BSX
Who in Congress traded BSX, when, and what happened after?
A ticker-first view for retail/data users: latest disclosure, largest range, disclosure lag, party flow, contracts, lobbying, and source-linked receipts.
Party Breakdown
Party Trading Divergence
Democrat vs. Republican buy / sell pressure by monthMODERATEBar length = total trades. Color = net sentiment — green = net buying, red = net selling. Months with no activity hidden.
🏛️ Federal Contracts
all →- 2026-06-12$305KDepartment of Veterans AffairsY-90 THERASPHERE
- 2026-05-19$28KDepartment of Veterans AffairsBOSTON SCIENTIFIC POLARIS ILAB SERVICE AGREEMENT
- 2026-05-08$28KDepartment of Veterans AffairsPROSTHETICS:IMPLANT
- 2026-05-05$59KDepartment of Veterans AffairsEMERGENCY CATH LAB CPU REPAIR
- 2026-05-05$15KDepartment of Veterans AffairsPROSTHETICS - NEUROTRANSMITER
- 2026-05-05$7KDepartment of Veterans AffairsSPYGLASS DS DIGITAL CONTROLLER & AUTOLITH TOUCH EHL GENERATOR
- 2026-04-29$249KDepartment of Veterans AffairsTHERASPHERE Y-90 GLASS MICROSPHERES
- 2026-04-28$38KDepartment of Veterans AffairsFARPULSE ABLIATION SYSTEM PM
- 2026-04-22$20KDepartment of Health and Human ServicesTHE PURPOSE OF THIS PURCHASE ORDER IS TO SUPPLY NHLBI WITH A SERVICE CONTRACT FOR ITS INTRAVASCULAR ULTRASOUND (IVUS) MACHINE.
- 2026-04-21$37KDepartment of Veterans AffairsMRI COMPATABLE SYSTEM POST IMPLANT
💼 Lobbying Filings
all →- 2026-04-20$642KBOSTON SCIENTIFIC CORPORATIONMedical device procurement and supply chain resiliency. Ensuring VHA patient access to Med Tech as VHA manages supply chain and upgrades its medical surgery and prosthetics procurement contracting. Pain management - working to increase veteran access to multidisciplinary and multimodal pain management to provide for effective non-opioid treatment alternatives. VA Authorization Bill of 2025- Specifically, H.R. 6549 The VA Contracting and Procurement Act. This bill would reform VAs contracting process by modernizing medical implant acquisition and consolidating billing for surgical procedures to enhance delivery of care to veterans. FY2027 Appropriations: Advocacy efforts on including report language in Labor-HHS to advance non-opioid, evidence-based pain management and in VA/DoD accounts to support modernization of procurement processes, including a transparent product add cycle and a streamlined single purchase order mechanism. OECD 2 Pillar Framework Implementation - International t
- 2026-04-20$80KBOSTON SCIENTIFIC CORPORATIONIssues concerning Medicare reimbursement, AI and medical technology. Advocacy concerning tax issues. Advocacy concerning trade issues.
- 2026-04-20$60KBOSTON SCIENTIFICInterntational tax reform, TCJA reauthorization
- 2026-04-17$0BOSTON SCIENTIFIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)Medicare Physician Fee Schedule; Medicare Physician Fee Schedule reform; H.R.10136 - Promoting Fairness for Medicare Providers Act of 2024.
- 2026-04-15$20KBOSTON SCIENTIFIC CORPORATIONMedical Supply Chain program reforms HR 6549, VA Contracting and Procurement Act
- 2026-01-21$60KBOSTON SCIENTIFICInterntational tax reform, TCJA reauthorization
- 2026-01-20$80KBOSTON SCIENTIFIC CORPORATIONIssues concerning Medicare reimbursement, AI and medical technology. Advocacy concerning tax issues. Advocacy concerning trade issues.
- 2026-01-20$0BOSTON SCIENTIFIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)Medicare Physician Fee Schedule; Medicare Physician Fee Schedule reform; H.R.10136 - Promoting Fairness for Medicare Providers Act of 2024.
- 2026-01-16$570KBOSTON SCIENTIFIC CORPORATIONEnsuring Patient Access to Critical Breakthrough Products Act of 2025(H.R. 5343 and S.1717) - Legislation to create automatic CMS coverage for devices approved via FDA's breakthrough pathway. (CMS rulemaking for Transitional Coverage of Emerging Technologies (TCET) - advocacy for a new, voluntary Transitional Coverage of Emerging Technologies (TCET) pathway that provides national Medicare coverage for Breakthrough-designated technologies, beginning on the date of FDA market authorization.) The Patient Access to Innovative New Technologies Act (PAINT Act) -- proposed legislation that aims to expand access to new medical technologies by improving the Medicare New Technology Add-on Payment (NTAP) program. It would create a single deadline for products in an alternative pathway, ensure breakthrough devices are eligible for conditional approval under NTAP, and prevent disruption in Medicare beneficiaries' access to new treatments. 2025 Reauthorization of the SUPPORT for Patients and Communi
- 2026-01-12$12KHOLLIER & ASSOCIATES ON BEHALF OF BOSTON SCIENTIFICReauthorization of TCJA; International tax proposals
Congressional Momentum
buy vs. sell pressureACCUMULATINGScore 0–100: above 50 = net buying pressure, below 50 = net selling. Signal based on last 90 days.
Best Timers
avg excess return vs SPY · BSX trades only9 members w/ alpha dataExcess return = stock price change minus SPY change over the same holding window.Congress avg: -46.4%· 0% of traders beat SPY on this name
Timing Fingerprint
filing delay vs. excess return over SPY · 57 tradesCongress avg -39.4% vs SPYEach dot = one disclosed trade. X-axis = days between trade and STOCK Act filing.Y-axis = return above (or below) SPY over the subsequent holding window. Upper-right = late filers who beat the market.
Congress Swarm Events
synchronized trading — 3+ members within 21 daysSUSPICIOUSA swarm event occurs when 3 or more members disclose trades in BSX within a rolling 21-day window. Tight windows with high directional consensus score highest on the suspicion meter.
Trade Activity Timeline
Congressional buys & sells by month · last 24 months w/ activity
Who Moved First
each row = one member · sorted by earliest disclosed tradeSeasonal Rhythm
Congress buy/sell pressure by month & yearEach cell = one calendar month. Green = net Congress buying, red = net selling. Intensity ∝ consensus strength. Hover for details.
Congressional Conviction Timeline
net positioning · alpha track recordBEARISHAll Disclosed Trades
| Date | Member | Action | Amount | Filing Delay | Receipt |
|---|---|---|---|---|---|
| 2026-05-29 | DGilbert Cisneros | BUY | $1K – $15K | 11d | receipt → |
| 2026-05-19 | DGilbert Cisneros | BUY | $1K – $15K | 21d | receipt → |
| 2026-05-11 | DGilbert Cisneros | BUY | $1K – $15K | 29d | receipt → |
| 2026-05-27 | DRo Khanna | SELL | $1K – $15K | 13d | receipt → |
| 2026-05-15 | DRo Khanna | BUY | $1K – $15K | 25d | receipt → |
| 2026-05-01 | DRo Khanna | SELL | $15K – $50K | 39d | receipt → |
| 2026-05-29 | DGilbert Cisneros | BUY | $1K – $15K | 10d | receipt → |
| 2026-05-19 | DGilbert Cisneros | BUY | $1K – $15K | 20d | receipt → |
| 2026-05-11 | DGilbert Cisneros | BUY | $1K – $15K | 28d | receipt → |
| 2026-04-24 | DRo Khanna | BUY | $1K – $15K | 17d | receipt → |
| 2026-04-13 | DRo Khanna | SELL | $1K – $15K | 28d | receipt → |
| 2026-03-30 | DRo Khanna | BUY | $15K – $50K | 8d | receipt → |
| 2026-03-23 | DRo Khanna | SELL | $15K – $50K | 15d | receipt → |
| 2026-02-10 | DGilbert Cisneros | BUY | $1K – $15K | 28d | receipt → |
| 2026-02-24 | DRo Khanna | SELL | $15K – $50K | 13d | receipt → |
| 2026-02-17 | DRo Khanna | BUY | $15K – $50K | 20d | receipt → |
| 2026-02-10 | DGilbert Cisneros | BUY | $1K – $15K | 27d | receipt → |
| 2026-02-06 | DRo Khanna | SELL | $1K – $15K | 31d | receipt → |
| 2026-02-05 | DRo Khanna | SELL | $15K – $50K | 32d | receipt → |
| 2026-01-30 | DGilbert Cisneros | BUY | $1K – $15K | 17d | receipt → |
| 2026-01-30 | DGilbert Cisneros | BUY | $1K – $15K | 14d | receipt → |
| 2026-01-29 | DRo Khanna | BUY | $15K – $50K | 8d | receipt → |
| 2026-01-06 | DRo Khanna | SELL | $1K – $15K | 31d | receipt → |
| 2025-12-17 | RJohn Boozman | PARTIAL_SELL | $1K – $15K | 27d | receipt → |
| 2025-12-24 | DGilbert Cisneros | SELL | $1K – $15K | 20d | receipt → |
| 2025-12-17 | RJohn Boozman | PARTIAL_SELL | $1K – $15K | 27d | receipt → |
| 2025-12-24 | DGilbert Cisneros | SELL | $1K – $15K | 19d | receipt → |
| 2025-11-18 | DGilbert Cisneros | BUY | $1K – $15K | 28d | receipt → |
| 2025-11-18 | DGilbert Cisneros | BUY | $1K – $15K | 27d | receipt → |
| 2025-10-31 | RLisa McClain | SELL | $1K – $15K | 24d | receipt → |
| 2025-10-30 | RLisa McClain | BUY | $1K – $15K | 25d | receipt → |
| 2025-10-30 | RLisa McClain | SELL | $1K – $15K | 25d | receipt → |
| 2025-10-31 | RLisa McClain | SELL | $1K – $15K | 21d | receipt → |
| 2025-10-30 | RLisa McClain | SELL | $1K – $15K | 22d | receipt → |
| 2025-10-30 | RLisa McClain | BUY | $1K – $15K | 22d | receipt → |
| 2025-10-17 | DGilbert Cisneros | BUY | $1K – $15K | 33d | receipt → |
| 2025-10-17 | DGilbert Cisneros | BUY | $1K – $15K | 32d | receipt → |
| 2025-10-28 | RKevin Hern | SELL | $15K – $50K | 20d | receipt → |
| 2025-10-28 | RKevin Hern | SELL | $15K – $50K | 19d | receipt → |
| 2025-10-07 | DRo Khanna | SELL | $1K – $15K | 30d | receipt → |
| 2025-10-28 | RKevin Hern | PARTIAL_SELL | $15K – $50K | 1d | receipt → |
| 2025-09-23 | DValerie Hoyle | SELL | $1K – $15K | 17d | receipt → |
| 2025-09-23 | DValerie Hoyle | SELL | $1K – $15K | 17d | receipt → |
| 2025-08-04 | RLisa McClain | SELL | $1K – $15K | 42d | receipt → |
| 2025-08-04 | RLisa McClain | SELL | $1K – $15K | 39d | receipt → |
| 2024-10-29 | DValerie Hoyle | BUY | $1K – $15K | 318d | receipt → |
| 2025-07-31 | DGilbert Cisneros | SELL | $1K – $15K | 15d | receipt → |
| 2025-07-31 | DGilbert Cisneros | SELL | $1K – $15K | 14d | receipt → |
| 2024-12-11 | RLisa McClain | BUY | $1K – $15K | 245d | receipt → |
| 2025-07-31 | DGilbert Cisneros | PARTIAL_SELL | $1K – $15K | 13d | receipt → |
| 2025-07-31 | DGilbert Cisneros | PARTIAL_SELL | $1K – $15K | 13d | receipt → |
| 2025-06-26 | DGilbert Cisneros | SELL | $1K – $15K | 15d | receipt → |
| 2025-06-11 | DGilbert Cisneros | SELL | $1K – $15K | 30d | receipt → |
| 2025-06-26 | DGilbert Cisneros | SELL | $1K – $15K | 14d | receipt → |
| 2025-06-11 | DGilbert Cisneros | SELL | $1K – $15K | 29d | receipt → |
| 2025-06-11 | DGilbert Cisneros | PARTIAL_SELL | $1K – $15K | 27d | receipt → |
| 2025-06-26 | DGilbert Cisneros | PARTIAL_SELL | $1K – $15K | 12d | receipt → |
| 2025-05-12 | RJefferson Shreve | SELL | $15K – $50K | 42d | receipt → |
| 2025-05-12 | RJefferson Shreve | SELL | $15K – $50K | 41d | receipt → |
| 2025-05-13 | DGilbert Cisneros | SELL | $1K – $15K | 27d | receipt → |
| 2025-05-13 | DGilbert Cisneros | SELL | $1K – $15K | 24d | receipt → |
| 2025-04-21 | RBruce Westerman | SELL | $1K – $15K | 22d | receipt → |
| 2025-04-23 | DRo Khanna | BUY | $1K – $15K | 19d | receipt → |
| 2025-04-21 | RBruce Westerman | SELL | $1K – $15K | 21d | receipt → |
| 2025-04-28 | DGilbert Cisneros | SELL | $1K – $15K | 9d | receipt → |
| 2025-04-28 | DGilbert Cisneros | SELL | $1K – $15K | 8d | receipt → |
| 2025-03-03 | RBruce Westerman | BUY | $1K – $15K | 44d | receipt → |
| 2025-03-12 | DRo Khanna | BUY | $1K – $15K | 29d | receipt → |
| 2025-03-06 | DRo Khanna | SELL | $1K – $15K | 35d | receipt → |
| 2025-03-17 | DGilbert Cisneros | SELL | $1K – $15K | 21d | receipt → |
| 2025-02-13 | RJohn Boozman | BUY | $1K – $15K | 22d | receipt → |
| 2025-02-24 | DGilbert Cisneros | SELL | $1K – $15K | 10d | receipt → |
| 2025-02-19 | DRo Khanna | BUY | $1K – $15K | 15d | receipt → |
| 2025-02-13 | RJohn Boozman | BUY | $1K – $15K | 21d | receipt → |
| 2025-02-24 | DGilbert Cisneros | PARTIAL_SELL | $1K – $15K | 8d | receipt → |
| 2025-01-17 | DRo Khanna | SELL | $1K – $15K | 20d | receipt → |
| 2024-04-24 | RMichael McCaul | SELL | $50K – $100K | 17d | receipt → |
| 2024-04-23 | RMichael McCaul | SELL | $50K – $100K | 18d | receipt → |
| 2024-04-23 | RMichael McCaul | SELL | $100K – $250K | 18d | receipt → |
| 2024-04-12 | RMichael McCaul | SELL | $15K – $50K | 29d | receipt → |
| 2024-04-12 | RMichael McCaul | SELL | $1K – $15K | 29d | receipt → |
| 2023-05-30 | DLois Frankel | BUY | $1K – $15K | 23d | receipt → |
| 2023-05-31 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 22d | receipt → |
| 2023-04-19 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 30d | receipt → |
| 2023-05-01 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 18d | receipt → |
| 2023-04-26 | RJohn Curtis | PARTIAL_SELL | $1K – $15K | 6d | receipt → |
| 2023-03-29 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 30d | receipt → |
| 2023-02-23 | RJohn Curtis | PARTIAL_SELL | $1K – $15K | 13d | receipt → |