SEC Form 4 · insider transactions · free

Merck & Co., Inc. insider buying and selling

10 Form 4 filings against Merck & Co., Inc. (MRK) in the last 90 days. Below are the transactions from 4 recent filings, one per insider where the window allows, as filed.

Window 2026-07-08 to 2026-10-06 · CIK 0000310158 · newest filing 2026-10-01 · source: SEC EDGAR full-text search and the Form 4 XML itself
DateInsiderRoleTransactionCodeSharesPriceOwned after
2026-08-13Guindo ChirfiEVP, Access, Policy & Commsopen-market saleS10,000$135.0036,613
Transaction codes: P is an open-market purchase, S an open-market sale, A a grant or award, M an option exercise, F shares surrendered for tax. 0 open-market buys and 1 open-market sale in the rows above.
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The Form 4 flow against Merck & Co., Inc., parsed and explained

The free view above is the newest few filings. The paid report reads the newest Form 4 filings of the last 90 days (up to 100), separates open-market buys and sales from awards, exercises and tax withholding, totals the flow per insider, flags 10b5-1 plans where the filing notes them, and hands you a cited write-up plus a downloadable transactions table.

agents: POST /v1/insider-report with {"ticker":"MRK"} over x402 or MPP, $0.60

Sample output and API docs · all reports

MRK company profileAll insider pages13F fund holdingsAll reportsWatch MRK for new filings

Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.