MERCK & CO. INC. (MRK)
US58933Y1055 - Common Stock
| Shares Outstanding | 2.53B |
| Float | 2.53B |
| Owners (insider) | 0.1% |
| Owners (institutional) | 76.25% |
| Owners (insider) change | 5.62% |
| Owners (institutional) change | -0.05% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 14, 2024 | Litchfield Caroline | Option Excercise | 38291 | 58.08 | $ 2,223,941.28 |
| Feb 14, 2024 | Litchfield Caroline | Open Market Sale | 38291 | 125.50 | $ 4,805,520.50 |
| Feb 13, 2024 | Romanelli Joseph | Open Market Sale | 1000 | 124.89 | $ 124,887.90 |
| Feb 13, 2024 | Davis Robert M | Option Excercise | 235021 | 74.02 | $ 17,395,758.00 |
| Feb 13, 2024 | Davis Robert M | Open Market Sale | 235021 | 125.69 | $ 29,538,998.07 |
| Feb 9, 2024 | Li Dean Y | Option Excercise | 14702 | 62.07 | $ 912,553.14 |
| Feb 9, 2024 | Li Dean Y | Open Market Sale | 14702 | 125.50 | $ 1,845,083.36 |
| Feb 7, 2024 | Williams David Michael | Open Market Sale | 1451 | 127.57 | $ 185,108.28 |
| Feb 2, 2024 | MIZELL STEVEN | Option Excercise | 32994 | 73.65 | $ 2,430,159.14 |
| Feb 2, 2024 | MIZELL STEVEN | Open Market Sale | 50694 | 126.65 | $ 6,420,349.48 |
| Feb 2, 2024 | Zachary Jennifer | Option Excercise | 19417 | 87.10 | $ 1,691,220.70 |
| Feb 2, 2024 | Zachary Jennifer | Open Market Sale | 49499 | 126.97 | $ 6,284,779.13 |
| Feb 2, 2024 | Oosthuizen Johannes Jacobus | Option Excercise | 20937 | 78.80 | $ 1,649,906.03 |
| Feb 2, 2024 | Oosthuizen Johannes Jacobus | Open Market Sale | 18959 | 127.17 | $ 2,411,110.82 |
| Jan 22, 2024 | DeLuca Richard R. | Grant | 23296 | 119.43 | $ 2,782,241.28 |
| Jan 22, 2024 | Chattopadhyay Sanat | Grant | 26716 | 119.43 | $ 3,190,691.88 |
| Jan 22, 2024 | Litchfield Caroline | Grant | 19208 | 119.43 | $ 2,294,011.44 |
| Jan 22, 2024 | Klobuchar Michael A | Grant | 3896 | 119.43 | $ 465,299.28 |
| Jan 22, 2024 | Oosthuizen Johannes Jacobus | Grant | 3133 | 119.43 | $ 374,174.19 |
| Jan 22, 2024 | Smart Dalton | Grant | 2661 | 119.43 | $ 317,803.23 |
| Jan 22, 2024 | Williams David Michael | Grant | 10196 | 119.43 | $ 1,217,708.28 |
| Jan 22, 2024 | MIZELL STEVEN | Grant | 18384 | 119.43 | $ 2,195,601.12 |
| Jan 22, 2024 | Zachary Jennifer | Grant | 23298 | 119.43 | $ 2,782,480.14 |
| Jan 22, 2024 | Li Dean Y | Grant | 25760 | 119.43 | $ 3,076,516.80 |
| Jan 22, 2024 | Davis Robert M | Grant | 76510 | 119.43 | $ 9,137,589.30 |
| Nov 9, 2023 | Oosthuizen Johannes Jacobus | Open Market Sale | 2081 | 102.38 | $ 213,061.31 |
| Nov 8, 2023 | DeLuca Richard R. | Open Market Sale | 43823 | 105.03 | $ 4,602,668.34 |
| Oct 30, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 915 | 102.82 | $ 94,080.30 |
| Oct 30, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 451 | 102.82 | $ 46,371.82 |
| Aug 14, 2023 | MIZELL STEVEN | Open Market Sale | 4250 | 109.01 | $ 463,292.50 |
| Aug 3, 2023 | MIZELL STEVEN | Open Market Sale | 4500 | 105.49 | $ 474,700.95 |
| Aug 3, 2023 | Guindo Chirfi | Option Excercise | 36901 | 105.70 | $ 3,900,435.70 |
| Aug 3, 2023 | Guindo Chirfi | Option Excercise | 17989 | 105.70 | $ 1,901,437.30 |
| Aug 2, 2023 | Romanelli Joseph | Open Market Sale | 89 | 107.37 | $ 9,556.02 |
| May 4, 2023 | Karachun Rita A | Open Market Sale | 15875 | 117.53 | $ 1,865,842.73 |
| May 4, 2023 | Klobuchar Michael A | Option Excercise | 885 | 118.22 | $ 104,624.70 |
| May 4, 2023 | Klobuchar Michael A | Option Excercise | 436 | 118.22 | $ 51,543.92 |
| May 4, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 907 | 118.22 | $ 107,225.54 |
| May 4, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 447 | 118.22 | $ 52,844.34 |
| May 4, 2023 | Zachary Jennifer | Open Market Sale | 19141 | 117.59 | $ 2,250,834.21 |
| May 3, 2023 | Karachun Rita A | Option Excercise | 17627 | 67.64 | $ 1,192,217.70 |
| May 3, 2023 | Karachun Rita A | Option Excercise | 602 | 118.07 | $ 71,077.36 |
| May 3, 2023 | LeCointe-Cephas Lisa | Option Excercise | 1502 | 118.07 | $ 177,339.07 |
| May 3, 2023 | LeCointe-Cephas Lisa | Option Excercise | 515 | 118.07 | $ 60,805.42 |
| May 3, 2023 | MIZELL STEVEN | Option Excercise | 52000 | 75.55 | $ 3,928,540.00 |
| May 3, 2023 | MIZELL STEVEN | Open Market Sale | 53400 | 119.01 | $ 6,355,056.10 |
| May 2, 2023 | Williams David Michael | Open Market Sale | 7509 | 116.82 | $ 877,222.41 |
| May 1, 2023 | Klobuchar Michael A | Option Excercise | 866 | 115.47 | $ 99,997.02 |
| May 1, 2023 | Klobuchar Michael A | Option Excercise | 427 | 115.47 | $ 49,305.69 |
| May 1, 2023 | LeCointe-Cephas Lisa | Option Excercise | 643 | 115.47 | $ 74,247.21 |
| May 1, 2023 | LeCointe-Cephas Lisa | Option Excercise | 221 | 115.47 | $ 25,518.87 |
| May 1, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 866 | 115.47 | $ 99,997.02 |
| May 1, 2023 | Oosthuizen Johannes Jacobus | Option Excercise | 427 | 115.47 | $ 49,305.69 |
| May 1, 2023 | Li Dean Y | Option Excercise | 1062 | 115.47 | $ 122,629.14 |
| May 1, 2023 | Li Dean Y | Option Excercise | 524 | 115.47 | $ 60,506.28 |
| May 1, 2023 | Litchfield Caroline | Option Excercise | 866 | 115.47 | $ 99,997.02 |
| May 1, 2023 | Litchfield Caroline | Option Excercise | 427 | 115.47 | $ 49,305.69 |
| May 1, 2023 | Karachun Rita A | Option Excercise | 930 | 115.47 | $ 107,387.10 |
| May 1, 2023 | Karachun Rita A | Option Excercise | 319 | 115.47 | $ 36,834.93 |
| May 1, 2023 | Williams David Michael | Option Excercise | 6612 | 61.23 | $ 404,827.59 |
| May 1, 2023 | Williams David Michael | Option Excercise | 198 | 115.47 | $ 22,863.06 |
| Apr 28, 2023 | Davis Robert M | Option Excercise | 143329 | 56.04 | $ 8,032,157.16 |
| Apr 28, 2023 | Davis Robert M | Open Market Sale | 143329 | 114.93 | $ 16,472,844.97 |
| Apr 28, 2023 | DeLuca Richard R. | Option Excercise | 141599 | 58.86 | $ 8,334,170.85 |
| Apr 28, 2023 | DeLuca Richard R. | Open Market Sale | 141599 | 115.55 | $ 16,361,592.80 |