Congress Trading BSX
23 members of Congress have disclosed 234 trades in BSX under the STOCK Act. Amounts are official disclosure ranges; volume estimates use band midpoints.
Members trading BSX
Ranked by disclosed BSX trade count. Net volume uses band midpoints from the filing ranges.
| Member | Trades | Buys / Sells | Net direction | Est. net | Last trade |
|---|---|---|---|---|---|
| Michael T. McCaul Republican · House | 71 | 35B / 36S | mixed | $142K | Apr 24, 2024 |
| Ro Khanna Democrat · House | 59 | 37B / 22S | mixed | $120K | Aug 10, 2026 |
| Alan S. Lowenthal Democrat · House | 20 | 8B / 12S | mixed | $3K | Oct 24, 2022 |
| Gilbert Cisneros Democrat · House | 19 | 10B / 9S | mixed | $8K | Aug 18, 2026 |
| Lois Frankel Democrat · House | 13 | 5B / 8S | mixed | -$24K | Sep 8, 2023 |
| Kevin Hern Republican · House | 12 | 5B / 7S | mixed | -$8K | Sep 9, 2026 |
| Lisa McClain Republican · House | 5 | 2B / 3S | mixed | -$8K | Oct 31, 2025 |
| John Curtis Republican · Senate | 5 | 2B / 3S | mixed | -$8K | Dec 4, 2023 |
| Josh Gottheimer Democrat · House | 4 | 0B / 4S | selling | -$32K | Apr 14, 2020 |
| Markwayne Mullin Republican · Senate | 3 | 3B / 0S | buying | $73K | Dec 29, 2025 |
| John Boozman Republican · Senate | 3 | 1B / 2S | mixed | -$8K | Jun 4, 2026 |
| Bob Corker Republican · Senate | 3 | 1B / 2S | mixed | -$8K | May 20, 2014 |
| Valerie Hoyle Democrat · House | 2 | 1B / 1S | mixed | $0 | Sep 23, 2025 |
| Bruce Westerman Republican · House | 2 | 1B / 1S | mixed | $0 | Apr 21, 2025 |
| Robert J. Wittman Republican · House | 2 | 1B / 1S | mixed | $0 | Dec 16, 2021 |
| Dean Phillips Democrat · House | 2 | 1B / 1S | mixed | $0 | Dec 18, 2020 |
| K. Michael Conaway Republican · House | 2 | 1B / 1S | mixed | $0 | Sep 12, 2016 |
| Thad Cochran Republican · Senate | 2 | 1B / 1S | mixed | $0 | Jun 15, 2015 |
| Alan Armstrong Republican · Senate | 1 | 1B / 0S | buying | $8K | Mar 27, 2026 |
| Jefferson Shreve Republican · House | 1 | 0B / 1S | selling | -$33K | May 12, 2025 |
| Peter Meijer Republican · House | 1 | 0B / 1S | selling | -$8K | Feb 16, 2021 |
| Mo Brooks Republican · House | 1 | 0B / 1S | selling | -$8K | Feb 5, 2020 |
| Susie Lee Democrat · House | 1 | 0B / 1S | selling | -$8K | Apr 25, 2019 |
Recent BSX disclosures
Latest STOCK Act filings mentioning BSX.
| Trade date | Member | Type | Amount | Filed |
|---|---|---|---|---|
| Sep 9, 2026 | Kevin Hern | Sale | $50K – $100K | Sep 25, 2026 |
| Sep 4, 2026 | Kevin Hern | Sale | $50K – $100K | Sep 25, 2026 |
| Sep 3, 2026 | Kevin Hern | Sale | $1K – $15K | Sep 25, 2026 |
| Sep 3, 2026 | Kevin Hern | Sale | $1K – $15K | Sep 25, 2026 |
| Sep 3, 2026 | Kevin Hern | Sale | $1K – $15K | Sep 25, 2026 |
| Aug 31, 2026 | Kevin Hern | Sale | $15K – $50K | Sep 25, 2026 |
| Aug 18, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Sep 10, 2026 |
| Aug 10, 2026 | Ro Khanna | Purchase | $1K – $15K | Sep 4, 2026 |
| Aug 3, 2026 | Ro Khanna | Purchase | $1K – $15K | Sep 4, 2026 |
| Jul 20, 2026 | Ro Khanna | Purchase | $1K – $15K | Aug 7, 2026 |
| Jul 7, 2026 | Ro Khanna | Sale | $1K – $15K | Aug 7, 2026 |
| Jun 30, 2026 | Ro Khanna | Purchase | $1K – $15K | Jul 6, 2026 |
| Jun 16, 2026 | Ro Khanna | Sale | $1K – $15K | Jul 6, 2026 |
| Jun 5, 2026 | Gilbert Cisneros | Sale | $1K – $15K | Jul 2, 2026 |
| Jun 5, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Jul 2, 2026 |
| Jun 4, 2026 | John Boozman | Sale (Partial) | $1K – $15K | Jul 13, 2026 |
| Jun 2, 2026 | Ro Khanna | Purchase | $1K – $15K | Jul 6, 2026 |
| May 29, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Jun 8, 2026 |
| May 27, 2026 | Ro Khanna | Sale | $1K – $15K | Jun 9, 2026 |
| May 19, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Jun 8, 2026 |
| May 15, 2026 | Ro Khanna | Purchase | $1K – $15K | Jun 9, 2026 |
| May 11, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Jun 8, 2026 |
| May 1, 2026 | Ro Khanna | Sale | $15K – $50K | Jun 9, 2026 |
| Apr 24, 2026 | Ro Khanna | Purchase | $1K – $15K | May 11, 2026 |
| Apr 13, 2026 | Ro Khanna | Sale | $1K – $15K | May 11, 2026 |
| Mar 30, 2026 | Ro Khanna | Purchase | $15K – $50K | Apr 7, 2026 |
| Mar 27, 2026 | Alan Armstrong | Purchase | $1K – $15K | Jul 21, 2026 |
| Mar 23, 2026 | Ro Khanna | Sale | $15K – $50K | Apr 7, 2026 |
| Feb 24, 2026 | Ro Khanna | Sale | $15K – $50K | Mar 9, 2026 |
| Feb 17, 2026 | Ro Khanna | Purchase | $15K – $50K | Mar 9, 2026 |
| Feb 10, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Mar 9, 2026 |
| Feb 6, 2026 | Ro Khanna | Sale | $1K – $15K | Mar 9, 2026 |
| Feb 5, 2026 | Ro Khanna | Sale | $15K – $50K | Mar 9, 2026 |
| Jan 30, 2026 | Gilbert Cisneros | Purchase | $1K – $15K | Feb 13, 2026 |
| Jan 29, 2026 | Ro Khanna | Purchase | $15K – $50K | Feb 6, 2026 |
| Jan 6, 2026 | Ro Khanna | Sale | $1K – $15K | Feb 6, 2026 |
| Dec 29, 2025 | Markwayne Mullin | Purchase | $15K – $50K | Jan 16, 2026 |
| Dec 24, 2025 | Gilbert Cisneros | Sale | $1K – $15K | Jan 12, 2026 |
| Dec 17, 2025 | John Boozman | Sale (Partial) | $1K – $15K | Jan 13, 2026 |
| Nov 18, 2025 | Gilbert Cisneros | Purchase | $1K – $15K | Dec 15, 2025 |
Hedge funds hold BSX too: the tracked funds that disclose it in their latest 13F filings, with weights.
13F holders of BSXResearch Congress disclosures against your own holdings
See how Wealthnow would research disclosed BSX trades against your own holdings. Politician strategies are research only, and trading from Congress disclosures is not enabled.
Frequently asked questions
Which members of Congress trade BSX?
23 members have disclosed BSX trades in this dataset. The most active include Michael T. McCaul, Ro Khanna, Alan S. Lowenthal, Gilbert Cisneros, Lois Frankel. Each row shows buy/sell counts and estimated band-midpoint volume from official STOCK Act filings.
Is Congress buying or selling BSX?
Across disclosed share trades, the net direction estimate is "mixed" (band midpoints: purchases $2.9M, sales $2.7M). Ranges can overlap, so direction is only reported when the bands prove it.
How fresh is the BSX Congress trading data?
Filings can lag the trade date by up to 45 days. This page refreshes from official House and Senate disclosure records; the snapshot timestamp is Oct 21, 2026.
Can Wealthnow research Congress trades in BSX?
Wealthnow can research disclosed BSX trades against your own holdings. Politician strategies are research only, and trading from Congress disclosures is not enabled. Your money stays at your broker.