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Net $ Activity (12M)
−$72.01M
Open-Market Buy : Sell Events (12M)
0 : 35
Avg. Open-Market Price / Share (12M)
Buy-Sell$123.07
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 08/13/26 | Guindo ChirfiEVP, Access, Policy & Comms | Sell | 10,000 | $135.00 | $1.35M |
| 08/12/26 | Zachary JenniferEVP, General Counsel | Option Exercise | 41,494 | $117.89 | $4.89M |
| 08/12/26 | Zachary JenniferEVP, General Counsel | Option Exercise | 13,433 | $84.71 | $1.14M |
| 08/12/26 | Zachary JenniferEVP, General Counsel | Sell | 80,315 | $133.46 | $10.72M |
| 08/12/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 11,099 | $131.61 | $1.46M |
| 08/12/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 600 | $132.04 | $79.22K |
| 08/11/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 7,410 | $131.33 | $973.16K |
| 08/11/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 5,427 | $132.35 | $718.26K |
| 08/10/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 20,784 | $130.43 | $2.71M |
| 08/06/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 805 | $131.02 | $105.47K |
| 08/06/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 4,945 | $130.23 | $643.99K |
| 08/06/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Sell | 300 | $131.02 | $39.31K |
| 08/06/26 | Guindo ChirfiEVP, Access, Policy & Comms | Sell | 15,000 | $131.00 | $1.97M |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Option Exercise | 6,311 | $73.73 | $465.31K |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Sell | 6,311 | $128.72 | $812.34K |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Option Exercise | 9,709 | $87.10 | $845.65K |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Sell | 9,709 | $128.72 | $1.25M |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Option Exercise | 2,686 | $84.71 | $227.53K |
| 08/05/26 | Maraldo David R.EVP & Pres. MMD | Sell | 2,686 | $128.72 | $345.74K |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Option Exercise | 4,600 | $77.62 | $357.05K |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Sell | 4,600 | $128.77 | $592.35K |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Option Exercise | 13,542 | $75.36 | $1.02M |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Sell | 13,542 | $128.77 | $1.74M |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Option Exercise | 34,705 | $73.73 | $2.56M |
| 08/05/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Sell | 34,705 | $128.77 | $4.47M |
| 05/02/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Option Exercise | 383 | $112.16 | $42.96K |
| 05/02/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Tax Withholding | 132 | $112.16 | $14.81K |
| 05/02/26 | Maraldo David R.EVP & Pres. MMD | Option Exercise | 552 | $112.16 | $61.91K |
| 05/02/26 | Maraldo David R.EVP & Pres. MMD | Tax Withholding | 159 | $112.16 | $17.83K |
| 04/30/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Option Exercise | 464 | $110.95 | $51.48K |
| 04/30/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Tax Withholding | 159 | $110.95 | $17.64K |
| 04/30/26 | Larson Betty DEVP, Chief HR Officer | Option Exercise | 11,350 | $110.95 | $1.26M |
| 04/30/26 | Larson Betty DEVP, Chief HR Officer | Tax Withholding | 5,143 | $110.95 | $570.62K |
| 04/29/26 | Guindo ChirfiEVP, Access, Policy & Comms | Option Exercise | 1,967 | $110.03 | $216.43K |
| 04/29/26 | Guindo ChirfiEVP, Access, Policy & Comms | Tax Withholding | 969 | $110.03 | $106.62K |
| 04/29/26 | Chattopadhyay SanatExe V-P & Pres. MMD | Option Exercise | 2,597 | $110.03 | $285.75K |
| 04/29/26 | Chattopadhyay SanatExe V-P & Pres. MMD | Tax Withholding | 1,130 | $110.03 | $124.33K |
| 04/29/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Option Exercise | 2,518 | $110.03 | $277.06K |
| 04/29/26 | Deluca Richard R.EVP&Pres, Merck Animal Heallth | Tax Withholding | 1,241 | $110.03 | $136.55K |
| 04/29/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Option Exercise | 1,377 | $110.03 | $151.51K |
| 04/29/26 | Williams David MichaelEVP,Chief Info&Digital Officer | Tax Withholding | 679 | $110.03 | $74.71K |
| 04/29/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Option Exercise | 944 | $110.03 | $103.87K |
| 04/29/26 | Smart Dalton E. IiiSVP Fin. - Global Controller | Tax Withholding | 324 | $110.03 | $35.65K |
| 04/29/26 | Li Dean YExecutive VP & President, MRL | Option Exercise | 4,722 | $110.03 | $519.56K |
| 04/29/26 | Li Dean YExecutive VP & President, MRL | Tax Withholding | 2,326 | $110.03 | $255.93K |
| 04/29/26 | Zachary JenniferEVP, General Counsel | Option Exercise | 2,951 | $110.03 | $324.70K |
| 04/29/26 | Zachary JenniferEVP, General Counsel | Tax Withholding | 1,454 | $110.03 | $159.98K |
| 04/29/26 | Larson Betty DEVP, Chief HR Officer | Option Exercise | 2,085 | $110.03 | $229.41K |
| 04/29/26 | Larson Betty DEVP, Chief HR Officer | Tax Withholding | 715 | $110.03 | $78.67K |
| 04/29/26 | Litchfield CarolineEVP & CFO | Option Exercise | 3,935 | $110.03 | $432.97K |