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MRK
Ticker
MRK
Merck & Co. Inc.
Healthcare
Congressional Trades
100
by 23 members
Buys
43
43%
Sells
54
54%
Total Volume
$2.0M
midpoint
Unique Traders
23
members
Party Breakdown
Democrats65 · 65%
Republicans35 · 35%
Party Trading Divergence
Democrat vs. Republican buy / sell pressure by monthMODERATEBar length = total trades. Color = net sentiment — green = net buying, red = net selling. Months with no activity hidden.
Democrat ←
Month
→ Republican
—
Oct '23
0▲1▼
1▲
Dec '23
—
1▲
Feb '24⚡
0▲1▼
0▲1▼
Jun '24
—
0▲1▼
Jul '24
—
—
Aug '24
3▲
1▲2▼
Sep '24
0▲1▼
2▲
Oct '24
—
1▲1▼
Nov '24
0▲2▼
1▲6▼
Jan '25
0▲3▼
3▲
Feb '25
1▲1▼
0▲2▼
Mar '25
1▲1▼
3▲1▼
Apr '25
2▲2▼
1▲5▼
May '25
1▲2▼
5▲
Jun '25⚡
2▲3▼
1▲2▼
Jul '25
—
3▲2▼
Aug '25⚡
0▲3▼
0▲3▼
Sep '25
—
—
Oct '25
0▲1▼
2▲2▼
Nov '25
—
2▲2▼
Dec '25
—
—
Jan '26
0▲1▼
2▲
Feb '26
—
1▲
Mar '26
—
Democrats30▲30▼Neutral
vs
Republicans10▲22▼Net sellers
Net buyingNet selling⚡ Party split
🏛️ Federal Contracts
all →- 2026-04-15$23KDepartment of Veterans AffairsWELIREG 40 MG
- 2026-03-27$361.3MDepartment of Health and Human ServicesVACCINES FOR CHILDREN
- 2026-02-27$21KDepartment of Veterans AffairsWINREVAIR 45MG - EMERGENCY PHARMACEUTICAL
- 2026-02-12$18KDepartment of JusticeMERCK TRAVEL VACCINES
- 2026-02-09$21KDepartment of Veterans AffairsEMERGENCY PHARMACEUTICAL - WINREVAIR 45MG/VIAL
- 2026-01-21$21KDepartment of Veterans AffairsWINREVAIR 90 MG KIT
- 2026-01-16$21KDepartment of Veterans AffairsEMERGENCY PHARMACEUTICAL - WINREVAIR 45MG
- 2026-01-13$96KDepartment of Veterans AffairsWINREVAIR, SOTATERCEPT-CSRK 60MG/VIAL INJ,LYPHL NDC: 00006-5091-01
💼 Lobbying Filings
all →- 2026-04-20$4.2MMERCK & CO INCS. 1339, Pharmacy Benefit Manager Reform Act S. 2076, Pioneering Antimicrobial Subscriptions To End Upsurging Resistance (PASTEUR) Act of 2021 Issues relating to, 340B program integrity; 340B of the Public Health Services Act; 340B issues; 340B drug pricing program; Drug pricing; Drug pricing and reimbursement issues; Cost and value of medicines; Vaccine issues; Package inserts and e-labeling; Package inserts, labeling issues, and e-labeling authorization legislation; Pharmaceutical supply channel issues; Drug shortages issues; Inflation Reduction Act (P.L. 117-169), issues relating to drug pricing provisions; One Big Beautiful Bill Act (P.L. 119-21), issues related to health care; FY-2027 Budget and Appropriations Legislation; Budget reconciliation drug pricing provisions; Commerce Justice, Science, and related agencies appropriations legislation for 2026; Interior, Environment, and related agencies appropriations legislation for 2026; Intellectual property protection and trade issues
- 2026-04-20$70KMERCK & CO. INC.Issues related to pharmacy benefit management reforms. Issues related to vaccine policy. Issues related to supply chain and domestic manufacturing capacity. Issues related to drug pricing and implementation of the Inflation Reduction Act. H.R. 1492, the Ensuring Pathways to Innovative Cures Act. Issues related to pharmacy benefit management reforms. Issues related to Most Favored Nation drug pricing. Monitored implementation of H.R. 1 (P.L. 119-21), One Big Beautiful Bill Act, as it relates to corporate taxes. Issues related to tariffs.
- 2026-04-20$50KMERCK & CO INCDrug pricing proposals. Pharmacy Benefit Manager reform proposals, clinical trial reforms, 340B. Vaccine safety and access issues, FDA reforms and changes, drug supply and shortage issues. Tax policy impacting health care and pharmaceutical industry; implementation of PL 119-21. Drug pricing proposals. Pharmacy Benefit Manager reform proposals. H.R. 1, "One Big Beautiful Bill Act" implementation and ORPHAN CURES Act, Implementation of IRA, and policy changes including the EPIC Act, Medicaid drug rebate program, Issues related to drug pricing in Medicare Parts B and D; Issues related to Most Favored Nation (MFN) drug pricing proposals. General pharmaceutical issues; Vaccine Injury Compensation Program (VICP); Pharmacy Benefit Manager (PBM) policy issues. Monitor Section 232 investigations, new trade agreements and tariffs, pharmaceutical IP.
- 2026-04-20$50KMERCKFederal budget issues IRA, innovation, drug pricing in federal programs, hepatitis C, HPV, transparency, drug pricing, vaccines, biosimilars, PAHPA IRA, Medicare and Medicaid payment and coverage issues
- 2026-04-20$50KMERCK & CO. INC.340B issues. Antimicrobial resistance. Supply Chain. Vaccine issues. Food and Drug Administration issues. Drug Pricing. S.864: HELP Copays Act.
- 2026-04-20$50KMERCK & CO. INC.Issues related to vaccines; Public Law No: 119-75, Consolidated Appropriations Act, 2026 - issues related to expiring healthcare extenders and expiring Advanced Premium Tax Credits (APTC) Issues related to Medicare and Medicaid coverage and reimbursement; Issues related to cyclic peptides; Issues related to Most Favored Nation (MFN) drug pricing proposal; Issues related to the implementation of the Inflation Reduction Act of 2022; Issues related to Senate Finance Dear Colleague process
- 2026-04-20$40KMERCK & CO. INC.Issues related to pharmaceutical IP, supply chain, and tariffs; Section 232 tariff investigation on branded pharmaceuticals. Biopharmaceutical innovation and patent policy issues. Bayh-Dole march-in rights policy issues. Issues related to health care, the Food and Drug Administration (FDA), oncology coverage, 340B Program, drug pricing, importation of biopharmaceuticals, international pharmaceutical supply chain, TRICARE Pharmacy Program (FY2027 National Defense Authorization Act), antimicrobial resistance, VICP Program, PBM reform, vaccine schedule and vaccine safety; Pandemic and All-Hazards Preparedness Act (PAHPA) reauthorization; S.891, Bipartisan Health Care Act; Delivering Most-Favored-Nation Prescription Drug Pricing to American Patients Executive Order. General issues related to Medicare and Medicaid, including: Part D Medicare Program; Medicare Part B reimbursement; CMMI Drug Pricing Demonstration Programs; Drug Pricing; Inflation Reduction Act of 2022 (P.L.117-169) imp
- 2026-04-19$80KMERCK KGAA DARMSTADT GERMANYIssues related to chemical manufacturing. Issues related to domestic and international trade and tariff policies. Issues related to life sciences, laboratory and chemical manufacturing.
- 2026-04-19$50KTIBER CREEK GROUP (ON BEHALF OF MERCK & CO INC)
- 2026-04-18$50KMERCK & CO. INC.Education around access to vaccines. Public Law 119-21: One Big Beautiful Bill Act.
Congressional Momentum
buy vs. sell pressureACCUMULATINGScore 0–100: above 50 = net buying pressure, below 50 = net selling. Signal based on last 90 days.
Last 30 Days
No trades
Last 90 Days
▲100
1 buy1 total0 sells
$33K buys · $0 sells
All-Time
▼40
43 buys99 total56 sells
$799K buys · $1.2M sells
Cumulative Net Position (buy vol − sell vol)
-$410K
2021-03100 trades plotted2026-03
Trade Activity Timeline
Congressional buys & sells by month · last 24 months w/ activity
23/10
23/12
24/02
24/06
24/07
24/08
24/09
24/10
24/11
25/01
25/02
25/03
25/04
25/05
25/06
25/07
25/08
25/09
25/10
25/11
25/12
26/01
26/02
26/03
BuysSellsOtherHigh-volume month
Who Moved First
each row = one member · sorted by earliest disclosed trade15 buyers ·21 sellers
BuySellOtherDot size ∝ trade size · top 15 most-active traders shown
8 less-active traders not shown.
All Disclosed Trades
| Date | Member | Action | Amount | Filing Delay |
|---|---|---|---|---|
| 2026-03-10 | DRo Khanna | BUY | $15K – $50K | 28d |
| 2026-02-04 | DJosh Gottheimer | BUY | $1K – $15K | 41d |
| 2026-02-04 | DJosh Gottheimer | BUY | $1K – $15K | 40d |
| 2026-01-13 | RMichael McCaul | SELL | $15K – $50K | 29d |
| 2025-12-18 | DJulie Johnson | SELL | $1K – $15K | 29d |
| 2025-12-18 | DJulie Johnson | SELL | $1K – $15K | 28d |
| 2025-12-19 | DGilbert Cisneros | BUY | $1K – $15K | 25d |
| 2025-12-19 | DGilbert Cisneros | BUY | $1K – $15K | 24d |
| 2025-11-18 | DGilbert Cisneros | BUY | $1K – $15K | 28d |
| 2025-11-18 | DGilbert Cisneros | BUY | $1K – $15K | 27d |
| 2025-11-13 | DJulie Johnson | SELL | $1K – $15K | 29d |
| 2025-11-13 | DJulie Johnson | SELL | $1K – $15K | 28d |
| 2025-10-27 | RMichael McCaul | SELL | $15K – $50K | 14d |
| 2025-09-23 | DValerie Hoyle | SELL | $1K – $15K | 17d |
| 2025-09-23 | DValerie Hoyle | SELL | $1K – $15K | 17d |
| 2025-03-19 | RSheri Biggs | SELL | $15K – $50K | 200d |
| 2025-09-29 | DRo Khanna | SELL | $1K – $15K | 4d |
| 2025-08-05 | DGilbert Cisneros | BUY | $1K – $15K | 41d |
| 2025-08-04 | RLisa McClain | SELL | $1K – $15K | 42d |
| 2025-08-14 | DJulie Johnson | SELL | $1K – $15K | 29d |
| 2025-08-05 | DGilbert Cisneros | BUY | $1K – $15K | 38d |
| 2025-08-04 | RLisa McClain | SELL | $1K – $15K | 39d |
| 2024-10-29 | DValerie Hoyle | BUY | $1K – $15K | 318d |
| 2025-08-22 | RMichael McCaul | SELL | $50K – $100K | 20d |
| 2025-08-14 | DJulie Johnson | SELL | $1K – $15K | 28d |
| 2025-08-04 | DRo Khanna | BUY | $1K – $15K | 36d |
| 2025-07-11 | DRitchie Torres | SELL | $1K – $15K | 41d |
| 2025-07-11 | DRitchie Torres | SELL | $1K – $15K | 40d |
| 2024-09-26 | DRitchie Torres | BUY | $1K – $15K | 328d |
| 2025-06-24 | RLisa McClain | BUY | $1K – $15K | 51d |
| 2025-06-24 | RLisa McClain | BUY | $1K – $15K | 50d |
| 2025-07-01 | DRo Khanna | BUY | $1K – $15K | 37d |
| 2025-06-16 | RC. Franklin | SELL | $1K – $15K | 29d |
| 2025-06-13 | DJulie Johnson | BUY | $1K – $15K | 32d |
| 2025-06-16 | RC. Franklin | SELL | $1K – $15K | 28d |
| 2025-06-13 | DJulie Johnson | BUY | $1K – $15K | 31d |
| 2025-06-23 | DRo Khanna | BUY | $15K – $50K | 16d |
| 2025-06-20 | DRo Khanna | BUY | $1K – $15K | 19d |
| 2025-06-13 | DJulie Johnson | BUY | $1K – $15K | 26d |
| 2025-06-27 | RMichael McCaul | SELL | $100K – $250K | 10d |
| 2024-08-07 | RC. Franklin | BUY | $1K – $15K | 330d |
| 2025-05-28 | DRo Khanna | BUY | $15K – $50K | 13d |
| 2025-05-19 | DRo Khanna | SELL | $1K – $15K | 22d |
| 2025-05-09 | DRo Khanna | SELL | $1K – $15K | 32d |
| 2025-05-08 | DRo Khanna | SELL | $1K – $15K | 33d |
| 2025-05-30 | DGilbert Cisneros | SELL | $1K – $15K | 10d |
| 2025-05-19 | RMichael McCaul | BUY | $50K – $100K | 21d |
| 2025-05-30 | DGilbert Cisneros | SELL | $1K – $15K | 7d |
| 2025-05-15 | RRobert Bresnahan | SELL | $15K – $50K | 18d |
| 2025-05-15 | RRobert Bresnahan | SELL | $15K – $50K | 16d |
| 2025-04-23 | DRo Khanna | SELL | $15K – $50K | 19d |
| 2025-04-21 | RBruce Westerman | SELL | $1K – $15K | 21d |
| 2025-04-04 | DRo Khanna | BUY | $1K – $15K | 38d |
| 2025-04-02 | RMichael McCaul | BUY | $100K – $250K | 40d |
| 2025-04-17 | RJefferson Shreve | SELL | $15K – $50K | 21d |
| 2025-04-08 | RRobert Bresnahan | BUY | $15K – $50K | 30d |
| 2025-04-29 | DGilbert Cisneros | BUY | $1K – $15K | 8d |
| 2025-04-29 | DGilbert Cisneros | BUY | $1K – $15K | 7d |
| 2025-03-03 | RBruce Westerman | BUY | $1K – $15K | 44d |
| 2025-03-20 | DKelly Morrison | SELL | $1K – $15K | 22d |
| 2025-03-31 | DGilbert Cisneros | SELL | $15K – $50K | 7d |
| 2025-02-25 | RRobert Bresnahan | SELL | $15K – $50K | 30d |
| 2025-02-24 | RJefferson Shreve | BUY | $15K – $50K | 13d |
| 2025-02-26 | DGilbert Cisneros | BUY | $15K – $50K | 8d |
| 2025-02-19 | DRo Khanna | BUY | $15K – $50K | 15d |
| 2025-02-26 | DGilbert Cisneros | BUY | $15K – $50K | 6d |
| 2025-01-17 | DJulie Johnson | BUY | $1K – $15K | 26d |
| 2025-01-24 | DGilbert Cisneros | SELL | $1K – $15K | 18d |
| 2025-01-27 | DJosh Gottheimer | SELL | $15K – $50K | 14d |
| 2025-01-16 | RByron Donalds | SELL | $1K – $15K | 25d |
| 2025-01-15 | DJared Moskowitz | SELL | $1K – $15K | 26d |
| 2025-01-17 | DRo Khanna | SELL | $15K – $50K | 20d |
| 2025-01-15 | DJared Moskowitz | SELL | $1K – $15K | 16d |
| 2025-01-15 | DJared Moskowitz | SELL | $1K – $15K | 16d |
| 2025-01-16 | RByron Donalds | SELL | $1K – $15K | 14d |
| 2025-01-16 | RByron Donalds | SELL | $1K – $15K | 14d |
| 2024-11-20 | RMichael McCaul | SELL | $50K – $100K | 26d |
| 2024-11-20 | RMichael McCaul | SELL | $15K – $50K | 26d |
| 2024-11-08 | DJared Moskowitz | BUY | $1K – $15K | 31d |
| 2024-11-15 | DRo Khanna | SELL | $15K – $50K | 20d |
| 2024-10-14 | DRo Khanna | BUY | $1K – $15K | 25d |
| 2024-09-24 | DJonathan Jackson | SELL | $15K – $50K | 17d |
| 2024-09-24 | DJonathan Jackson | SELL | $15K – $50K | 7d |
| 2024-08-02 | RMichael McCaul | BUY | $1K – $15K | 45d |
| 2024-09-04 | RJohn James | SELL | $1K – $15K | 2d |
| 2024-08-02 | RC. Franklin | BUY | $1K – $15K | 18d |
| 2024-07-01 | DRo Khanna | SELL | $15K – $50K | 37d |
| 2024-06-21 | DJosh Gottheimer | SELL | $1K – $15K | 18d |
| 2024-02-20 | RMichael McCaul | SELL | $1K – $15K | 24d |
| 2024-02-13 | DRo Khanna | BUY | $15K – $50K | 22d |
| 2023-12-28 | DJared Moskowitz | BUY | $1K – $15K | 3d |
| 2023-10-16 | RTommy Tuberville | SELL | $1K – $15K | 32d |
| 2023-09-21 | RPete Ricketts | SELL | $50K – $100K | 29d |
| 2022-03-30 | RTommy Tuberville | BUY | $1K – $15K | 516d |
| 2021-06-02 | DJohn Hickenlooper | EXCHANGE | $1K – $15K | 817d |
| 2021-03-29 | RTommy Tuberville | SELL | $1K – $15K | 882d |
| 2023-08-02 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 23d |
| 2023-06-28 | DLois Frankel | PARTIAL_SELL | $1K – $15K | 23d |
| 2022-07-07 | DRick Larsen | BUY | $1K – $15K | 315d |
| 2023-02-24 | DJared Moskowitz | BUY | $1K – $15K | 4d |