SEC Form 4 · accession 0000310158-26-000223
Merck & Co., Inc. · MRK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Chirfi Guindo
Officer — EVP, Access, Policy & Comms
Period of report
Aug 13, 2026
Accepted (ET)
Aug 13, 2026 · 5:02 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000310158
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 13, 2026 | S | 10,000 | $135.00 | D | 36,613 | D |
Table II — derivative securities
No Table II lines on this filing.