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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| MRK | Guindo Chirfi | EVP, Access, Policy & Comms | Apr 29 '26 | Option Exercise | 110.03 | 1,967 | 216,429 | 62,582 | May 01 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Feb 12 '26 | Sale | 121.46 | 10,000 | 1,214,562 | 60,615 | Feb 12 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Feb 09 '26 | Sale | 118.41 | 10,000 | 1,184,101 | 70,615 | Feb 09 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Feb 05 '26 | Sale | 121.88 | 20,000 | 2,437,676 | 80,615 | Feb 06 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Aug 04 '25 | Option Exercise | 79.29 | 36,903 | 2,926,039 | 107,409 | Aug 05 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Aug 05 '24 | Option Exercise | 115.20 | 36,901 | 4,250,995 | 57,782 | Aug 06 |
| MRK | Guindo Chirfi | Chief Marketing Officer | Aug 03 '23 | Option Exercise | 105.70 | 36,901 | 3,900,436 | 38,342 | Aug 04 |