| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-08-13 | Zachary Jennifer EVP, General Counsel | Sold | 80,315 | $133.46 | $10.7M |
| 2026-08-13 | Guindo Chirfi EVP, Access, Policy & Comms | Sold | 10,000 | $135.00 | $1.4M |
| 2026-08-12 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sold | 31,883 | $130.84 | $4.2M |
| 2026-08-07 | Maraldo David R. EVP & Pres. MMD | Sold | 9,709 | $128.72 | $1.2M |
| 2026-08-07 | Williams David Michael EVP,Chief Info&Digital Officer | Sold | 48,247 | $128.77 | $6.2M |
| 2026-08-07 | Guindo Chirfi EVP, Access, Policy & Comms | Sold | 15,000 | $131.00 | $2.0M |
| 2026-02-12 | Guindo Chirfi Chief Marketing Officer | Sold | 10,000 | $121.46 | $1.2M |
| 2026-02-10 | Li Dean Y Executive VP & President, MRL | Sold | 10,235 | $117.52 | $1.2M |
| 2026-02-09 | Guindo Chirfi Chief Marketing Officer | Sold | 10,000 | $118.41 | $1.2M |
| 2026-02-09 | Zachary Jennifer EVP, General Counsel | Sold | 121,573 | $119.15 | $14.5M |
| 2026-02-06 | Litchfield Caroline EVP & CFO | Sold | 41,997 | $119.61 | $5.0M |
| 2026-02-06 | Li Dean Y Executive VP & President, MRL | Sold | 15,087 | $118.77 | $1.8M |
| 2026-02-06 | Davis Robert M Chairman, CEO & President | Sold | 47,434 | $118.04 | $5.6M |
| 2026-02-06 | Guindo Chirfi Chief Marketing Officer | Sold | 20,000 | $121.88 | $2.4M |
| 2026-02-06 | Oosthuizen Johannes Jacobus President, U.S. Market | Sold | 15,000 | $121.87 | $1.8M |
| 2026-02-06 | DeLuca Richard R. EVP&Pres, Merck Animal Heallth | Sold | 37,685 | $120.92 | $4.6M |
| 2025-02-07 | BAKER DOUGLAS M JR Director | Bought | 15,000 | $88.50 | $1.3M |
| 2025-02-07 | THULIN INGE G Director | Bought | 2,833 | $88.25 | $250k |
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| BAKER DOUGLAS M JR | Director | 1 | $1.3M |
| THULIN INGE G | Director | 1 | $250k |
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