MRKMerck & Co., Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-13.
Insider buys (90d)
$0.00
Insider sells (90d)
$29.98M
Net flow
$-29.98M
Filings
7
Buy transactions
0
Sell transactions
17
Distinct insiders
5
Last close (cached)
$147.53
as of 2026-09-09
1d return
-0.6%
5d return
-1.6%
1m return
+12.7%
Top insiders trading MRK (90d)
Recent transactions (25)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-13 | 2026-08-13 | Guindo Chirfi Officer | Sale | 10,000 | $135.00 | $1.35M | open → |
| 2026-08-13 | 2026-08-12 | Zachary Jennifer Officer | Sale | 80,315 | $133.46 | $10.72M | open → |
| 2026-08-13 | 2026-08-12 | Zachary Jennifer Officer | Exer. | 13,433 | $84.71 | $1.14M | open → |
| 2026-08-13 | 2026-08-12 | Zachary Jennifer Officer | Exer. | 41,494 | $117.89 | $4.89M | open → |
| 2026-08-12 | 2026-08-12 | DeLuca Richard R. Officer | Sale | 600 | $132.04 | $79.2K | open → |
| 2026-08-12 | 2026-08-12 | DeLuca Richard R. Officer | Sale | 11,099 | $131.61 | $1.46M | open → |
| 2026-08-12 | 2026-08-11 | DeLuca Richard R. Officer | Sale | 5,427 | $132.35 | $718.3K | open → |
| 2026-08-12 | 2026-08-11 | DeLuca Richard R. Officer | Sale | 7,410 | $131.33 | $973.2K | open → |
| 2026-08-12 | 2026-08-10 | DeLuca Richard R. Officer | Sale | 20,784 | $130.43 | $2.71M | open → |
| 2026-08-10 | 2026-08-06 | DeLuca Richard R. Officer | Sale | 300 | $131.02 | $39.3K | open → |
| 2026-08-10 | 2026-08-06 | DeLuca Richard R. Officer | Sale | 4,945 | $130.23 | $644.0K | open → |
| 2026-08-10 | 2026-08-06 | DeLuca Richard R. Officer | Sale | 805 | $131.02 | $105.5K | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Sale | 2,686 | $128.72 | $345.7K | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Exer. | 2,686 | $84.71 | $227.5K | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Sale | 9,709 | $128.72 | $1.25M | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Exer. | 9,709 | $87.10 | $845.7K | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Sale | 6,311 | $128.72 | $812.3K | open → |
| 2026-08-07 | 2026-08-05 | Maraldo David R. Officer | Exer. | 6,311 | $73.73 | $465.3K | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Sale | 34,705 | $128.77 | $4.47M | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Exer. | 34,705 | $73.73 | $2.56M | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Sale | 13,542 | $128.77 | $1.74M | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Exer. | 13,542 | $75.36 | $1.02M | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Sale | 4,600 | $128.77 | $592.3K | open → |
| 2026-08-07 | 2026-08-05 | Williams David Michael Officer | Exer. | 4,600 | $77.62 | $357.1K | open → |
| 2026-08-07 | 2026-08-06 | Guindo Chirfi Officer | Sale | 15,000 | $131.00 | $1.97M | open → |
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