Merck & Co., Inc.
MRK- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000310158
In the last 90 days, Merck & Co., Inc. insiders filed 0 open-market purchases and 7 sales; 3,855 institutions reported holding it in 13F filings for Q2 2026, worth $254.3B in total; 4 superinvestors hold it, including Harris Associates (Oakmark) and Fairfax Financial.
Politicians who traded MRK
Since 2020, newest trade first. Shares and options by default, including trades reported under an earlier ticker.
- Trades
- 126
- Filings
- 102
- Politicians
- 45
- Buys / sells
- 57 / 68
- Estimated volume
- $1.89M
- Sum of range midpoints
| Politician | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
 Maria Elvira Salazar House · FL | 2 | 2 / 0 | $65.0K | Aug 19, 2026 | Sep 9, 2026 |
 Alan Armstrong Senate · OK | 1 | 0 / 1 | $32.5K | Mar 27, 2026 | Jul 21, 2026 |
 Josh Gottheimer House · NJ | 4 | 1 / 3 | $56.5K | Feb 4, 2026 | Mar 16, 2026 |
 Gilbert Ray Cisneros, Jr. House · CA | 8 | 5 / 3 | $113.0K | Dec 19, 2025 | Jan 12, 2026 |
 Julie Johnson House · TX | 5 | 2 / 3 | $40.0K | Dec 18, 2025 | Jan 15, 2026 |
 Val T. Hoyle House · OR | 2 | 1 / 1 | $16.0K | Sep 23, 2025 | Oct 10, 2025 |
 Marjorie Taylor Greene House · GA | 3 | 3 / 0 | $24.0K | Aug 28, 2025 | Aug 29, 2025 |
 Lisa C. McClain House · MI | 2 | 1 / 1 | $16.0K | Aug 4, 2025 | Sep 12, 2025 |
 Ritchie Torres House · NY | 2 | 1 / 1 | $16.0K | Jul 11, 2025 | Aug 20, 2025 |
 Scott Franklin House · FL | 4 | 2 / 2 | $56.5K | Jun 16, 2025 | Jul 14, 2025 |
 Robert P. Bresnahan, Jr. House · PA | 3 | 1 / 2 | $97.5K | May 15, 2025 | May 31, 2025 |
 Bruce Westerman House · AR | 2 | 1 / 1 | $16.0K | Apr 21, 2025 | May 12, 2025 |
 Jefferson Shreve House · IN | 2 | 1 / 1 | $65.0K | Apr 17, 2025 | May 8, 2025 |
 Kelly Morrison House · MN | 1 | 0 / 1 | $8.00K | Mar 20, 2025 | Apr 11, 2025 |
 Sheri Biggs House · SC | 1 | 0 / 1 | $32.5K | Mar 19, 2025 | Oct 5, 2025 |
 Byron Donalds House · FL | 2 | 0 / 2 | $16.0K | Jan 16, 2025 | Feb 10, 2025 |
 Jared Moskowitz House · FL | 9 | 6 / 3 | $72.0K | Jan 15, 2025 | Feb 10, 2025 |
 Jonathan L. Jackson House · IL | 1 | 0 / 1 | $32.5K | Sep 24, 2024 | Oct 11, 2024 |
 John James House · MI | 2 | 1 / 1 | $16.0K | Sep 4, 2024 | Sep 6, 2024 |
 Kathy E. Manning House · NC | 7 | 6 / 1 | $80.5K | Jul 2, 2024 | Aug 16, 2024 |
 Michael C. Burgess House · TX | 2 | 0 / 2 | $16.0K | Apr 10, 2024 | May 2, 2024 |
 Greg Stanton House · AZ | 2 | 1 / 1 | $16.0K | Oct 24, 2023 | Nov 9, 2023 |
 Tommy Tuberville Senate · AL | 3 | 1 / 2 | $24.0K | Oct 16, 2023 | Nov 16, 2023 |
 Pete Ricketts Senate · NE | 1 | 0 / 1 | $75.0K | Sep 21, 2023 | Oct 20, 2023 |
 Lois Frankel House · FL | 11 | 6 / 5 | $88.0K | Sep 8, 2023 | Oct 10, 2023 |
 Daniel S. Goldman House · NY | 5 | 2 / 3 | $64.5K | Jul 14, 2023 | Aug 13, 2023 |
 Zoe Lofgren House · CA | 3 | 1 / 2 | $24.0K | May 25, 2023 | Jun 6, 2023 |
 Rick Larsen House · WA | 1 | 1 / 0 | $8.00K | Jul 7, 2022 | May 26, 2023 |
 John H. Rutherford House · FL | 1 | 0 / 1 | $8.00K | Mar 16, 2022 | Apr 19, 2022 |
 Robert J. Wittman House · VA | 2 | 1 / 1 | $16.0K | Feb 28, 2022 | Mar 9, 2022 |
 Bob Gibbs House · OH | 1 | 1 / 0 | $8.00K | Nov 26, 2021 | Nov 28, 2021 |
 Katherine M. Clark House · MA | 3 | 2 / 1 | $24.0K | Sep 16, 2021 | Oct 14, 2021 |
 Carol D. Miller House · WV | 1 | 0 / 1 | $32.5K | Jul 28, 2021 | Sep 2, 2022 |
 John R. Curtis House · UT | 2 | 1 / 1 | $16.0K | Jul 19, 2021 | Aug 6, 2021 |
 John W. Hickenlooper Senate · CO | 1 | 0 / 0 | $8.00K | Jun 2, 2021 | Jul 9, 2021 |
 Sara Jacobs House · CA | 1 | 0 / 1 | $75.0K | Apr 9, 2021 | May 28, 2021 |
 William R. Keating House · MA | 1 | 1 / 0 | $8.00K | Mar 17, 2021 | Apr 27, 2021 |
 Rick W. Allen House · GA | 3 | 1 / 2 | $73.0K | Mar 10, 2021 | Aug 10, 2023 |
 Peter Meijer House · MI | 3 | 1 / 2 | $24.0K | Jan 28, 2021 | Feb 23, 2021 |
 Tom Malinowski House · NJ | 2 | 1 / 1 | $65.0K | Nov 4, 2020 | Aug 26, 2021 |
 David Perdue Senate · GA | 6 | 0 / 6 | $188.5K | Apr 16, 2020 | May 2, 2021 |
 Kelly Loeffler Senate · GA | 2 | 1 / 1 | $40.5K | Apr 7, 2020 | May 1, 2020 |
 Mikie Sherrill House · NJ | 2 | 0 / 2 | $8.77K | Feb 20, 2020 | Apr 5, 2020 |
 Mike Gallagher House · WI | 1 | 0 / 1 | $8.00K | Jan 13, 2020 | Feb 8, 2020 |
 Thomas R. Suozzi House · NY | 3 | 1 / 2 | $97.5K | Nov 18, 2019 | Dec 19, 2022 |
Trades
Reported trades in Merck & Co., Inc., newest filings first.
| Politician | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
Maria Elvira Salazar House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Self | Aug 19, 2026 | Sep 9, 2026 | 21 days | $15K-$50K | Filing |
Maria Elvira Salazar House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Self | Aug 19, 2026 | Sep 9, 2026 | 21 days | $15K-$50K | Filing |
Alan Armstrong Senate · OK | MRKMerck & Company, Inc. Common Stock (new) | Sell (full) | Self | Mar 27, 2026 | Jul 21, 2026 | 116 daysLate | $15K-$50K | Filing |
Josh Gottheimer House · NJ | MRKMerck & Company, Inc. Common Stock | Buy | Joint | Feb 4, 2026 | Mar 16, 2026 | 40 days | $1K-$15K | Filing |
Julie Johnson House · TX | MRKMerck & Company, Inc. Common Stock | Sell | Joint | Dec 18, 2025 | Jan 15, 2026 | 28 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Dec 19, 2025 | Jan 12, 2026 | 24 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Nov 18, 2025 | Dec 15, 2025 | 27 days | $1K-$15K | Filing |
Julie Johnson House · TX | MRKMerck & Company, Inc. Common Stock | Sell (partial) | Joint | Nov 13, 2025 | Dec 11, 2025 | 28 days | $1K-$15K | Filing |
Val T. Hoyle House · OR | MRKMerck & Company, Inc. Common Stock | Sell | Spouse | Sep 23, 2025 | Oct 10, 2025 | 17 days | $1K-$15K | Filing |
Sheri Biggs House · SC | MRKMerck & Company, Inc. Common Stock | Sell | Spouse | Mar 19, 2025 | Oct 5, 2025 | 200 daysLate | $15K-$50K | Filing |
Val T. Hoyle House · OR | MRKMerck & Company, Inc. Common Stock | Buy | Spouse | Oct 29, 2024 | Sep 12, 2025 | 318 daysLate | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Aug 5, 2025 | Sep 12, 2025 | 38 days | $1K-$15K | Filing |
Lisa C. McClain House · MI | MRKMerck & Company, Inc. Common Stock | Sell | Spouse | Aug 4, 2025 | Sep 12, 2025 | 39 days | $1K-$15K | Filing |
Julie Johnson House · TX | MRKMerck & Company, Inc. Common Stock | Sell (partial) | Joint | Aug 14, 2025 | Sep 11, 2025 | 28 days | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Aug 28, 2025 | Aug 29, 2025 | 1 day | $1K-$15K | Filing |
Ritchie Torres House · NY | MRKMerck & Company, Inc. Common Stock | Sell | Self | Jul 11, 2025 | Aug 20, 2025 | 40 days | $1K-$15K | Filing |
Ritchie Torres House · NY | MRKMerck & Company, Inc. Common Stock | Buy | Self | Sep 26, 2024 | Aug 20, 2025 | 328 daysLate | $1K-$15K | Filing |
Lisa C. McClain House · MI | MRKMerck & Company, Inc. Common Stock | Buy | Spouse | Jun 24, 2025 | Aug 13, 2025 | 50 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Joint | Jun 16, 2025 | Jul 14, 2025 | 28 days | $1K-$15K | Filing |
Julie Johnson House · TX | MRKMerck & Company, Inc. Common Stock | Buy | Joint | Jun 13, 2025 | Jul 14, 2025 | 31 days | $1K-$15K | Filing |
Scott Franklin House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Spouse | Aug 7, 2024 | Jul 3, 2025 | 330 daysLate | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Sell | Self | May 30, 2025 | Jun 6, 2025 | 7 days | $1K-$15K | Filing |
Robert P. Bresnahan, Jr. House · PA | MRKMerck & Company, Inc. Common Stock | Sell | Self | May 15, 2025 | May 31, 2025 | 16 days | $15K-$50K | Filing |
Bruce Westerman House · AR | MRKMerck & Company, Inc. Common Stock | Sell | Self | Apr 21, 2025 | May 12, 2025 | 21 days | $1K-$15K | Filing |
Robert P. Bresnahan, Jr. House · PA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Apr 8, 2025 | May 8, 2025 | 30 days | $15K-$50K | Filing |
Jefferson Shreve House · IN | MRKMerck & Company, Inc. Common Stock | Sell | Self | Apr 17, 2025 | May 8, 2025 | 21 days | $15K-$50K | Filing |
Marjorie Taylor Greene House · GA | MRKMerck & Company, Inc. Common Stock | Buy | Self | May 5, 2025 | May 6, 2025 | 1 day | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Apr 29, 2025 | May 6, 2025 | 7 days | $1K-$15K | Filing |
Bruce Westerman House · AR | MRKMerck & Company, Inc. Common Stock | Buy | Self | Mar 3, 2025 | Apr 16, 2025 | 44 days | $1K-$15K | Filing |
Marjorie Taylor Greene House · GA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Apr 9, 2025 | Apr 11, 2025 | 2 days | $1K-$15K | Filing |
Kelly Morrison House · MN | MRKMerck & Company, Inc. Common Stock | Sell (partial) | Self | Mar 20, 2025 | Apr 11, 2025 | 22 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Sell (partial) | Self | Mar 31, 2025 | Apr 7, 2025 | 7 days | $15K-$50K | Filing |
Robert P. Bresnahan, Jr. House · PA | MRKMerck & Company, Inc. Common Stock | Sell | Self | Feb 25, 2025 | Mar 27, 2025 | 30 days | $15K-$50K | Filing |
Jefferson Shreve House · IN | MRKMerck & Company, Inc. Common Stock | Buy | Self | Feb 24, 2025 | Mar 9, 2025 | 13 days | $15K-$50K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Buy | Self | Feb 26, 2025 | Mar 6, 2025 | 8 days | $15K-$50K | Filing |
Julie Johnson House · TX | MRKMerck & Company, Inc. Common Stock | Buy | Joint | Jan 17, 2025 | Feb 12, 2025 | 26 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | MRKMerck & Company, Inc. Common Stock | Sell | Self | Jan 24, 2025 | Feb 11, 2025 | 18 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | MRKMerck & Company, Inc. Common Stock | Sell | Joint | Jan 27, 2025 | Feb 10, 2025 | 14 days | $15K-$50K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Child | Jan 15, 2025 | Feb 10, 2025 | 26 days | $1K-$15K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Child | Jan 15, 2025 | Feb 10, 2025 | 26 days | $1K-$15K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Self | Jan 15, 2025 | Feb 10, 2025 | 26 days | $1K-$15K | Filing |
Byron Donalds House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Self | Jan 16, 2025 | Feb 10, 2025 | 25 days | $1K-$15K | Filing |
Byron Donalds House · FL | MRKMerck & Company, Inc. Common Stock | Sell | Spouse | Jan 16, 2025 | Feb 10, 2025 | 25 days | $1K-$15K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Child | Nov 8, 2024 | Dec 9, 2024 | 31 days | $1K-$15K | Filing |
Jonathan L. Jackson House · IL | MRKMerck & Company, Inc. Common Stock | Sell | Joint | Sep 24, 2024 | Oct 11, 2024 | 17 days | $15K-$50K | Filing |
John James House · MI | MRKMerck & Company, Inc. Common Stock | Sell | Self | Sep 4, 2024 | Sep 6, 2024 | 2 days | $1K-$15K | Filing |
John James House · MI | MRKMerck & Company, Inc. Common Stock | Buy | Self | Nov 10, 2023 | Sep 2, 2024 | 297 daysLate | $1K-$15K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Self | Jul 14, 2023 | Aug 21, 2024 | 404 daysLate | $1K-$15K | Filing |
Jared Moskowitz House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Self | Sep 1, 2023 | Aug 21, 2024 | 355 daysLate | $1K-$15K | Filing |
Scott Franklin House · FL | MRKMerck & Company, Inc. Common Stock | Buy | Self | Aug 2, 2024 | Aug 20, 2024 | 18 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report. Profiles, committees and photos: the unitedstates project (public domain). District maps: U.S. Census Bureau.