The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Williams David Michael since 2021.
This trader's CIK number is 1820958.
At the time of last reporting, Williams David Michael was the EVP,Chief Info&Digital Officer of Merck & Co., Inc.. (stock ticker symbol MRK).
Also see all insider trading activities at Merck & Co., Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MRK | 0 | $0 | 6,000 | $512,058 | 17,119 | $1,357,365 |
| 2024 | MRK | 0 | $0 | 1,451 | $185,108 | 0 | $0 |
| 2023 | MRK | 0 | $0 | 7,509 | $877,223 | 7,817 | $533,424 |
| 2022 | MRK | 0 | $0 | 0 | $0 | 3,373 | $268,160 |
| 2021 | MRK | 0 | $0 | 0 | $0 | 1,389 | $104,097 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-04 | MRK | Option Ex | 17,119 | 79.29 | 1,357,365 |
| 2025-02-13 | MRK | Sale | 6,000 | 85.34 | 512,058 |
| 2024-02-07 | MRK | Sale | 1,451 | 127.57 | 185,108 |
| 2023-05-01 | MRK | Option Ex | 577 | 115.47 | 66,626 |
| 2023-05-02 | MRK | Option Ex | 6,035 | 56.04 | 338,201 |
| 2023-05-02 | MRK | Sale | 7,509 | 116.82 | 877,223 |
| 2023-02-10 | MRK | Option Ex | 1,205 | 106.72 | 128,597 |
| 2022-05-03 | MRK | Option Ex | 427 | 87.65 | 37,426 |
| 2022-05-01 | MRK | Option Ex | 577 | 88.69 | 51,174 |
| 2022-02-10 | MRK | Option Ex | 1,202 | 76.53 | 91,989 |
| 2021-02-10 | MRK | Option Ex | 1,167 | 75.04 | 87,571 |
| 2021-05-04 | MRK | Option Ex | 417 | 75.98 | 31,683 |
| 2021-05-01 | MRK | Option Ex | 560 | 74.50 | 41,720 |
| 2021-05-03 | MRK | Option Ex | 412 | 74.50 | 30,694 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Williams David Michael (EVP,Chief Info&Digital Officer of Merck & Co., Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.