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
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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
138 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| 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 | |
| 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 | |
| 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 | |
| Williams David Michael EVP,chief Info&digital Officer | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $4.47M 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 | $357.05K 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 | $2.56M 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 | $1.74M Filed shares x price | SEC Form 4 View filing | |
| Guindo Chirfi EVP, Access, Policy & Comms | Aug 7, 2026 1-day lag | Sale Aug 6, 2026 | $1.97M Filed shares x price | SEC Form 4 View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 44-day lag | Sale May 18, 2026 | $1K - $15K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 47-day lag | Buy May 15, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 57-day lag | Sale May 5, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 65-day lag | Sale Apr 27, 2026 | $50K - $100K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 65-day lag | Buy Apr 27, 2026 | $15K - $50K Reported range | OGE 278-T View filing | |
| Donald J Trump Executive branch official | Jul 1, 2026 82-day lag | Sale Apr 10, 2026 | $1K - $15K Reported range | OGE 278-T View filing | |
| Seidman Christine E Director | Jul 1, 2026 1-day lag | Award Jun 30, 2026 | $8.13K Filed shares x price | SEC Form 4 View filing | |
| Karsanbhai Surendralal Lanca Director | Jul 1, 2026 1-day lag | Award Jun 30, 2026 | $16.25K Filed shares x price | SEC Form 4 View filing | |
| Coe Mary Ellen Director | Jul 1, 2026 1-day lag | Award Jun 30, 2026 | $30K Filed shares x price | SEC Form 4 View filing | |
| Warden Kathy J Director | Jun 2, 2026 4-day lag | Award May 29, 2026 | $220K Filed shares x price | SEC Form 4 View filing | |
| Seidman Christine E Director | Jun 2, 2026 4-day lag | Award May 29, 2026 | $220K Filed shares x price | SEC Form 4 View filing | |
| Coe Mary Ellen Director | Jun 2, 2026 4-day lag | Award May 29, 2026 | $220K Filed shares x price | SEC Form 4 View filing | |
| Thulin Inge G Director | Jun 2, 2026 4-day lag | Award May 29, 2026 | $220K Filed shares x price | SEC Form 4 View filing |
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
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$0
34,705 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$0
4,600 shares @ $0
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Sale
Calculated transaction value
$4.47M
34,705 shares @ $128.77
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$357.05K
4,600 shares @ $77.62
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Exercise
Calculated transaction value
$2.56M
34,705 shares @ $73.73
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Williams David Michael
EVP,chief Info&digital Officer
Sale
Calculated transaction value
$1.74M
13,542 shares @ $128.77
Traded
Aug 5, 2026
Filed
Aug 7, 2026
Guindo Chirfi
EVP, Access, Policy & Comms
Sale
Calculated transaction value
$1.97M
15,000 shares @ $131
Traded
Aug 6, 2026
Filed
Aug 7, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$1K - $15K
Not reported
Traded
May 18, 2026
Filed
Jul 1, 2026
Donald J Trump
Executive branch official
Buy
Reported value range
$15K - $50K
Not reported
Traded
May 15, 2026
Filed
Jul 1, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$15K - $50K
Not reported
Traded
May 5, 2026
Filed
Jul 1, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$50K - $100K
Not reported
Traded
Apr 27, 2026
Filed
Jul 1, 2026
Donald J Trump
Executive branch official
Buy
Reported value range
$15K - $50K
Not reported
Traded
Apr 27, 2026
Filed
Jul 1, 2026
Donald J Trump
Executive branch official
Sale
Reported value range
$1K - $15K
Not reported
Traded
Apr 10, 2026
Filed
Jul 1, 2026
Seidman Christine E
Director
Award
Calculated transaction value
$8.13K
63.23 shares @ $128.5
Traded
Jun 30, 2026
Filed
Jul 1, 2026
Karsanbhai Surendralal Lanca
Director
Award
Calculated transaction value
$16.25K
126.46 shares @ $128.5
Traded
Jun 30, 2026
Filed
Jul 1, 2026
Coe Mary Ellen
Director
Award
Calculated transaction value
$30K
233.46 shares @ $128.5
Traded
Jun 30, 2026
Filed
Jul 1, 2026
Warden Kathy J
Director
Award
Calculated transaction value
$220K
1853.1 shares @ $118.72
Traded
May 29, 2026
Filed
Jun 2, 2026
Seidman Christine E
Director
Award
Calculated transaction value
$220K
1853.1 shares @ $118.72
Traded
May 29, 2026
Filed
Jun 2, 2026
Coe Mary Ellen
Director
Award
Calculated transaction value
$220K
1853.1 shares @ $118.72
Traded
May 29, 2026
Filed
Jun 2, 2026
Thulin Inge G
Director
Award
Calculated transaction value
$220K
1853.1 shares @ $118.72
Traded
May 29, 2026
Filed
Jun 2, 2026