d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | Buy | Spouse | $1,001 - $15,000 | Apr 24, 2026 | May 11, 202617d | FilingOCR |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | UnknownReview | Self | $1,001 - $15,000 | Apr 13, 2026 | May 11, 202628d | FilingOCR |
| RMichael T. McCaul | BSX | BOSTON SCIENTIFIC CORP | Buy | Spouse | $1,001 - $15,000 | Mar 27, 2026 | Apr 8, 202612d | FilingOCR |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP COMMON STOCK | UnknownReview | Spouse | $15,001 - $50,000 | Mar 23, 2026 | Apr 7, 202615d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Feb 10, 2026 | Mar 9, 202627d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | Partial | Spouse | $15,001 - $50,000 | Feb 5, 2026 | Mar 9, 202632d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Jan 30, 2026 | Feb 13, 202614d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP.COMMON STOCK | Partial | Dependent | $1,001 - $15,000 | Jan 6, 2026 | Feb 6, 202631d | FilingOCR |
| RJohn Boozman | BSX | Boston Scientific Corp | Partial | Joint | $1,001 - $15,000 | Dec 17, 2025 | Jan 13, 202627d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Dec 24, 2025 | Jan 12, 202619d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Nov 18, 2025 | Dec 15, 202527d | Filing |
| RLisa C. McClain | BSX | Boston Scientific Corporation Common Stock (BSX) | Sell | Spouse | $1,001 - $15,000 | Oct 31, 2025 | Nov 21, 202521d | Filing |
| RLisa C. McClain | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Spouse | $1,001 - $15,000 | Oct 30, 2025 | Nov 21, 202522d | Filing |
| RLisa C. McClain | BSX | Boston Scientific Corporation Common Stock (BSX) | Sell | Spouse | $1,001 - $15,000 | Oct 30, 2025 | Nov 21, 202522d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Oct 17, 2025 | Nov 18, 202532d | Filing |
| RKevin Hern | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Joint | $15,001 - $50,000 | Oct 28, 2025 | Nov 16, 202519d | Filing |
| DVal T. Hoyle | BSX | Boston Scientific Corporation Common Stock (BSX) | Sell | Spouse | $1,001 - $15,000 | Sep 23, 2025 | Oct 10, 202517d | Filing |
| RLisa C. McClain | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Spouse | $1,001 - $15,000 | Aug 4, 2025 | Sep 12, 202539d | Filing |
| DVal T. Hoyle | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Spouse | $1,001 - $15,000 | Oct 29, 2024 | Sep 12, 2025318d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Jul 31, 2025 | Aug 14, 202514d | Filing |
| RLisa C. McClain | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Spouse | $1,001 - $15,000 | Dec 11, 2024 | Aug 13, 2025245d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Jun 26, 2025 | Jul 10, 202514d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Jun 11, 2025 | Jul 10, 202529d | Filing |
| RJefferson Shreve | BSX | Boston Scientific Corporation Common Stock (BSX) | Sell | Self | $15,001 - $50,000 | May 12, 2025 | Jun 22, 202541d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | May 13, 2025 | Jun 6, 202524d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP, COMMON Stock | Buy | Spouse | $1,001 - $15,000 | Apr 23, 2025 | May 12, 202519d | FilingOCR |
| RBruce Westerman | BSX | Boston Scientific Corporation Common Stock (BSX) | Sell | Self | $1,001 - $15,000 | Apr 21, 2025 | May 12, 202521d | Filing |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Apr 28, 2025 | May 6, 20258d | Filing |
| RBruce Westerman | BSX | Boston Scientific Corporation Common Stock (BSX) | Buy | Self | $1,001 - $15,000 | Mar 3, 2025 | Apr 16, 202544d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP, COMMON STOCK | Partial | Spouse | $1,001 - $15,000 | Mar 6, 2025 | Apr 10, 202535d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Mar 17, 2025 | Apr 7, 202521d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP. COMMON STOCK | Partial | Dependent | $1,001 - $15,000 | Feb 25, 2025 | Mar 6, 20259d | FilingOCR |
| DGilbert Ray Cisneros, Jr. | BSX | Boston Scientific Corporation Common Stock (BSX) | Partial | Self | $1,001 - $15,000 | Feb 24, 2025 | Mar 6, 202510d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP, COMMON STOCK | Buy | Spouse | $1,001 - $15,000 | Feb 19, 2025 | Mar 6, 202515d | FilingOCR |
| RJohn Boozman | BSX | Boston Scientific Corp | Buy | Joint | $1,001 - $15,000 | Feb 13, 2025 | Mar 6, 202521d | Filing |
| DRo Khanna | BSX | BOSTON SCIENTIFIC CORP.COMMON STOCK | Partial | Spouse | $1,001 - $15,000 | Jan 17, 2025 | Feb 6, 202520d | FilingOCR |
Insider activity Filed
Insiders
25
Surgical & Medical Instruments & Apparatus
Open-market buys · 90d
6
$9.5M bought
Open-market sells · 90d
0
$0 sold
Net · 90d
$9.5M
-$19.2M net over 12 months · last Sep 2, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026filed Sep 3, 2026 | Padraig Andrew O'ConnorEVP, Global Operations | Exercise | Restricted Stock Unitsderiv. | −1,171 | $0.00 | — | 3,516 | D | — | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Padraig Andrew O'ConnorEVP, Global Operations | Withholding | Common Stock | −567 | $48.37 | $27,426 | 7,892 | D | — | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Padraig Andrew O'ConnorEVP, Global Operations | Exercise | Common Stock | 1,171 | $0.00 | $0 | 8,459 | D | — | 4 |
| Aug 25, 2026filed Aug 26, 2026 | Susan E Morano | Buy | Common Stock | 2,040 | $49.22 | $100,408 | 13,784 | D | — | 4 |
| Aug 11, 2026filed Aug 12, 2026 | Emily WoodworthSVP, Global Controller and CAO | Other | Common Stock | 2,930 | $51.19 | $149,987 | 2,930 | I | — | 4 |
| Aug 10, 2026filed Aug 11, 2026 | Jonathan MonsonEVP and CFO | Other | Common Stock | 9,908 | $50.46 | $499,958 | 9,908 | I | — | 4 |
| Aug 5, 2026filed Aug 7, 2026 | David C Habiger | Buy | Common Stock | 2,100 | $47.59 | $99,937 | 17,160 | D | — | 4 |
| Aug 4, 2026filed Aug 5, 2026 | David C Habiger | Buy | Common Stock | 140 | $48.59 | $6,802 | 15,060 | D | — | 4 |
| Aug 3, 2026filed Aug 5, 2026 | David C Habiger | Buy | Common Stock | 1,042 | $48.07 | $50,084 | 14,920 | D | — | 4 |
| Aug 3, 2026filed Aug 5, 2026 | Michael F MahoneyChairman, President & CEO | Other | Common Stock | 22,119 | $48.43 | $1,071,223 | 22,119 | I | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 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
- 30Cluster sellJun 4, 2026
3 members sold BSX within 14 days
Details
- Ticker
- BSX
- Side
- sell
- Window days
- 14
- Window start
- Jun 4, 2026
- Window end
- Jun 16, 2026
- N politicians
- 3
- N trades
- 3
- Total mid
- $24,002
- Has whale
- No
- Members
- John Boozman, Gilbert Ray Cisneros, Jr., Ro Khanna
- Tx ids
- 14,057, 15,940, 48,113
- 42Well timedMay 1, 2026
Rep. Ro Khanna's BSX sale avoided a 17% drop over 30 days
Details
- Politician
- Ro Khanna
- Ticker
- BSX
- Asset
- BOSTON SCIENTIFIC CORP. COMMON STOCK
- Tx type
- sell
- Tx date
- May 1, 2026
- Filing date
- Jun 9, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Amount mid
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 39
- Is whale
- No
- Entry date
- May 1, 2026
- Entry close
- 56.50
- Exit date
- Jun 15, 2026
- Exit close
- 46.76
- Forward return
- -17.2%
- Sign adjusted return
- +17.2%
- N trading days
- 30
- 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