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Merck & Co. (MRK)

Healthcare · Drug Manufacturers - General

40 members of Congress have disclosed 158 trades in Merck & Co. (MRK) since 2015: 79 buys and 79 sales. The most recent was disclosed on Nov 5, 2026. 1 trade was made by members of a committee that oversees Merck & Co.'s industry.

Trades disclosed
158
Members trading
40
Buys / sells
79 / 79
Reported value
$1.4M–$5.2M

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Research connections

Patterns in the available disclosures. Each source has its own timing and reporting limits.

2 congressional households disclosed buys

Disclosures in the past 90 days. These may cover different transaction dates and owners.

What else is happening at MRK

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Company filings and public records connected to this stock, ordered by when they became public or were first observed.

  1. MRKFinancial report·SEC EDGAR

    MRK: 10-Q financial filing

    Filed 10-Q for an event or period dated 2026-09-30. Read the company report for its disclosures.

    Public: Nov 4, 2026, 4:14 PM ESTEvent / period: Sep 30, 2026Original source ↗

    2 congressional households disclosed purchases in the past 90 days. See the trades

  2. MRKCompany announcement·SEC EDGAR

    MRK: Financial results

    Filed 8-K for an event or period dated 2026-10-29. Financial results.

    Public: Oct 29, 2026, 6:43 AM EDTEvent / period: Oct 29, 2026Original source ↗

    2 congressional households disclosed purchases in the past 90 days. See the trades

  3. MRKLobbying report·Lobbying disclosures

    MRK: third_quarter 2026 lobbying report

    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; Drug pricing and reimbursement issues; Vaccine issues; Pharmaceutical supply channel issues; Drug shortages issues; Inflation Reduction Act (P.L. 117-169), issues relating to drug pricing provisions; 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 agen

    Public: Oct 20, 2026, 5:25 PM EDTOriginal source ↗

    2 congressional households disclosed purchases in the past 90 days. See the trades

  4. MRKLobbying report·Lobbying disclosures

    MRK: third_quarter 2026 lobbying report

    Drug 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. Issues related to TrumpRX. Tax policy impacting health care and pharmaceutical industry; implementation of PL 119-21. Drug pricing proposals. Pharmacy Benefit Manager reform proposals. 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 prici

    Public: Oct 20, 2026, 5:02 PM EDTOriginal source ↗

    2 congressional households disclosed purchases in the past 90 days. See the trades

  5. MRKLobbying report·Lobbying disclosures

    MRK: third_quarter 2026 lobbying report

    Issues related to vaccines; Issues related to 340b 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 Senate Finance Dear Colleague process; H.R. 4299, Protecting Patient Access to Cancer and Complex Therapies Act

    Public: Oct 20, 2026, 3:59 PM EDTOriginal source ↗

    2 congressional households disclosed purchases in the past 90 days. See the trades

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

All trades

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.