| 2026-05-02 | Smart Dalton E. IIISVP Fin. - Global Controller | Exercise | 383 | $43.0K |
| 2026-05-02 | Smart Dalton E. IIISVP Fin. - Global Controller | Tax withhold | 132 | -$14.8K |
| 2026-05-02 | Maraldo David R.EVP & Pres. MMD | Exercise | 552 | $61.9K |
| 2026-05-02 | Maraldo David R.EVP & Pres. MMD | Tax withhold | 159 | -$17.8K |
| 2026-04-30 | Larson Betty DEVP, Chief HR Officer | Exercise | 11,350 | $1.3M |
| 2026-04-30 | Larson Betty DEVP, Chief HR Officer | Tax withhold | 5,143 | -$570.6K |
| 2026-04-30 | Smart Dalton E. IIISVP Fin. - Global Controller | Exercise | 464 | $51.5K |
| 2026-04-30 | Smart Dalton E. IIISVP Fin. - Global Controller | Tax withhold | 159 | -$17.6K |
| 2026-04-29 | Zachary JenniferEVP, General Counsel | Exercise | 2,951 | $324.7K |
| 2026-04-29 | Zachary JenniferEVP, General Counsel | Tax withhold | 1,454 | -$160.0K |
| 2026-04-29 | Larson Betty DEVP, Chief HR Officer | Exercise | 2,085 | $229.4K |
| 2026-04-29 | Larson Betty DEVP, Chief HR Officer | Tax withhold | 715 | -$78.7K |
| 2026-04-29 | Smart Dalton E. IIISVP Fin. - Global Controller | Exercise | 944 | $103.9K |
| 2026-04-29 | Smart Dalton E. IIISVP Fin. - Global Controller | Tax withhold | 324 | -$35.6K |
| 2026-04-29 | Li Dean YExecutive VP & President, MRL | Exercise | 4,722 | $519.6K |
| 2026-04-29 | Li Dean YExecutive VP & President, MRL | Tax withhold | 2,326 | -$255.9K |
| 2026-04-29 | Litchfield CarolineEVP & CFO | Exercise | 3,935 | $433.0K |
| 2026-04-29 | Litchfield CarolineEVP & CFO | Tax withhold | 1,938 | -$213.2K |
| 2026-04-29 | Oosthuizen Johannes JacobusEVP, Oncology & Int?l | Exercise | 1,377 | $151.5K |
| 2026-04-29 | Oosthuizen Johannes JacobusEVP, Oncology & Int?l | Tax withhold | 679 | -$74.7K |
| 2026-04-29 | Chattopadhyay SanatExe V-P & Pres. MMD | Exercise | 2,597 | $285.7K |
| 2026-04-29 | Chattopadhyay SanatExe V-P & Pres. MMD | Tax withhold | 1,130 | -$124.3K |
| 2026-04-29 | Williams David MichaelEVP,Chief Info&Digital Officer | Exercise | 1,377 | $151.5K |
| 2026-04-29 | Williams David MichaelEVP,Chief Info&Digital Officer | Tax withhold | 679 | -$74.7K |
| 2026-04-29 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Exercise | 2,518 | $277.1K |
| 2026-04-29 | DeLuca Richard R.EVP&Pres, Merck Animal Heallth | Tax withhold | 1,241 | -$136.5K |
| 2026-04-29 | Davis Robert MChairman, CEO & President | Exercise | 13,300 | $1.5M |
| 2026-04-29 | Davis Robert MChairman, CEO & President | Tax withhold | 6,551 | -$720.8K |
| 2026-04-29 | Guindo ChirfiEVP, Access, Policy & Comms | Exercise | 1,967 | $216.4K |
| 2026-04-29 | Guindo ChirfiEVP, Access, Policy & Comms | Tax withhold | 969 | -$106.6K |