Merck & Co., Inc. (MRK)
NYSE · Pharmaceutical Preparations · Inc. NJ
What they're doing
Not enough recent activity to summarise.
Signals, last 12 months
- Large insider saleGuindo Chirfi (officer) sold $1.2M of stock
- Large insider saleLi Dean Y (officer) sold $1.2M of stock
- Large insider saleZachary Jennifer (officer) sold $6.8M of stock
- Large insider saleZachary Jennifer (officer) sold $4.6M of stock
- Large insider saleZachary Jennifer (officer) sold $3.1M of stock
- Large insider saleGuindo Chirfi (officer) sold $1.2M of stock
- Large insider saleDeLuca Richard R. (officer) sold $4.6M of stock
- Large insider saleOosthuizen Johannes Jacobus (officer) sold $1.8M of stock
- Large insider saleGuindo Chirfi (officer) sold $2.4M of stock
- Large insider saleLitchfield Caroline (officer) sold $5.0M of stock
- Large insider saleDavis Robert M (director) sold $3.8M of stock
- Large insider saleDavis Robert M (director) sold $1.8M of stock
- Large insider saleLi Dean Y (officer) sold $1.8M of stock
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-02 | Smart Dalton E. III | officer | M | 383 | 112.16 | $42,957 |
| 2026-05-02 | Smart Dalton E. III | officer | F | 132 | 112.16 | $14,805 |
| 2026-05-02 | Maraldo David R. | officer | F | 159 | 112.16 | $17,833 |
| 2026-05-02 | Maraldo David R. | officer | M | 552 | 112.16 | $61,912 |
| 2026-04-30 | Smart Dalton E. III | officer | F | 159 | 110.95 | $17,641 |
| 2026-04-30 | Smart Dalton E. III | officer | M | 464 | 110.95 | $51,481 |
| 2026-04-30 | Larson Betty D | officer | M | 11,350 | 110.95 | $1,259,283 |
| 2026-04-30 | Larson Betty D | officer | F | 5,143 | 110.95 | $570,616 |
| 2026-04-29 | Guindo Chirfi | officer | F | 969 | 110.03 | $106,619 |
| 2026-04-29 | Guindo Chirfi | officer | M | 1,967 | 110.03 | $216,429 |
| 2026-04-29 | Chattopadhyay Sanat | officer | M | 2,597 | 110.03 | $285,748 |
| 2026-04-29 | Chattopadhyay Sanat | officer | F | 1,130 | 110.03 | $124,334 |
| 2026-04-29 | DeLuca Richard R. | officer | M | 2,518 | 110.03 | $277,056 |
| 2026-04-29 | DeLuca Richard R. | officer | F | 1,241 | 110.03 | $136,547 |
| 2026-04-29 | Williams David Michael | officer | F | 679 | 110.03 | $74,710 |
| 2026-04-29 | Williams David Michael | officer | M | 1,377 | 110.03 | $151,511 |
| 2026-04-29 | Smart Dalton E. III | officer | F | 324 | 110.03 | $35,650 |
| 2026-04-29 | Smart Dalton E. III | officer | M | 944 | 110.03 | $103,868 |
| 2026-04-29 | Li Dean Y | officer | M | 4,722 | 110.03 | $519,562 |
| 2026-04-29 | Li Dean Y | officer | F | 2,326 | 110.03 | $255,930 |
| 2026-04-29 | Zachary Jennifer | officer | F | 1,454 | 110.03 | $159,984 |
| 2026-04-29 | Zachary Jennifer | officer | M | 2,951 | 110.03 | $324,699 |
| 2026-04-29 | Larson Betty D | officer | F | 715 | 110.03 | $78,671 |
| 2026-04-29 | Larson Betty D | officer | M | 2,085 | 110.03 | $229,413 |
| 2026-04-29 | Litchfield Caroline | officer | F | 1,938 | 110.03 | $213,238 |
| 2026-04-29 | Litchfield Caroline | officer | M | 3,935 | 110.03 | $432,968 |
| 2026-04-29 | Davis Robert M | director | F | 6,551 | 110.03 | $720,807 |
| 2026-04-29 | Davis Robert M | director | M | 13,300 | 110.03 | $1,463,399 |
| 2026-04-29 | Oosthuizen Johannes Jacobus | officer | F | 679 | 110.03 | $74,710 |
| 2026-04-29 | Oosthuizen Johannes Jacobus | officer | M | 1,377 | 110.03 | $151,511 |
| 2026-02-12 | Guindo Chirfi | officer | S | 10,000 | 121.46 | $1,214,600 |
| 2026-02-10 | Li Dean Y | officer | S | 10,235 | 117.52 | $1,202,817 |
| 2026-02-09 | Guindo Chirfi | officer | S | 10,000 | 118.41 | $1,184,100 |
| 2026-02-09 | Zachary Jennifer | officer | M | 38,835 | 119.15 | $4,627,190 |
| 2026-02-09 | Zachary Jennifer | officer | S | 38,835 | 119.15 | $4,627,190 |
| 2026-02-09 | Zachary Jennifer | officer | S | 56,792 | 119.15 | $6,766,767 |
| 2026-02-09 | Zachary Jennifer | officer | M | 25,946 | 119.15 | $3,091,466 |
| 2026-02-09 | Zachary Jennifer | officer | M | 56,792 | 119.15 | $6,766,767 |
| 2026-02-09 | Zachary Jennifer | officer | S | 25,946 | 119.15 | $3,091,466 |
| 2026-02-06 | Williams David Michael | officer | M | 5,000 | 77.62 | $388,100 |
| 2026-02-06 | Williams David Michael | officer | S | 5,000 | 121.91 | $609,550 |
| 2026-02-06 | Oosthuizen Johannes Jacobus | officer | S | 15,000 | 121.87 | $1,828,050 |
| 2026-02-06 | DeLuca Richard R. | officer | S | 37,685 | 120.92 | $4,556,870 |
| 2026-02-05 | Guindo Chirfi | officer | S | 20,000 | 121.88 | $2,437,600 |
| 2026-02-04 | Smart Dalton E. III | officer | S | 2,400 | 119.68 | $287,232 |
| 2026-02-04 | Smart Dalton E. III | officer | S | 4,000 | 119.68 | $478,720 |
| 2026-02-04 | Smart Dalton E. III | officer | M | 4,000 | 62.07 | $248,280 |
| 2026-02-04 | Litchfield Caroline | officer | S | 41,997 | 119.61 | $5,023,261 |
| 2026-02-04 | Litchfield Caroline | officer | M | 41,997 | 53.06 | $2,228,361 |
| 2026-02-04 | Li Dean Y | officer | M | 15,087 | 56.04 | $845,475 |
Federal contracts
24-month federal obligations: $2,187,697
- 2026-09-14 $1,627,602 · Department of Health and Human Services · STOCKPILE STORAGE AND ROTATION EO 14398
- 2026-09-02 $256,426 · Department of the Interior · PASSIVE INTEGRATED TRANSPONDER (PIT) TAG ANTENNAS AND RELATED EQUIPMENT TO MONITOR THE MOVEMENT AND BEHAVIOR OF FISH AND
- 2026-09-10 $190,468 · Department of Health and Human Services · ERVEBO PROCUREMENT
- 2026-09-17 $113,200 · Department of the Interior · OR-KLAMATH FALLS FWO-BIOMARK PIT TAGS
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
7-day average 457 views/day vs 90-day median 506.