Congress Trading MRK
67 members of Congress have disclosed 404 trades in MRK under the STOCK Act. Amounts are official disclosure ranges; volume estimates use band midpoints.
MRK
Net: mixed
Updated Sep 27, 2026
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Official STOCK Act filingsMember-level trade countsDisclosure lag visible
Members trading
67
Disclosed trades
404
Purchases
209
Sales
190
Est. buy volume
$4.2M
Est. sell volume
$5.4M
Members trading MRK
Ranked by disclosed MRK trade count. Net volume uses band midpoints from the filing ranges.
| Member | Trades | Buys / Sells | Net direction | Est. net | Last trade |
|---|---|---|---|---|---|
| Ro Khanna Democrat · House | 140 | 80B / 58S | mixed | -$174K | Aug 24, 2026 |
| Michael T. McCaul Republican · House | 50 | 20B / 30S | mixed | -$504K | Jan 13, 2026 |
| David Perdue Republican · Senate | 26 | 15B / 11S | mixed | -$108K | Apr 16, 2020 |
| Lois Frankel Democrat · House | 23 | 13B / 10S | mixed | $24K | Sep 8, 2023 |
| Katherine M. Clark Democrat · House | 9 | 6B / 3S | mixed | -$499 | Sep 16, 2021 |
| Gilbert Cisneros Democrat · House | 8 | 5B / 3S | mixed | $16K | Dec 19, 2025 |
| Jared Moskowitz Democrat · House | 8 | 6B / 2S | mixed | $32K | Jan 15, 2025 |
| Kathy Manning Democrat · House | 7 | 6B / 1S | buying | $65K | Jul 2, 2024 |
| Scott H. Peters Democrat · House | 6 | 4B / 2S | mixed | -$20K | Sep 2, 2015 |
| Julie Johnson Democrat · House | 5 | 2B / 3S | mixed | -$8K | Dec 18, 2025 |
| Daniel Goldman Democrat · House | 5 | 2B / 3S | mixed | -$33K | Jul 14, 2023 |
| Virginia Foxx Republican · House | 4 | 2B / 2S | selling | -$67K | Nov 21, 2017 |
| Sheldon Whitehouse Democrat · Senate | 4 | 3B / 1S | mixed | -$8K | Nov 27, 2017 |
| C. Scott Franklin Republican · House | 4 | 2B / 2S | mixed | -$25K | Jun 16, 2025 |
| Zoe Lofgren Democrat · House | 4 | 2B / 2S | mixed | $0 | May 25, 2023 |
| Josh Gottheimer Democrat · House | 4 | 1B / 3S | selling | -$41K | Feb 4, 2026 |
| James M. Inhofe Republican · Senate | 3 | 2B / 1S | mixed | -$67K | Jan 11, 2019 |
| Rob Bresnahan Republican · House | 3 | 1B / 2S | mixed | -$33K | May 15, 2025 |
| Richard W. Allen Republican · House | 3 | 1B / 2S | mixed | -$8K | Mar 10, 2021 |
| Thomas Suozzi Democrat · House | 3 | 1B / 2S | mixed | -$33K | Nov 18, 2019 |
| Alan S. Lowenthal Democrat · House | 3 | 1B / 2S | mixed | -$568 | Jan 8, 2018 |
| Thad Cochran Republican · Senate | 3 | 1B / 2S | mixed | $16K | Oct 3, 2016 |
| Marjorie Taylor Greene Republican · House | 3 | 3B / 0S | buying | $24K | Aug 28, 2025 |
| John A. Yarmuth Democrat · House | 3 | 2B / 1S | mixed | $8K | Nov 9, 2017 |
| Bob Corker Republican · Senate | 3 | 2B / 1S | mixed | $8K | May 20, 2014 |
Recent MRK disclosures
Latest STOCK Act filings mentioning MRK.
| Trade date | Member | Type | Amount | Excess return | Filed |
|---|---|---|---|---|---|
| Aug 24, 2026 | Ro Khanna | Purchase | $50M+ | -2.5% | Sep 4, 2026 |
| Aug 19, 2026 | Maria Elvira Salazar | Purchase | $50M+ | -2.8% | Sep 9, 2026 |
| Aug 19, 2026 | Maria Elvira Salazar | Purchase | $50M+ | -2.8% | Sep 9, 2026 |
| Aug 7, 2026 | Ro Khanna | Purchase | $50M+ | +15.7% | Sep 4, 2026 |
| Jul 8, 2026 | Ro Khanna | Purchase | $50M+ | +14.4% | Aug 7, 2026 |
| Jun 16, 2026 | Ro Khanna | Purchase | $50M+ | +26.1% | Jul 6, 2026 |
| Jun 2, 2026 | Ro Khanna | Purchase | $50M+ | +26.9% | Jul 6, 2026 |
| May 15, 2026 | Ro Khanna | Sale | $50M+ | +29.0% | Jun 9, 2026 |
| Mar 27, 2026 | Alan Armstrong | Sale (Full) | $50M+ | +2.4% | Jul 21, 2026 |
| Mar 10, 2026 | Ro Khanna | Purchase | $50M+ | +12.9% | Apr 7, 2026 |
| Feb 4, 2026 | Josh Gottheimer | Purchase | $50M+ | +13.1% | Mar 16, 2026 |
| Jan 13, 2026 | Michael T. McCaul | Sale | $50M+ | +26.0% | Feb 11, 2026 |
| Dec 19, 2025 | Gilbert Cisneros | Purchase | $50M+ | +33.9% | Jan 12, 2026 |
| Dec 18, 2025 | Julie Johnson | Sale | $50M+ | +33.5% | Jan 15, 2026 |
| Nov 18, 2025 | Gilbert Cisneros | Purchase | $50M+ | +37.2% | Dec 15, 2025 |
| Nov 13, 2025 | Julie Johnson | Sale | $50M+ | +45.1% | Dec 11, 2025 |
| Oct 27, 2025 | Michael T. McCaul | Sale | $50M+ | +56.2% | Nov 10, 2025 |
| Sep 29, 2025 | Ro Khanna | Sale | $50M+ | +72.8% | Oct 3, 2025 |
| Sep 23, 2025 | Valerie Hoyle | Sale | $50M+ | +69.8% | Oct 10, 2025 |
| Aug 28, 2025 | Marjorie Taylor Greene | Purchase | $50M+ | +59.6% | Aug 29, 2025 |
| Aug 22, 2025 | Michael T. McCaul | Sale | $50M+ | +50.5% | Sep 11, 2025 |
| Aug 22, 2025 | Michael T. McCaul | Sale | $50M+ | +50.5% | Sep 11, 2025 |
| Aug 14, 2025 | Julie Johnson | Sale | $50M+ | +59.9% | Sep 11, 2025 |
| Aug 5, 2025 | Gilbert Cisneros | Purchase | $50M+ | +61.0% | Sep 12, 2025 |
| Aug 4, 2025 | Ro Khanna | Purchase | $50M+ | +63.8% | Sep 9, 2025 |
| Aug 4, 2025 | Ro Khanna | Purchase | $50M+ | +63.8% | Sep 9, 2025 |
| Aug 4, 2025 | Lisa Mcclain | Sale | $50M+ | +63.8% | Sep 12, 2025 |
| Jul 11, 2025 | Ritchie John Torres | Sale | $50M+ | +54.5% | Aug 20, 2025 |
| Jul 1, 2025 | Ro Khanna | Purchase | $50M+ | +56.7% | Aug 7, 2025 |
| Jul 1, 2025 | Ro Khanna | Purchase | $50M+ | +56.7% | Aug 7, 2025 |
| Jun 27, 2025 | Michael T. McCaul | Sale | $50M+ | +62.7% | Jul 7, 2025 |
| Jun 24, 2025 | Lisa Mcclain | Purchase | $50M+ | +58.2% | Aug 13, 2025 |
| Jun 23, 2025 | Ro Khanna | Purchase | $50M+ | +57.1% | Jul 9, 2025 |
| Jun 20, 2025 | Ro Khanna | Purchase | $50M+ | +58.4% | Jul 9, 2025 |
| Jun 20, 2025 | Ro Khanna | Purchase | $50M+ | +58.4% | Jul 9, 2025 |
| Jun 16, 2025 | C. Scott Franklin | Sale | $50M+ | +55.5% | Jul 14, 2025 |
| Jun 13, 2025 | Julie Johnson | Purchase | $50M+ | +52.6% | Jul 14, 2025 |
| May 30, 2025 | Gilbert Cisneros | Sale | $50M+ | +62.4% | Jun 6, 2025 |
| May 28, 2025 | Ro Khanna | Purchase | $50M+ | +63.8% | Jun 10, 2025 |
| May 19, 2025 | Michael T. McCaul | Purchase | $50M+ | +62.7% | Jun 9, 2025 |
Frequently asked questions
Which members of Congress trade MRK?
67 tracked members have disclosed MRK trades. The most active include Ro Khanna, Michael T. McCaul, David Perdue, Lois Frankel, Katherine M. Clark. Each row shows buy/sell counts and estimated band-midpoint volume from official STOCK Act filings.
Is Congress buying or selling MRK?
Across disclosed share trades, the net direction estimate is "mixed" (band midpoints: purchases $4.2M, sales $5.4M). Ranges can overlap, so direction is only reported when the bands prove it.
How fresh is the MRK 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 Sep 27, 2026.
Can Tengu research Congress trades in MRK?
Yes. Tengu can research disclosed MRK trades against your own holdings and draft an order that routes to your broker only after you approve it. Your money stays at your broker.