Congress Trades in Merck & Co., Inc. (MRK)
41 members of Congress have disclosed trading MRK.
Total trades
82
Purchases
44
Sales
38
Members
41
Est. volume
$1.3M
Last traded
Dec 19, 2025
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41 members of Congress have disclosed trading Merck & Co., Inc. (MRK), with 82 transactions in total — 44 purchases and 38 sales worth an estimated $1.3M at range midpoints, leaning toward buying. The most active MRK trader is Lois Frankel (9 disclosures). The most recent disclosed MRK trade was on Dec 19, 2025. See our full MRK fundamentals page for price, valuation and a return calculator.
Every disclosed MRK trade
| Disclosed | Politician | Type | Amount | Traded | |
|---|---|---|---|---|---|
| Jan 9, 2026 | Gilbert Cisneros D | Purchase | $1,001 - $15,000 | Dec 19, 2025 | filing ↗ |
| Jan 5, 2026 | Julie Johnson D | Sale | $1,001 - $15,000 | Dec 18, 2025 | filing ↗ |
| Sep 8, 2025 | Gilbert Cisneros D | Purchase | $1,001 - $15,000 | Aug 5, 2025 | filing ↗ |
| Aug 13, 2025 | Lisa McClain R | Sale | $1,001 - $15,000 | Aug 4, 2025 | filing ↗ |
| Aug 13, 2025 | Lisa McClain R | Purchase | $1,001 - $15,000 | Jun 24, 2025 | filing ↗ |
| Aug 11, 2025 | Sheri Biggs R | Sale | $15,001 - $50,000 | Mar 19, 2025 | filing ↗ |
| Aug 1, 2025 | Ritchie John Torres D | Purchase | $1,001 - $15,000 | Sep 26, 2024 | filing ↗ |
| Jul 9, 2025 | Julie Johnson D | Purchase | $1,001 - $15,000 | Jun 13, 2025 | filing ↗ |
| Jun 17, 2025 | Scott Scott Franklin R | Sale | $1,001 - $15,000 | Jun 16, 2025 | filing ↗ |
| Jun 4, 2025 | Gilbert Cisneros D | Sale | $1,001 - $15,000 | May 30, 2025 | filing ↗ |
| May 19, 2025 | Scott Scott Franklin R | Purchase | $1,001 - $15,000 | Aug 7, 2024 | filing ↗ |
| May 15, 2025 | Rob Bresnahan | Sale | $15,001 - $50,000 | May 15, 2025 | filing ↗ |
| May 6, 2025 | Marjorie Taylor Greene | Purchase | $1,001 - $15,000 | May 5, 2025 | filing ↗ |
| Apr 25, 2025 | Jefferson Shreve R | Sale | $15,001 - $50,000 | Apr 17, 2025 | filing ↗ |
| Apr 10, 2025 | Marjorie Taylor Greene | Purchase | $1,001 - $15,000 | Apr 9, 2025 | filing ↗ |
| Mar 1, 2025 | Jefferson Shreve R | Purchase | $15,001 - $50,000 | Feb 24, 2025 | filing ↗ |
| Feb 25, 2025 | Rob Bresnahan | Sale | $15,001 - $50,000 | Feb 25, 2025 | filing ↗ |
| Jan 31, 2025 | Jared Moskowitz D | Sale | $1,001 - $15,000 | Jan 15, 2025 | filing ↗ |
| Jan 30, 2025 | Byron Donalds R | Sale | $1,001 - $15,000 | Jan 16, 2025 | filing ↗ |
| Nov 30, 2024 | Jared Moskowitz D | Purchase | $1,001 - $15,000 | Nov 8, 2024 | filing ↗ |
| Sep 5, 2024 | John James R | Sale | $1,001 - $15,000 | Sep 4, 2024 | filing ↗ |
| Aug 16, 2024 | C. Scott Franklin R | Purchase | $1,001 - $15,000 | Aug 2, 2024 | filing ↗ |
| Aug 13, 2024 | John James R | Purchase | $1,001 - $15,000 | Nov 10, 2023 | filing ↗ |
| Aug 12, 2024 | Jared Moskowitz D | Purchase | $1,001 - $15,000 | Sep 1, 2023 | filing ↗ |
| Feb 2, 2024 | Kathy Manning | Purchase | $15,001 - $50,000 | Jan 23, 2024 | filing ↗ |
| Dec 31, 2023 | Jared Moskowitz D | Purchase | $1,001 - $15,000 | Dec 28, 2023 | filing ↗ |
| Oct 21, 2023 | Greg Stanton D | Purchase | $1,001 - $15,000 | Sep 26, 2023 | filing ↗ |
| Sep 15, 2023 | Michael C. Burgess | Sale | $1,001 - $15,000 | Sep 13, 2023 | filing ↗ |
| Aug 7, 2023 | Daniel Goldman | Sale | $1,001 - $15,000 | Jul 14, 2023 | filing ↗ |
| Jun 6, 2023 | Zoe Lofgren D | Sale | $1,001 - $15,000 | May 25, 2023 | filing ↗ |
| May 18, 2023 | Rick Larsen D | Purchase | $1,001 - $15,000 | Jul 7, 2022 | filing ↗ |
| Mar 3, 2022 | Robert J. Wittman R | Sale | $1,001 - $15,000 | Feb 28, 2022 | filing ↗ |
| Nov 26, 2021 | Bob Gibbs | Purchase | $1,001 - $15,000 | Nov 26, 2021 | filing ↗ |
| Oct 13, 2021 | Katherine M. Clark D | Sale | $1,001 - $15,000 | Sep 16, 2021 | filing ↗ |
| Oct 7, 2021 | Zoe Lofgren D | Purchase | $1,001 - $15,000 | Sep 30, 2021 | filing ↗ |
| Aug 13, 2021 | Katherine M. Clark D | Purchase | $1,001 - $15,000 | Jul 27, 2021 | filing ↗ |
| May 11, 2021 | Sara Jacobs D | Sale | $50,001 - $100,000 | Apr 9, 2021 | filing ↗ |
| Mar 26, 2021 | William R. Keating D | Purchase | $1,001 - $15,000 | Mar 17, 2021 | filing ↗ |
| Mar 15, 2021 | Richard W. Allen | Sale | $15,001 - $50,000 | Mar 10, 2021 | filing ↗ |
| Feb 3, 2021 | Peter Meijer | Sale | $1,001 - $15,000 | Jan 28, 2021 | filing ↗ |
| Feb 3, 2021 | Peter Meijer | Purchase | $1,001 - $15,000 | Jan 13, 2021 | filing ↗ |
| Dec 1, 2020 | Tom Malinowski | Sale | $15,001 - $50,000 | Nov 6, 2020 | filing ↗ |
| Dec 1, 2020 | Tom Malinowski | Sale | $15,001 - $50,000 | Nov 4, 2020 | filing ↗ |
| Oct 7, 2020 | Lois Frankel D | Purchase | $1,001 - $15,000 | Oct 7, 2020 | filing ↗ |
| Sep 23, 2020 | Lois Frankel D | Purchase | $1,001 - $15,000 | Sep 23, 2020 | filing ↗ |
| Sep 1, 2020 | Tom Malinowski | Purchase | $15,001 - $50,000 | Aug 26, 2020 | filing ↗ |
| Sep 1, 2020 | Tom Malinowski | Purchase | $15,001 - $50,000 | Aug 24, 2020 | filing ↗ |
| Jul 6, 2020 | Richard W. Allen | Purchase | $15,001 - $50,000 | Jul 2, 2020 | filing ↗ |
| Jul 6, 2020 | Richard W. Allen | Purchase | $15,001 - $50,000 | Jul 2, 2020 | filing ↗ |
| Apr 7, 2020 | Robert J. Wittman R | Purchase | $1,001 - $15,000 | Mar 30, 2020 | filing ↗ |
| Mar 23, 2020 | Zoe Lofgren D | Sale | $1,001 - $15,000 | Mar 23, 2020 | filing ↗ |
| Mar 3, 2020 | Mikie Sherrill | Sale | $1,001 - $15,000 | Feb 20, 2020 | filing ↗ |
| Feb 19, 2020 | Lois Frankel D | Purchase | $1,001 - $15,000 | Feb 19, 2020 | filing ↗ |
| Nov 30, 2019 | Thomas Suozzi D | Sale | $15,001 - $50,000 | Nov 18, 2019 | filing ↗ |
| Jul 22, 2019 | Bryan George Steil R | Sale | $1,001 - $15,000 | Jul 22, 2019 | filing ↗ |
| Jul 12, 2019 | Bryan George Steil R | Sale | $1,001 - $15,000 | Jul 12, 2019 | filing ↗ |
| May 8, 2019 | David P. Joyce R | Sale | $1,001 - $15,000 | Mar 29, 2018 | filing ↗ |
| May 2, 2019 | Mikie Sherrill | Sale | $1,001 - $15,000 | Apr 18, 2019 | filing ↗ |
| Mar 25, 2019 | Nicholas Van Taylor | Sale | $1,001 - $15,000 | Mar 25, 2019 | filing ↗ |
| Jan 9, 2018 | Alan S. Lowenthal | Sale | $567.58 | Jan 8, 2018 | filing ↗ |
| Jan 5, 2018 | Richard W. Allen | Sale | $1,001 - $15,000 | Nov 30, 2017 | filing ↗ |
| Dec 18, 2017 | Greg Gianforte | Sale | $15,001 - $50,000 | Dec 15, 2017 | filing ↗ |
| Dec 8, 2017 | John A. Yarmuth | Purchase | $1,001 - $15,000 | Nov 9, 2017 | filing ↗ |
| Aug 31, 2017 | Thomas Suozzi D | Purchase | $15,001 - $50,000 | Aug 17, 2017 | filing ↗ |
| Jul 31, 2017 | John Rutherford R | Purchase | $1,001 - $15,000 | Jul 17, 2017 | filing ↗ |
| Jul 12, 2017 | Zoe Lofgren D | Purchase | $1,001 - $15,000 | Jun 15, 2017 | filing ↗ |
| Mar 22, 2017 | Lois Frankel D | Sale | $1,001 - $15,000 | Mar 22, 2017 | filing ↗ |
| Mar 16, 2017 | Lois Frankel D | Sale | $1,001 - $15,000 | Mar 16, 2017 | filing ↗ |
| Aug 17, 2016 | Lois Frankel D | Sale | $1,001 - $15,000 | Aug 17, 2016 | filing ↗ |
| Mar 31, 2016 | E. Scott Rigell | Purchase | $15,001 - $50,000 | Mar 16, 2016 | filing ↗ |
| Feb 12, 2016 | Kathy Castor D | Purchase | $1,001 - $15,000 | Feb 12, 2016 | filing ↗ |
| Dec 3, 2015 | Katherine M. Clark D | Sale | $15,001 - $50,000 | Nov 18, 2015 | filing ↗ |
| Sep 2, 2015 | Scott H. Peters D | Sale | $50,001 - $100,000 | Sep 2, 2015 | filing ↗ |
| Jul 31, 2015 | Scott H. Peters D | Purchase | $15,001 - $50,000 | Jul 10, 2015 | filing ↗ |
| Jun 30, 2015 | Scott H. Peters D | Purchase | $15,001 - $50,000 | Jun 26, 2015 | filing ↗ |
| Jun 2, 2015 | E. Scott Rigell | Purchase | $1,001 - $15,000 | May 28, 2015 | filing ↗ |
| Nov 20, 2014 | Katherine M. Clark D | Purchase | $1,001 - $15,000 | Aug 26, 2014 | filing ↗ |
| Nov 20, 2014 | Katherine M. Clark D | Purchase | $1,001 - $15,000 | Feb 27, 2014 | filing ↗ |
| Oct 13, 2014 | Virginia Foxx R | Sale | $50,001 - $100,000 | Oct 13, 2014 | filing ↗ |
| Sep 22, 2014 | Lois Frankel D | Purchase | $1,001 - $15,000 | Sep 22, 2014 | filing ↗ |
Showing the 80 most recent of 82 disclosures.
Most active MRK traders in Congress
Lois Frankel
Democrat
9 trades
Katherine M. Clark
Democrat
5 trades
Jared Moskowitz
Democrat
4 trades
Zoe Lofgren
Democrat
4 trades
RW
Richard W. Allen
4 trades
TM
Tom Malinowski
4 trades
Gilbert Cisneros
Democrat
3 trades
Scott H. Peters
Democrat
3 trades
Source: US House Clerk Periodic Transaction Reports. Amounts are disclosed as ranges; estimates use range midpoints. Data may be delayed or contain filer errors. Not investment advice.