Congress trades in Merck & Co. (MRK)
Healthcare · Drug Manufacturers - General
40 members of Congress have disclosed 172 trades in Merck & Co. (MRK) since 2015: 85 buys and 87 sales. The most recent was disclosed on Oct 16, 2026. 1 trade was made by members of a committee that oversees Merck & Co.'s industry.
- Trades disclosed
- 172
- Members trading
- 40
- Buys / sells
- 85 / 87
- Reported value
- $1.7M–$6M
Committee overlaps
Trades by members of a committee that oversees Merck & Co.'s industry. An overlap is a fact about the trade, not evidence of wrongdoing.
Who traded MRK
- Sen. David Perdue (R-GA)22 buys · 16 sales2216May 2, 2021
- Rep. Ro Khanna (D-CA-17)14 buys · 9 sales149Oct 9, 2026
- Rep. Michael T. McCaul (R-TX-10)2 buys · 8 sales28Oct 16, 2026
- Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)5 buys · 3 sales53Jan 12, 2026
- Rep. Jared Moskowitz (D-FL-23)4 buys · 2 sales42Feb 11, 2025
- Sen. Sheldon Whitehouse (D-RI)5 buys · 1 sale51Dec 11, 2017
- Rep. Julie Johnson (D-TX-32)2 buys · 3 sales23Jan 16, 2026
- Sen. Shelley Moore Capito (R-WV)1 buy · 4 sales14May 9, 2019
- Rep. Maria Elvira Salazar (R-FL-27)3 buys · 1 sale31Oct 8, 2026
- Rep. Scott Franklin (R-FL-18)2 buys · 2 sales22Jul 15, 2025
- Rep. Lois Frankel (D-FL-22)0 buys · 4 sales04Oct 10, 2023
- Rep. Josh Gottheimer (D-NJ-5)1 buy · 2 sales12Mar 17, 2026
- Rep. Marjorie Taylor Greene (R-GA-14)3 buys · 0 sales30Sep 1, 2025
- Rep. Robert P. Bresnahan, Jr. (R-PA-8)1 buy · 2 sales12Jun 2, 2025
- Rep. Kathy E. Manning (D-NC-6)3 buys · 0 sales30Aug 16, 2024
- Sen. Tommy Tuberville (R-AL)1 buy · 2 sales12Nov 16, 2023
- Rep. Daniel S. Goldman (D-NY-10)1 buy · 2 sales12Aug 13, 2023
- Rep. Rick W. Allen (R-GA-12)1 buy · 2 sales12Aug 10, 2023
- Sen. Kelly Loeffler (R-GA)1 buy · 2 sales12May 1, 2020
- Sen. James M. Inhofe (R-OK)2 buys · 1 sale21Jan 17, 2019
- Rep. Keith Self (R-TX-3)0 buys · 2 sales02Jul 1, 2026
- Rep. Val T. Hoyle (D-OR-4)1 buy · 1 sale11Oct 10, 2025
- Rep. Lisa C. McClain (R-MI-9)1 buy · 1 sale11Sep 15, 2025
- Rep. Ritchie Torres (D-NY-15)1 buy · 1 sale11Aug 20, 2025
- Rep. Bruce Westerman (R-AR-4)1 buy · 1 sale11May 13, 2025
All trades
- Oct 16, 2026$50K–$100K
Rep. Michael T. McCaul (R-TX-10)
$50K–$100K · Traded Aug 28, 2026 · disclosed Oct 16, 2026 · Spouse · filed 49 days later
- Oct 9, 2026$1K–$15K
Rep. Ro Khanna (D-CA-17)
$1K–$15K · Traded Sep 4, 2026 · disclosed Oct 9, 2026 · Spouse
- Oct 8, 2026$1K–$15K
Rep. Maria Elvira Salazar (R-FL-27)
$1K–$15K · Traded Sep 24, 2026 · disclosed Oct 8, 2026
- Sep 10, 2026$15K–$50K
Rep. Maria Elvira Salazar (R-FL-27)
$15K–$50K · Traded Aug 19, 2026 · disclosed Sep 10, 2026
- Sep 10, 2026$15K–$50K
Rep. Maria Elvira Salazar (R-FL-27)
$15K–$50K · Traded Aug 19, 2026 · disclosed Sep 10, 2026
- Sep 10, 2026$15K–$50K
Rep. Maria Elvira Salazar (R-FL-27)
$15K–$50K · Traded Aug 19, 2026 · disclosed Sep 10, 2026
- Sep 7, 2026$15K–$50K
Rep. Ro Khanna (D-CA-17)
$15K–$50K · Traded Aug 7, 2026 · disclosed Sep 7, 2026 · Dependent
- Jul 21, 2026$15K–$50K
Sen. Alan Armstrong (R-OK)
$15K–$50K · Traded Mar 27, 2026 · disclosed Jul 21, 2026 · filed 116 days later
Committee overlap: HELP - Jul 1, 2026$1K–$15K
Rep. Keith Self (R-TX-3)
$1K–$15K · Traded Jan 10, 2025 · disclosed Jul 1, 2026 · filed 537 days later
- Mar 17, 2026$1K–$15K
Rep. Josh Gottheimer (D-NJ-5)
$1K–$15K · Traded Feb 4, 2026 · disclosed Mar 17, 2026 · Joint
- Feb 12, 2026$15K–$50K
Rep. Michael T. McCaul (R-TX-10)
$15K–$50K · Traded Jan 13, 2026 · disclosed Feb 12, 2026 · Spouse
- Feb 10, 2026$15K–$50K
Rep. Ro Khanna (D-CA-17)
$15K–$50K · Traded Jan 29, 2026 · disclosed Feb 10, 2026 · Spouse
- Jan 16, 2026$1K–$15K
Rep. Julie Johnson (D-TX-32)
$1K–$15K · Traded Dec 18, 2025 · disclosed Jan 16, 2026 · Joint
- Jan 12, 2026$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded Dec 19, 2025 · disclosed Jan 12, 2026
- Dec 15, 2025$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded Nov 18, 2025 · disclosed Dec 15, 2025
- Dec 12, 2025$1K–$15K
Rep. Julie Johnson (D-TX-32)
Sold (partial) Merck & Co. MRK
$1K–$15K · Traded Nov 13, 2025 · disclosed Dec 12, 2025 · Joint
- Oct 10, 2025$1K–$15K
Rep. Val T. Hoyle (D-OR-4)
$1K–$15K · Traded Sep 23, 2025 · disclosed Oct 10, 2025 · Spouse
- Oct 6, 2025$15K–$50K
Rep. Sheri Biggs (R-SC-3)
$15K–$50K · Traded Mar 19, 2025 · disclosed Oct 6, 2025 · Spouse · filed 201 days later
- Oct 3, 2025$1K–$15K
- Sep 15, 2025$1K–$15K
Rep. Lisa C. McClain (R-MI-9)
$1K–$15K · Traded Aug 4, 2025 · disclosed Sep 15, 2025 · Spouse
- Sep 12, 2025$1K–$15K
Rep. Julie Johnson (D-TX-32)
Sold (partial) Merck & Co. MRK
$1K–$15K · Traded Aug 14, 2025 · disclosed Sep 12, 2025 · Joint
- Sep 12, 2025$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded Aug 5, 2025 · disclosed Sep 12, 2025
- Sep 12, 2025$1K–$15K
Rep. Val T. Hoyle (D-OR-4)
$1K–$15K · Traded Oct 29, 2024 · disclosed Sep 12, 2025 · Spouse · filed 318 days later
- Sep 1, 2025$1K–$15K
Rep. Marjorie Taylor Greene (R-GA-14)
$1K–$15K · Traded Aug 28, 2025 · disclosed Sep 1, 2025
- Aug 20, 2025$1K–$15K
Rep. Ritchie Torres (D-NY-15)
$1K–$15K · Traded Jul 11, 2025 · disclosed Aug 20, 2025
- Aug 20, 2025$1K–$15K
Rep. Ritchie Torres (D-NY-15)
$1K–$15K · Traded Sep 26, 2024 · disclosed Aug 20, 2025 · filed 328 days later
- Aug 13, 2025$1K–$15K
Rep. Lisa C. McClain (R-MI-9)
$1K–$15K · Traded Jun 24, 2025 · disclosed Aug 13, 2025 · Spouse · filed 50 days later
- Jul 15, 2025$1K–$15K
Rep. Scott Franklin (R-FL-18)
$1K–$15K · Traded Jun 16, 2025 · disclosed Jul 15, 2025 · Joint
- Jul 15, 2025$1K–$15K
Rep. Julie Johnson (D-TX-32)
$1K–$15K · Traded Jun 13, 2025 · disclosed Jul 15, 2025 · Joint
- Jul 4, 2025$1K–$15K
Rep. Scott Franklin (R-FL-18)
$1K–$15K · Traded Aug 7, 2024 · disclosed Jul 4, 2025 · Spouse · filed 331 days later
- Jun 12, 2025$50K–$100K
Rep. Michael T. McCaul (R-TX-10)
$50K–$100K · Traded May 19, 2025 · disclosed Jun 12, 2025 · Spouse
- Jun 12, 2025$1K–$15K
Rep. Ro Khanna (D-CA-17)
$1K–$15K · Traded May 9, 2025 · disclosed Jun 12, 2025 · Spouse
- Jun 12, 2025$1K–$15K
Rep. Ro Khanna (D-CA-17)
$1K–$15K · Traded May 9, 2025 · disclosed Jun 12, 2025 · Dependent
- Jun 9, 2025$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded May 30, 2025 · disclosed Jun 9, 2025
- Jun 2, 2025$15K–$50K
Rep. Robert P. Bresnahan, Jr. (R-PA-8)
$15K–$50K · Traded May 15, 2025 · disclosed Jun 2, 2025
- May 15, 2025$100K–$250K
Rep. Michael T. McCaul (R-TX-10)
$100K–$250K · Traded Apr 2, 2025 · disclosed May 15, 2025 · Spouse
- May 13, 2025$1K–$15K
Rep. Bruce Westerman (R-AR-4)
$1K–$15K · Traded Apr 21, 2025 · disclosed May 13, 2025
- May 9, 2025$15K–$50K
Rep. Jefferson Shreve (R-IN-6)
$15K–$50K · Traded Apr 17, 2025 · disclosed May 9, 2025
- May 8, 2025$15K–$50K
Rep. Robert P. Bresnahan, Jr. (R-PA-8)
$15K–$50K · Traded Apr 8, 2025 · disclosed May 8, 2025
- May 7, 2025$1K–$15K
Rep. Marjorie Taylor Greene (R-GA-14)
$1K–$15K · Traded May 5, 2025 · disclosed May 7, 2025
- May 7, 2025$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded Apr 29, 2025 · disclosed May 7, 2025
- Apr 17, 2025$1K–$15K
Rep. Bruce Westerman (R-AR-4)
$1K–$15K · Traded Mar 3, 2025 · disclosed Apr 17, 2025
- Apr 11, 2025$1K–$15K
Rep. Marjorie Taylor Greene (R-GA-14)
$1K–$15K · Traded Apr 9, 2025 · disclosed Apr 11, 2025
- Apr 11, 2025$1K–$15K
Rep. Kelly Morrison (D-MN-3)
Sold (partial) Merck & Co. MRK
$1K–$15K · Traded Mar 20, 2025 · disclosed Apr 11, 2025
- Apr 7, 2025$15K–$50K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
Sold (partial) Merck & Co. MRK
$15K–$50K · Traded Mar 31, 2025 · disclosed Apr 7, 2025
- Mar 28, 2025$15K–$50K
Rep. Robert P. Bresnahan, Jr. (R-PA-8)
$15K–$50K · Traded Feb 25, 2025 · disclosed Mar 28, 2025
- Mar 9, 2025$15K–$50K
Rep. Jefferson Shreve (R-IN-6)
$15K–$50K · Traded Feb 24, 2025 · disclosed Mar 9, 2025
- Mar 7, 2025$15K–$50K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$15K–$50K · Traded Feb 26, 2025 · disclosed Mar 7, 2025
- Feb 12, 2025$1K–$15K
Rep. Gilbert Ray Cisneros, Jr. (D-CA-31)
$1K–$15K · Traded Jan 24, 2025 · disclosed Feb 12, 2025
- Feb 12, 2025$1K–$15K
Rep. Julie Johnson (D-TX-32)
$1K–$15K · Traded Jan 17, 2025 · disclosed Feb 12, 2025 · Joint
From periodic transaction reports filed under the STOCK Act. Amounts are the ranges members report, and trades can be disclosed up to 45 days after they happen. Nothing here is investment advice.