
Insider and congress filings
Boston Scientific Corporation (BSX)
NYSE · Healthcare · 304 insider transactions · 176 congress trades · last filed 1 month agoS&P 500
About Boston Scientific Corporation
from the company's filings and listing, as of Oct 26, 2026- Exchange
- NYSE
- Sector
- Healthcare
- Industry
- Medical - Devices
- Chief executive
- Michael F. Mahoney
- Employees
- 59,000
- Listed since
- May 19, 1992
- Market value
- $66.2B
- Price to earnings (12 mo)
- 18.4
- Net income per share, as reported (12 mo)
- $2.48
- Dividend yield
- -
Earnings
6 reported quarters · next on Oct 28, 2026| Quarter | EPS | EPS expected | Revenue | Revenue expected | Result |
|---|---|---|---|---|---|
| Q2 FY2026reported Jul 29, 2026 | $0.86 | $0.84 | $5.4B | $5.4B | EPS beatRevenue in line |
| Q1 FY2026reported Apr 22, 2026 | $0.80 | $0.79 | $5.2B | $5.2B | EPS beatRevenue in line |
| Q4 FY2025reported Feb 4, 2026 | $0.80 | $0.78 | $5.3B | $5.3B | EPS beatRevenue in line |
| Q3 FY2025reported Oct 22, 2025 | $0.75 | $0.71 | $5.1B | $5.0B | EPS beatRevenue beat |
| Q2 FY2025reported Jul 23, 2025 | $0.75 | $0.73 | $5.1B | $4.9B | EPS beatRevenue beat |
| Q1 FY2025reported Apr 23, 2025 | $0.75 | $0.67 | $4.7B | $4.6B | EPS beatRevenue beat |
Actual against the consensus estimate at the time. A flag marks a beat or a miss of more than 1.5% either way; inside that band the quarter is in line. A flag reads n/a only when a number is missing. Quarterly EPS is the figure set against the consensus, usually adjusted, so the quarters need not add up to the 12-month net income per share above. An estimate is a forecast made by analysts, not a company target.
Executive pay
as filed for fiscal 2025 · proxy filed Mar 18, 2026| Executive | Salary | Stock awards | Other | Total |
|---|---|---|---|---|
| Michael F. MahoneyChairman of the Board, President and Chief Executive Officer | $1.4M | $13.6M | $8.5M | $23.5M |
| Joseph M. FitzgeraldExecutive Vice President and Group President, Cardiovascular | $893K | $4.3M | $2.8M | $8.0M |
| Arthur C. ButcherExecutive Vice President and Group President, MedSurg and Asia Pacific | $745K | $3.4M | $2.3M | $6.5M |
| Jonathan R. MonsonExecutive Vice President and Chief Financial Officer | $592K | $1.6M | $3.9M | $6.1M |
| Jeffrey B. MirvissExecutive Vice President and President, Peripheral Interventions | $702K | $2.0M | $1.5M | $4.2M |
| Vance R. BrownSenior Vice President, General Counsel and Corporate Secretary | $659K | $1.7M | $1.5M | $3.9M |
The summary compensation table from the proxy statement for fiscal 2025, with titles as filed then. 1 executive who has since left the company is named in that filing and not shown here. Read the filing
Institutional holders
13F positions as of Jun 30, 2026| Holder | Value | Shares | Shares vs prior qtr | % of shares out |
|---|---|---|---|---|
| BlackRock, Inc. | $5.5B | 129,680,916 | -1.6% | 8.78% |
| Vanguard Capital Management LLC | $4.1B | 97,087,553 | +0.7% | 6.57% |
| State Street Corp | $3.0B | 70,111,196 | +3.1% | 4.72% |
| Primecap Management Co | $2.2B | 50,520,914 | +55.3% | 3.42% |
| FMR LLC | $2.0B | 45,702,845 | -38.4% | 3.09% |
| Massachusetts Financial Services Co | $1.5B | 24,859,191 | +126.1% | 1.68% |
| Geode Capital Management, LLC | $1.4B | 33,440,102 | +0.5% | 2.26% |
| Vanguard Portfolio Management LLC | $1.3B | 29,792,794 | 0.0% | 2.02% |
| D. E. Shaw & Co., Inc. | $1.1B | 25,457,409 | +4.7% | 1.72% |
| JPMorgan Chase & Co. | $1.0B | 23,907,838 | -28.3% | 1.62% |
| Arrowstreet Capital, Limited Partnership | $994.2M | 23,293,913 | +67.7% | 1.58% |
| Norges Bank | $903.5M | 21,170,029 | New | 1.43% |
A 13F reports long US equity positions and is filed within 45 days of the quarter end, so these are positions as they stood on Jun 30, 2026. New: not in this holder's prior 13F as reported; a change of filer ID can also show as new. For a manager's whole book see the fund directory. What a 13F covers and leaves out is explained in our guide to Form 13F.
Tracked fund managers holding BSX
10 managers| Manager | Value | Shares | Share of book |
|---|---|---|---|
| D. E. Shaw & Co.David Shaw | $1.1B | 25,457,409 | 0.5% |
| Two Sigma | $826.2M | 19,359,023 | 0.6% |
| Farallon Capital | $449.0M | 10,521,184 | 2.1% |
| Maverick CapitalLee Ainslie | $253.4M | 5,937,553 | 2.2% |
| Voloridge Investment Management | $139.8M | 3,275,326 | 0.6% |
| Walleye Capital | $67.4M | 1,578,172 | 0.2% |
| OrbiMed | $63.3M | 1,483,200 | 1.2% |
| Deerfield Management | $56.1M | 1,315,000 | 0.6% |
| Trexquant Investment | $49.9M | 1,169,741 | 0.3% |
| Glenview CapitalLarry Robbins | $4.8M | 113,096 | 0.1% |
10 of the 97 fund managers we track list BSX shares among the largest positions in their latest 13F, filed for Q2 2026. A manager can hold it further down the book too, so this is a floor, not a count. Share of book is the position against the manager's whole disclosed 13F value.
Open-market insider trades
10 filings shown · newest filing first| Insider | Action | Shares | Price | Value | Trade date | Delay (business days) |
|---|---|---|---|---|---|---|
| Susan E. MoranoDirector | Bought | 2,040 | $49.22 | $100K | Aug 25, 2026filed Aug 26, 2026 | 1d |
| David C. HabigerDirector | Bought | 2,100 | $47.59 | $100K | Aug 5, 2026filed Aug 7, 2026 | 2d |
| Michael F. MahoneyChairman, President & CEO | Bought | 186,240 | $48.33 | $9.0M | Aug 3, 2026filed Aug 5, 2026 | 2d |
| David C. HabigerDirector | Bought | 1,042 | $48.07 | $50K | Aug 3, 2026filed Aug 5, 2026 | 2d |
| David C. HabigerDirector | Bought | 140 | $48.59 | $7K | Aug 4, 2026filed Aug 5, 2026 | 1d |
| Edward J. LudwigDirector | Bought | 5,000 | $45.48 | $227K | Jul 31, 2026filed Aug 3, 2026 | 1d |
| David C. HabigerDirector | Bought | 2,200 | $56.95 | $125K | May 19, 2026filed May 21, 2026 | 2d |
| David C. HabigerDirector | Bought | 2,250 | $55.92 | $126K | May 20, 2026filed May 21, 2026 | 1d |
| Edward J. LudwigDirector | Bought | 3,580 | $56.68 | $203K | May 20, 2026filed May 21, 2026 | 1d |
| Cheryl PegusDirector | Bought | 1,770 | $56.49 | $100K | May 20, 2026filed May 21, 2026 | 1d |
One row is one filing, newest filing first. A filing that reported its trade in several tranches is summed, priced at the weighted average, and marked with its line count. The delay counts business days from the trade to the filing, the unit of Form 4's two business day deadline: weekends and federal holidays are skipped. How the filing itself works is explained in our guide to Form 4.
Other Form 4 activity (20)
| Insider | Event | Shares | Date |
|---|---|---|---|
| Padraig Andrew O'ConnorEVP, Global Operations | Tax withholding | 567 | Sep 2, 2026 |
| Padraig Andrew O'ConnorEVP, Global Operations | Option exercise | 1,171 | Sep 2, 2026 |
| Emily WoodworthSVP, Global Controller and CAO | Discretionary transaction | 2,930 | Aug 11, 2026 |
| Jonathan MonsonEVP and CFO | Discretionary transaction | 9,908 | Aug 10, 2026 |
| Michael F. MahoneyChairman, President & CEO | Discretionary transaction | 22,119 | Aug 3, 2026 |
| Joseph Michael FitzgeraldEVP & Group Pres, Cardiology | Discretionary transaction | 64,198 | Jul 31, 2026 |
| Jonathan MonsonEVP and CFO | Tax withholding | 1,010 | Jul 1, 2026 |
| Jonathan MonsonEVP and CFO | Option exercise | 2,087 | Jul 1, 2026 |
| Michael F. MahoneyChairman, President & CEO | Gift | 386,755 | May 28, 2026 |
| David C. HabigerDirector | Stock award | 3,800 | May 7, 2026 |
| Edward J. LudwigDirector | Stock award | 3,800 | May 7, 2026 |
| Jessica L. MegaDirector | Stock award | 3,800 | May 7, 2026 |
| Susan E. MoranoDirector | Stock award | 5,081 | May 7, 2026 |
| Cheryl PegusDirector | Stock award | 5,081 | May 7, 2026 |
| Cathy R. SmithDirector | Stock award | 6,009 | May 7, 2026 |
| Christophe Pierre WeberDirector | Stock award | 5,567 | May 7, 2026 |
| David S. WichmannDirector | Stock award | 3,800 | May 7, 2026 |
| Ellen M. ZaneDirector | Stock award | 3,800 | May 7, 2026 |
| Arthur C. ButcherEVP& Grp Pres, Medsurg & APAC | Tax withholding | 1,007 | May 2, 2026 |
| Arthur C. ButcherEVP& Grp Pres, Medsurg & APAC | Option exercise | 2,102 | May 2, 2026 |
Awards, option exercises, shares withheld to cover tax and gifts all file on the same form as a purchase or a sale. None of them is a decision to trade, so they sit here rather than beside the ones that are.
Congress trades in BSX
20 disclosures of 176 on record · median 25d of the 45 allowedSince the trade: the stock's move from the trade date to the latest close we hold (figures as of Oct 24, 2026), not the member's result. Not investment advice.
| Member | Type | Action | Amount disclosed | Stock since the trade | Trade date | Disclosed | Delay |
|---|---|---|---|---|---|---|---|
| Kevin HernJoint | Stock | Sale | $15,001 - $50,000 | -5.4%After the saleS&P 500 -0.9% · -4.5 pts vs S&P 500 | Aug 31, 2026 | Sep 25, 2026 | 25d |
| Kevin HernDependent child | Stock | Sale | $1,001 - $15,000 | -2.7%After the saleS&P 500 -1.7% · -1.0 pts vs S&P 500 | Sep 3, 2026 | Sep 25, 2026 | 22d |
| Kevin HernJoint | Stock | Sale | $50,001 - $100,000 | -4.4%After the saleS&P 500 -1.3% · -3.1 pts vs S&P 500 | Sep 4, 2026 | Sep 25, 2026 | 21d |
| Kevin HernJoint | Stock | Sale | $50,001 - $100,000 | +1.6%After the saleS&P 500 -0.3% · +2.0 pts vs S&P 500 | Sep 9, 2026 | Sep 25, 2026 | 16d |
| Gilbert Ray Cisneros, Jr. | Stock | Purchase | $1,001 - $15,000 | -9.5%S&P 500 -1.0% · -8.5 pts vs S&P 500 | Aug 18, 2026 | Sep 10, 2026 | 23d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | -5.7%S&P 500 +0.3% · -6.0 pts vs S&P 500 | Aug 3, 2026 | Sep 4, 2026 | 32d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | -9.4%S&P 500 -1.7% · -7.7 pts vs S&P 500 | Aug 10, 2026 | Sep 4, 2026 | 25d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | +0.9%After the saleS&P 500 +1.7% · -0.8 pts vs S&P 500 | Jul 7, 2026 | Aug 7, 2026 | 31d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +4.4%S&P 500 +2.4% · +2.0 pts vs S&P 500 | Jul 20, 2026 | Aug 7, 2026 | 18d |
| Alan ArmstrongSelf | Stock | Purchase | $1,001 - $15,000 | -33.9%S&P 500 +19.8% · -53.8 pts vs S&P 500 | Mar 27, 2026 | Jul 21, 2026 | 116d |
| John BoozmanJoint | Stock | Sale (Partial) | $1,001 - $15,000 | -6.5%After the saleS&P 500 +0.4% · -6.8 pts vs S&P 500 | Jun 4, 2026 | Jul 13, 2026 | 39d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | -4.2%S&P 500 +0.1% · -4.2 pts vs S&P 500 | Jun 2, 2026 | Jul 6, 2026 | 34d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | -2.6%After the saleS&P 500 +1.3% · -3.9 pts vs S&P 500 | Jun 16, 2026 | Jul 6, 2026 | 20d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | +7.8%S&P 500 +2.3% · +5.6 pts vs S&P 500 | Jun 30, 2026 | Jul 6, 2026 | 6d |
| Gilbert Ray Cisneros, Jr. | Stock | Purchase | $1,001 - $15,000 | -5.9%S&P 500 +3.0% · -8.9 pts vs S&P 500 | Jun 5, 2026 | Jul 2, 2026 | 27d |
| Gilbert Ray Cisneros, Jr. | Stock | Sale | $1,001 - $15,000 | -5.9%After the saleS&P 500 +3.0% · -8.9 pts vs S&P 500 | Jun 5, 2026 | Jul 2, 2026 | 27d |
| Ro Khanna | Stock | Sale | $15,001 - $50,000 | -19.1%After the saleS&P 500 +5.4% · -24.6 pts vs S&P 500 | May 1, 2026 | Jun 9, 2026 | 39d |
| Ro Khanna | Stock | Purchase | $1,001 - $15,000 | -13.3%S&P 500 +2.8% · -16.1 pts vs S&P 500 | May 15, 2026 | Jun 9, 2026 | 25d |
| Ro Khanna | Stock | Sale | $1,001 - $15,000 | -9.4%After the saleS&P 500 +1.3% · -10.7 pts vs S&P 500 | May 27, 2026 | Jun 9, 2026 | 13d |
| Gilbert Ray Cisneros, Jr. | Stock | Purchase | $1,001 - $15,000 | -14.4%S&P 500 +2.8% · -17.2 pts vs S&P 500 | May 11, 2026 | Jun 8, 2026 | 28d |
Since the trade is an estimate, set beside the S&P 500 over the same window, with the gap between the two in percentage points. The filing carries a band, not a fill, and a sale keeps the stock's sign, so a positive figure after a sale means the stock kept rising after it. An option row carries the underlying stock's move. A row marked n/a is one we hold no figure for.
A delay above 45 days is the gap between the dates on the report; we mark a filing late only after checking it.
"Not captured" means the band or the transaction type on the original report is missing from our data.
"Dates conflict" marks a row whose disclosure is dated before its trade on the record we hold. Both dates are printed as filed, and no since-the-trade figure is computed from them.
Every Congress trade in BSX, filterable by party, chamber, type and account.
Members of Congress reporting a position
8 members · estimate, as of Oct 25, 20268 members report a position (estimated). The largest estimated position is in the $100,001 - $250,000 band.
| Member | Party, chamber | Estimated position | Share of their portfolio |
|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Democrat · House | $100,001 - $250,000 | 0.3% |
| Kevin Hern | Republican · House | $50,001 - $100,000 | 0.2% |
| Lucy McBath | Democrat · House | $15,001 - $50,000 | 0.4% |
| Julie Johnson | Democrat · House | $15,001 - $50,000 | 0.1% |
| Robert Bresnahan | Republican · House | $15,001 - $50,000 | 0.1% |
| Tina Smith | Democrat · Senate | $1,001 - $15,000 | 0.2% |
| Harriet M. Hageman | Republican · House | $1,001 - $15,000 | 0.1% |
| Michael A. Rulli | Republican · House | $1,001 - $15,000 | 0.4% |
Estimate, as of Oct 25, 2026. Each position is modelled from the member's disclosed transactions and annual filings: the midpoint of each disclosed band, moved with the stock's price since the trade. It is a rough estimate of a reported position, not a figure from a filing, which is why it is shown as a band. Share of portfolio sets that estimate against the member's whole estimated public-stock portfolio.
Questions
Are insiders buying or selling BSX?
Across the 10 most recent open-market filings shown here, 10 were purchases and 0 were sales.
Which members of Congress have traded BSX?
Kevin Hern, Gilbert Ray Cisneros, Jr., Ro Khanna, Alan Armstrong and John Boozman disclosed BSX transactions in the filings shown here.
Which members of Congress hold BSX?
8 members of Congress report a position in BSX in the estimate we hold as of Oct 25, 2026. The two largest estimated positions belong to Gilbert Ray Cisneros, Jr. and Kevin Hern; Lucy McBath holds one of the next largest, in the $15,001 - $50,000 band. The estimate is built from disclosed transactions and annual filings, so it is shown as a band rather than a figure from a filing.
Is BSX in the S&P 500 or the Nasdaq 100?
Boston Scientific Corporation is a current member of the S&P 500, per the membership list we hold as of Oct 26, 2026. Current members of either index get a page here whatever their filing history.
How quickly are BSX trades disclosed?
Insider filings on this page reached the public a median of 1 business day after the transaction (weekends and federal holidays skipped), against the two business days Form 4 allows. Congressional disclosures took a median of 25 days, against the 45 the STOCK Act allows.
How to read a Form 4
A DECISION THE INSIDER MADE
COMPENSATION PLUMBING
Congress rows disclose a value range rather than an exact amount, and the STOCK Act allows up to 45 days to report. Full sourcing and the limits of this data are on the methodology page. A filing is a record of a transaction, not a signal, and nothing here is investment advice.
Data as of Oct 26, 2026.
