Chirfi Guindo, EVP, Access, Policy & Comms at Merck & Co., Inc. (MRK), sold 10,000 shares at $135.00 ($1.4M) on 2026-08-13, disclosed to the SEC on 2026-08-13.
Seasonal sale ($1.4M) by EVP, Access, Policy & Comms — this insider has traded MRK in August in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| MRK | SELL | 2026-02-09 | $1.2M | — | Filing → |
| MRK | SELL | 2026-02-06 | $2.4M | — | Filing → |
| BIIB | SELL | 2021-06-09 | $1.4M | — | Filing → |