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| Keyboard |
| Merck & Co Inc | |
|---|---|
| Ticker | MRK |
| CIK # | 0000310158 |
| CUSIP | 58933Y105 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | One Merck Drive PO Box 100, Whitehouse Station, NJ 08889-0100 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000310158] | 10-K | |
| [0000310158] | 10-Q | |
| [0000310158] | 13F-HR | |
| [0000310158] | 3 | |
| [0000310158] | 4 | |
| [0000310158] | 5 | |
| [0000310158] | 8-K | |
| [0000310158] | SC 13D | |
| [0000310158] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Guindo Chirfi
Common Stock
|
2026-02-12 | Sell | 10,000 | $121.46 | 1,214,600 |
|
Li Dean Y
Common Stock
|
2026-02-10 | Sell | 10,235 | $117.52 | 1,202,817 |
|
Guindo Chirfi
Common Stock
|
2026-02-09 | Sell | 10,000 | $118.41 | 1,184,100 |
|
Zachary Jennifer
Stock Option (Right to Buy) · derivative
|
2026-02-09 | Option exercise | 56,792 | $0.00 | |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Sell | 38,835 | $119.15 | 4,627,190 |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Sell | 25,946 | $119.15 | 3,091,466 |
|
Zachary Jennifer
Stock Option (Right to Buy) · derivative
|
2026-02-09 | Option exercise | 38,835 | $0.00 | |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Sell | 56,792 | $119.15 | 6,766,767 |
|
Zachary Jennifer
Stock Option (Right to Buy) · derivative
|
2026-02-09 | Option exercise | 25,946 | $0.00 | |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Option exercise | 25,946 | $119.15 | 3,091,466 |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Option exercise | 56,792 | $119.15 | 6,766,767 |
|
Zachary Jennifer
Common Stock
|
2026-02-09 | Option exercise | 38,835 | $119.15 | 4,627,190 |
|
Williams David Michael
Common Stock
|
2026-02-06 | Option exercise | 5,000 | $77.62 | 388,100 |
|
Williams David Michael
Stock Option (Right to Buy) · derivative
|
2026-02-06 | Option exercise | 5,000 | $0.00 | |
|
DeLuca Richard R
Common Stock
|
2026-02-06 | Sell | 37,685 | $120.92 | 4,556,870 |
|
Oosthuizen Johannes Jacobus
Common Stock
|
2026-02-06 | Sell | 15,000 | $121.87 | 1,828,050 |
|
Williams David Michael
Common Stock
|
2026-02-06 | Sell | 5,000 | $121.91 | 609,550 |
|
Guindo Chirfi
Common Stock
|
2026-02-05 | Sell | 20,000 | $121.88 | 2,437,600 |
|
Smart Dalton
Common Stock
|
2026-02-04 | Option exercise | 4,000 | $62.07 | 248,280 |
|
Smart Dalton
Common Stock
|
2026-02-04 | Sell | 4,000 | $119.68 | 478,720 |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 3,789 | 1,896,398,904 |
| 2025-12-31 | 3,660 | 1,948,767,738 |
| 2025-09-30 | 3,318 | 1,923,789,078 |
| 2025-06-30 | 3,306 | 1,956,465,136 |
| 2025-03-31 | 3,448 | 1,958,314,597 |
| 2024-12-31 | 3,597 | 1,929,313,345 |
| 2024-09-30 | 3,485 | 1,922,582,824 |
| 2024-06-30 | 3,545 | 1,910,213,817 |
| 2024-03-31 | 3,537 | 1,978,888,048 |
| 2023-12-31 | 3,433 | 1,928,096,203 |
| 2023-09-30 | 3,206 | 1,817,910,537 |
| 2023-06-30 | 3,262 | 1,832,660,436 |