Merck & Co., Inc. (MRK) has 10 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 5 sales totalling $26.8M. Most recent filing: Aug. 13, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Aug. 13, 2026 | Guindo Chirfi EVP, Access, Policy & Comms | −$1,350,000 | 10,000 | −21% | No | |
|
|
||||||
| Aug. 13, 2026 filed Aug. 12, 2026 | Zachary Jennifer EVP, General Counsel | −$3,388,173 | 190,169 | −100% | No | |
|
|
||||||
| Aug. 12, 2026 filed Aug. 10, 2026 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | −$5,942,369 | 45,320 | −29% | No | |
|
|
||||||
| Aug. 10, 2026 filed Aug. 6, 2026 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | −$788,773 | 6,050 | −4% | No | |
|
|
||||||
| Aug. 7, 2026 filed Aug. 5, 2026 | Maraldo David R. EVP & Pres. MMD | $1,028,604 | 56,118 | 0% | No | |
|
|
||||||
Showing the 5 most recent of 10 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free