Diaz Paul J
Director
Award
Calculated transaction value
$91.67K
613.07 shares @ $149.52
Traded
Nov 1, 2026
Filed
Nov 3, 2026
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Merck & Co
MRK
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
52 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Diaz Paul J Director | Nov 3, 2026 2-day lag | Award Nov 1, 2026 | $91.67K Filed shares x price | SEC Form 4 View filing | |
| Seidman Christine E Director | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $8.12K Filed shares x price | SEC Form 4 View filing | |
| Karsanbhai Surendralal Lanca Director | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $16.25K Filed shares x price | SEC Form 4 View filing | |
| Coe Mary Ellen Director | Oct 1, 2026 1-day lag | Award Sep 30, 2026 | $30K Filed shares x price | SEC Form 4 View filing | |
| Guindo Chirfi EVP, Access, Policy & Comms | Aug 13, 2026 Same-day filing | Sale Aug 13, 2026 | $1.35M Filed shares x price | SEC Form 4 View filing | |
| Zachary Jennifer EVP, General Counsel | Aug 13, 2026 1-day lag | Exercise Aug 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Zachary Jennifer EVP, General Counsel | Aug 13, 2026 1-day lag | Exercise Aug 12, 2026 | $1.14M Filed shares x price | SEC Form 4 View filing | |
| Zachary Jennifer EVP, General Counsel | Aug 13, 2026 1-day lag | Sale Aug 12, 2026 | $10.72M Filed shares x price | SEC Form 4 View filing | |
| Zachary Jennifer EVP, General Counsel | Aug 13, 2026 1-day lag | Exercise Aug 12, 2026 | $4.89M Filed shares x price | SEC Form 4 View filing | |
| Zachary Jennifer EVP, General Counsel | Aug 13, 2026 1-day lag | Exercise Aug 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 12, 2026 Same-day filing | Sale Aug 12, 2026 | $1.46M Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 12, 2026 Same-day filing | Sale Aug 12, 2026 | $79.22K Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $718.26K Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $973.16K Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 12, 2026 2-day lag | Sale Aug 10, 2026 | $2.71M Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 10, 2026 4-day lag | Sale Aug 6, 2026 | $39.31K Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 10, 2026 4-day lag | Sale Aug 6, 2026 | $105.47K Filed shares x price | SEC Form 4 View filing | |
| Deluca Richard R. EVP&pres, Merck Animal Heallth | Aug 10, 2026 4-day lag | Sale Aug 6, 2026 | $643.99K Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $1.25M Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $845.65K Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $227.53K Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $465.31K Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $345.74K Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Maraldo David R. EVP & Pres. Mmd | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $812.34K Filed shares x price | SEC Form 4 View filing | |
| Williams David Michael EVP,chief Info&digital Officer | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $592.35K Filed shares x price | SEC Form 4 View filing | |
| Williams David Michael EVP,chief Info&digital Officer | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $1.02M Filed shares x price | SEC Form 4 View filing | |
| Williams David Michael EVP,chief Info&digital Officer | Aug 7, 2026 2-day lag | Exercise Aug 5, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Seidman Christine E
Director
Award
Calculated transaction value
$8.12K
55.91 shares @ $145.31
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Karsanbhai Surendralal Lanca
Director
Award
Calculated transaction value
$16.25K
111.83 shares @ $145.31
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Coe Mary Ellen
Director
Award
Calculated transaction value
$30K
206.46 shares @ $145.31
Traded
Sep 30, 2026
Filed
Oct 1, 2026
Guindo Chirfi
EVP, Access, Policy & Comms
Sale
Calculated transaction value
$1.35M
10,000 shares @ $135
Traded
Aug 13, 2026
Filed
Aug 13, 2026
Zachary Jennifer
EVP, General Counsel
Exercise
Calculated transaction value
$0
13,433 shares @ $0
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Zachary Jennifer
EVP, General Counsel
Exercise
Calculated transaction value
$1.14M
13,433 shares @ $84.71
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Zachary Jennifer
EVP, General Counsel
Sale
Calculated transaction value
$10.72M
80,315 shares @ $133.46
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Zachary Jennifer
EVP, General Counsel
Exercise
Calculated transaction value
$4.89M
41,494 shares @ $117.89
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Zachary Jennifer
EVP, General Counsel
Exercise
Calculated transaction value
$0
41,494 shares @ $0
Traded
Aug 12, 2026
Filed
Aug 13, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$1.46M
11,099 shares @ $131.61
Traded
Aug 12, 2026
Filed
Aug 12, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$79.22K
600 shares @ $132.04
Traded
Aug 12, 2026
Filed
Aug 12, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$718.26K
5,427 shares @ $132.35
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$973.16K
7,410 shares @ $131.33
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$2.71M
20,784 shares @ $130.43
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$39.31K
300 shares @ $131.02
Traded
Aug 6, 2026
Filed
Aug 10, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$105.47K
805 shares @ $131.02
Traded
Aug 6, 2026
Filed
Aug 10, 2026
Deluca Richard R.
EVP&pres, Merck Animal Heallth
Sale
Calculated transaction value
$643.99K
4,945 shares @ $130.23
Traded
Aug 6, 2026
Filed
Aug 10, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$0
2,686 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Sale
Calculated transaction value
$1.25M
9,709 shares @ $128.72
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$845.65K
9,709 shares @ $87.1
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$227.53K
2,686 shares @ $84.71
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$0
9,709 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$465.31K
6,311 shares @ $73.73
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Sale
Calculated transaction value
$345.74K
2,686 shares @ $128.72
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Exercise
Calculated transaction value
$0
6,311 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Maraldo David R.
EVP & Pres. Mmd
Sale
Calculated transaction value
$812.34K
6,311 shares @ $128.72
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Sale
Calculated transaction value
$592.35K
4,600 shares @ $128.77
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$1.02M
13,542 shares @ $75.36
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$0
13,542 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026