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| Role | Insider | Date | Transaction | Value | Shares |
|---|---|---|---|---|---|
| EVP, Access, Policy & Comms | Guindo Chirfi | Aug 13, 2026 | Sell | $1.35M | 10,000 |
| EVP, General Counsel | Zachary Jennifer | Aug 12, 2026 | Sell | $10.72M | 80,315 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 12, 2026 | Sell | $1.46M | 11,099 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 12, 2026 | Sell | $79.22K | 600 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 11, 2026 | Sell | $973.16K | 7,410 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 11, 2026 | Sell | $718.26K | 5,427 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 10, 2026 | Sell | $2.71M | 20,784 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 6, 2026 | Sell | $105.47K | 805 |
| EVP, Access, Policy & Comms | Guindo Chirfi | Aug 6, 2026 | Sell | $1.97M | 15,000 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 6, 2026 | Sell | $643.99K | 4,945 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Aug 6, 2026 | Sell | $39.31K | 300 |
| EVP & Pres. MMD | Maraldo David R. | Aug 5, 2026 | Sell | $812.34K | 6,311 |
| EVP,Chief Info&Digital Officer | Williams David Michael | Aug 5, 2026 | Sell | $592.35K | 4,600 |
| EVP & Pres. MMD | Maraldo David R. | Aug 5, 2026 | Sell | $1.25M | 9,709 |
| EVP,Chief Info&Digital Officer | Williams David Michael | Aug 5, 2026 | Sell | $1.74M | 13,542 |
| EVP & Pres. MMD | Maraldo David R. | Aug 5, 2026 | Sell | $345.74K | 2,686 |
| EVP,Chief Info&Digital Officer | Williams David Michael | Aug 5, 2026 | Sell | $4.47M | 34,705 |
| Chief Marketing Officer | Guindo Chirfi | Feb 12, 2026 | Sell | $1.21M | 10,000 |
| Executive VP & President, MRL | Li Dean Y | Feb 10, 2026 | Sell | $1.2M | 10,235 |
| Chief Marketing Officer | Guindo Chirfi | Feb 9, 2026 | Sell | $1.18M | 10,000 |
| EVP, General Counsel | Zachary Jennifer | Feb 9, 2026 | Sell | $3.09M | 25,946 |
| EVP, General Counsel | Zachary Jennifer | Feb 9, 2026 | Sell | $6.77M | 56,792 |
| EVP, General Counsel | Zachary Jennifer | Feb 9, 2026 | Sell | $4.63M | 38,835 |
| President | Oosthuizen Johannes Jacobus | Feb 6, 2026 | Sell | $1.83M | 15,000 |
| EVP&Pres, Merck Animal Heallth | DeLuca Richard R. | Feb 6, 2026 | Sell | $4.56M | 37,685 |
Open-market purchases and sales reported on SEC form 4 over the last 10years. Awards, option exercises, gifts and other non-market form 4 activity are excluded. Chart markers group a day's filings by direction; the table lists each filing.
