| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For MRK | |||||
| 2025-11-10 | Downing, Cristal N | Chief Comm. & Public Afrs Ofcr | Sold | 7085 | $87.00 |
| 2025-11-03 | Williams, David Michael | EVP,Chief Info&Digital Officer | Sold | 8614 | $83.59 |
| 2025-09-30 | Coe, Mary Ellen | Director | Purchased | 357.44 | $83.93 |
| 2025-09-30 | Glocer, Thomas H | Director | Purchased | 580.84 | $83.93 |
| 2025-09-30 | Seidman, Christine E | Director | Purchased | 96.81 | $83.93 |
| 2025-08-04 | Guindo, Chirfi | Chief Marketing Officer | Sold | 18175 | $79.29 |
| 2025-08-04 | Guindo, Chirfi | Chief Marketing Officer | Sold | 36903 | $0.00 |
| 2025-08-04 | Williams, David Michael | EVP,Chief Info&Digital Officer | Purchased | 17119 | $79.29 |
| 2025-08-04 | Williams, David Michael | EVP,Chief Info&Digital Officer | Sold | 8432 | $79.29 |
| 2025-08-04 | Williams, David Michael | EVP,Chief Info&Digital Officer | Sold | 17119 | $0.00 |
| 2025-08-04 | Guindo, Chirfi | Chief Marketing Officer | Purchased | 36903 | $79.29 |
| 2025-06-30 | Coe, Mary Ellen | Director | Purchased | 378.98 | $79.16 |
| 2025-06-30 | Seidman, Christine E | Director | Purchased | 102.64 | $79.16 |
| 2025-06-30 | Glocer, Thomas H | Director | Purchased | 615.84 | $79.16 |
| 2025-05-30 | Thulin, Inge G | Director | Purchased | 2863.09 | $76.84 |
| 2025-05-30 | Seidman, Christine E | Director | Purchased | 2863.09 | $76.84 |
| 2025-05-30 | Lavizzo-mourey, Risa J | Director | Purchased | 2863.09 | $76.84 |
| 2025-05-30 | Baker, Douglas M Jr | Director | Purchased | 2863.09 | $76.84 |
| 2025-05-30 | Karsanbhai, Surendralal Lanca | Director | Purchased | 2863.09 | $76.84 |
| 2025-05-30 | Craig, Pamela J. | Director | Purchased | 2863.09 | $76.84 |