Insider
Date
Role
Action
Shares
Price
Amount
David R. Maraldo
2 May 2026
EVP & Pres. MMD
Exercised, kept
552
$112.16
$61.91K
Dalton E. Smart III
2 May 2026
SVP Fin. - Global Controller
Exercised, kept
383
$112.16
$42.96K
Betty D Larson
30 Apr 2026
EVP, Chief HR Officer
Exercised, kept
11,350
$110.95
$1.26M
Dalton E. Smart III
30 Apr 2026
SVP Fin. - Global Controller
Exercised, kept
464
$110.95
$51.48K
Johannes Jacobus Oosthuizen
29 Apr 2026
EVP, Oncology & Int?l
Exercised, kept
1,377
$110.03
$151.51K
Robert M Davis
29 Apr 2026
Chairman, CEO & President
Exercised, kept
13,300
$110.03
$1.46M
Caroline Litchfield
29 Apr 2026
EVP & CFO
Exercised, kept
3,935
$110.03
$432.97K
Betty D Larson
29 Apr 2026
EVP, Chief HR Officer
Exercised, kept
2,085
$110.03
$229.41K
Jennifer Zachary
29 Apr 2026
EVP, General Counsel
Exercised, kept
2,951
$110.03
$324.70K
Dean Y Li
29 Apr 2026
Executive VP & President, MRL
Exercised, kept
4,722
$110.03
$519.56K
Dalton E. Smart III
29 Apr 2026
SVP Fin. - Global Controller
Exercised, kept
944
$110.03
$103.87K
David Michael Williams
29 Apr 2026
EVP,Chief Info&Digital Officer
Exercised, kept
1,377
$110.03
$151.51K
Richard R. DeLuca
29 Apr 2026
EVP&Pres, Merck Animal Heallth
Exercised, kept
2,518
$110.03
$277.06K
Sanat Chattopadhyay
29 Apr 2026
Exe V-P & Pres. MMD
Exercised, kept
2,597
$110.03
$285.75K
Chirfi Guindo
29 Apr 2026
EVP, Access, Policy & Comms
Exercised, kept
1,967
$110.03
$216.43K
Chirfi Guindo
4 Aug 2025
Chief Marketing Officer
Exercised, kept
36,903
$79.29
$2.93M
David Michael Williams
4 Aug 2025
EVP,Chief Info&Digital Officer
Exercised, kept
17,119
$79.29
$1.36M
Dalton E. Smart III
3 May 2025
SVP Fin. - Global Controller
Exercised, kept
1,532
$83.18
$127.43K
Dalton E. Smart III
3 May 2025
SVP Fin. - Global Controller
Exercised, kept
518
$83.18
$43.09K
Joseph Romanelli
2 May 2025
President, Human Health Int?l
Exercised, kept
2,262
$83.26
$188.33K
Dalton E. Smart III
2 May 2025
SVP Fin. - Global Controller
Exercised, kept
381
$83.26
$31.72K
Betty D Larson
30 Apr 2025
EVP, Chief HR Officer
Exercised, kept
11,350
$84.71
$961.46K
Joseph Romanelli
30 Apr 2025
President, Human Health Int?l
Exercised, kept
2,063
$84.71
$174.76K
Dalton E. Smart III
30 Apr 2025
SVP Fin. - Global Controller
Exercised, kept
464
$84.71
$39.31K
Johannes Jacobus Oosthuizen
8 Feb 2025
President, U.S. Market
Exercised, kept
13,002
$87.28
$1.13M
Chirfi Guindo
5 Aug 2024
Chief Marketing Officer
Exercised, kept
36,901
$115.20
$4.25M
Johannes Jacobus Oosthuizen
4 May 2024
President, U.S. Market
Exercised, kept
912
$127.51
$116.29K
Michael A Klobuchar
4 May 2024
EVP - Chief Strategy Officer
Exercised, kept
887
$127.51
$113.10K
Richard R. DeLuca
4 May 2024
EVP&Pres, Merck Animal Heallth
Exercised, kept
27,126
$127.51
$3.46M
Dalton E. Smart III
4 May 2024
SVP Fin. - Global Controller
Exercised, kept
612
$127.51
$78.04K
Dalton E. Smart III
3 May 2024
SVP Fin. - Global Controller
Exercised, kept
1,530
$128.26
$196.24K
Dalton E. Smart III
3 May 2024
SVP Fin. - Global Controller
Exercised, kept
516
$128.26
$66.18K
Dalton E. Smart III
2 May 2024
SVP Fin. - Global Controller
Exercised, kept
381
$128.80
$49.07K
Joseph Romanelli
2 May 2024
President, Human Health Int?l
Exercised, kept
2,262
$128.80
$291.35K
Johannes Jacobus Oosthuizen
30 Oct 2023
President, U.S. Market
Exercised, kept
915
$102.82
$94.08K
Chirfi Guindo
3 Aug 2023
Chief Marketing Officer
Exercised, kept
36,901
$105.70
$3.90M
Lisa LeCointe-Cephas
4 May 2023
SVP Chief Ethics & Com Officer
Exercised, kept
813
$118.22
$96.11K
Michael A Klobuchar
4 May 2023
EVP - Chief Strategy Officer
Exercised, kept
885
$118.22
$104.62K
Johannes Jacobus Oosthuizen
4 May 2023
President, U.S. Market
Exercised, kept
907
$118.22
$107.23K
Rita A Karachun
3 May 2023
Sr. VP Fince-Global Controller
Exercised, kept
803
$117.89
$94.67K
Lisa LeCointe-Cephas
3 May 2023
SVP Chief Ethics & Com Officer
Exercised, kept
689
$117.89
$81.23K
Michael A Klobuchar
1 May 2023
EVP - Chief Strategy Officer
Exercised, kept
866
$115.47
$100.00K
Lisa LeCointe-Cephas
1 May 2023
SVP Chief Ethics & Com Officer
Exercised, kept
643
$115.47
$74.25K
Johannes Jacobus Oosthuizen
1 May 2023
President, U.S. Market
Exercised, kept
866
$115.47
$100.00K
Caroline Litchfield
1 May 2023
EVP & CFO
Exercised, kept
866
$115.47
$100.00K
Dean Y Li
1 May 2023
Executive VP & President, MRL
Exercised, kept
1,062
$115.47
$122.63K
Rita A Karachun
1 May 2023
Sr. VP Fince-Global Controller
Exercised, kept
930
$115.47
$107.39K
David Michael Williams
1 May 2023
EVP,Chief Info&Digital Officer
Exercised, kept
577
$115.47
$66.63K
David Michael Williams
10 Feb 2023
EVP,Chief Info&Digital Officer
Exercised, kept
1,205
$106.72
$128.60K
Johannes Jacobus Oosthuizen
30 Oct 2022
President, U.S. Market
Exercised, kept
913
$100.77
$92.00K
Lisa LeCointe-Cephas
4 May 2022
SVP Chief Ethics & Com Officer
Exercised, kept
813
$87.10
$70.81K
Michael A Klobuchar
4 May 2022
EVP - Chief Strategy Officer
Exercised, kept
885
$87.10
$77.08K
Rita A Karachun
4 May 2022
Sr. VP Fince-Global Controller
Exercised, kept
949
$87.10
$82.66K
Arpa Garay
4 May 2022
SVP Human Health Global Mktg.
Exercised, kept
907
$87.10
$79.00K
Johannes Jacobus Oosthuizen
4 May 2022
SVP, U.S. Market
Exercised, kept
907
$87.10
$79.00K
Arpa Garay
3 May 2022
SVP Human Health Global Mktg.
Exercised, kept
773
$87.65
$67.75K
Michael A Klobuchar
3 May 2022
EVP - Chief Strategy Officer
Exercised, kept
773
$87.65
$67.75K
Johannes Jacobus Oosthuizen
3 May 2022
SVP, U.S. Market
Exercised, kept
773
$87.65
$67.75K
Rita A Karachun
3 May 2022
Sr. VP Fince-Global Controller
Exercised, kept
902
$87.65
$79.06K
David Michael Williams
3 May 2022
EVP,Chief Info&Digital Officer
Exercised, kept
427
$87.65
$37.43K
Dean Y Li
3 May 2022
Executive VP & President, MRL
Exercised, kept
773
$87.65
$67.75K
Caroline Litchfield
3 May 2022
EVP & CFO
Exercised, kept
773
$87.65
$67.75K
Lisa LeCointe-Cephas
3 May 2022
SVP Chief Ethics & Com Officer
Exercised, kept
452
$87.65
$39.62K
Arpa Garay
1 May 2022
SVP Human Health Global Mktg.
Exercised, kept
866
$88.69
$76.81K
Michael A Klobuchar
1 May 2022
EVP - Chief Strategy Officer
Exercised, kept
866
$88.69
$76.81K
Johannes Jacobus Oosthuizen
1 May 2022
SVP, U.S. Market
Exercised, kept
866
$88.69
$76.81K
Rita A Karachun
1 May 2022
Sr. VP Fince-Global Controller
Exercised, kept
928
$88.69
$82.30K
David Michael Williams
1 May 2022
EVP,Chief Info&Digital Officer
Exercised, kept
577
$88.69
$51.17K
Dean Y Li
1 May 2022
Executive VP & President, MRL
Exercised, kept
1,061
$88.69
$94.10K
Caroline Litchfield
1 May 2022
EVP & CFO
Exercised, kept
866
$88.69
$76.81K
Lisa LeCointe-Cephas
1 May 2022
SVP Chief Ethics & Com Officer
Exercised, kept
640
$88.69
$56.76K
David Michael Williams
10 Feb 2022
EVP,Chief Info&Digital Officer
Exercised, kept
1,202
$76.53
$91.99K
Steven Mizell
30 Oct 2021
EVP, Chief HR Officer
Exercised, kept
4,715
$88.05
$415.16K
Frank Clyburn
30 Oct 2021
EVP & Pres ? Human Health
Exercised, kept
2,358
$88.05
$207.62K
Frank Clyburn
4 May 2021
EVP, Chief Commercial Officer
Exercised, kept
1,906
$75.98
$144.82K
Lisa LeCointe-Cephas
4 May 2021
SVP Chief Ethics & Com Officer
Exercised, kept
694
$75.98
$52.73K
Jennifer Zachary
4 May 2021
EVP, General Counsel
Exercised, kept
5,772
$75.98
$438.56K
Dean Y Li
4 May 2021
Executive VP & President, MRL
Exercised, kept
694
$75.98
$52.73K
Caroline Litchfield
4 May 2021
EVP & CFO
Exercised, kept
1,039
$75.98
$78.94K
Rita A Karachun
4 May 2021
Sr. VP Fince-Global Controller
Exercised, kept
1,212
$75.98
$92.09K
David Michael Williams
4 May 2021
EVP,Chief Info&Digital Officer
Exercised, kept
417
$75.98
$31.68K
Rita A Karachun
3 May 2021
Sr. VP Fince-Global Controller
Exercised, kept
875
$74.50
$65.19K
David Michael Williams
3 May 2021
EVP,Chief Info&Digital Officer
Exercised, kept
412
$74.50
$30.69K
Dean Y Li
3 May 2021
Executive VP & President, MRL
Exercised, kept
750
$74.50
$55.88K
Caroline Litchfield
3 May 2021
EVP & CFO
Exercised, kept
750
$74.50
$55.88K
Lisa LeCointe-Cephas
3 May 2021
SVP Chief Ethics & Com Officer
Exercised, kept
437
$74.50
$32.56K
Rita A Karachun
1 May 2021
Sr. VP Fince-Global Controller
Exercised, kept
901
$74.50
$67.12K
David Michael Williams
1 May 2021
EVP,Chief Info&Digital Officer
Exercised, kept
560
$74.50
$41.72K
Dean Y Li
1 May 2021
Executive VP & President, MRL
Exercised, kept
1,030
$74.50
$76.74K
Caroline Litchfield
1 May 2021
EVP & CFO
Exercised, kept
840
$74.50
$62.58K
Lisa LeCointe-Cephas
1 May 2021
SVP Chief Ethics & Com Officer
Exercised, kept
622
$74.50
$46.34K
David Michael Williams
10 Feb 2021
EVP,Chief Info&Digital Officer
Exercised, kept
1,167
$75.04
$87.57K
Steven Mizell
30 Oct 2020
EVP, Chief HR Officer
Exercised, kept
4,574
$75.89
$347.12K
Michael Nally
30 Oct 2020
EVP, Chief Marketing Officer
Exercised, kept
2,287
$75.89
$173.56K
Frank Clyburn
30 Oct 2020
EVP, Chief Commercial Officer
Exercised, kept
2,287
$75.89
$173.56K
Michael Nally
5 May 2020
EVP, Chief Marketing Officer
Exercised, kept
2,345
$76.86
$180.24K
Rita A Karachun
5 May 2020
Sr. VP Fince-Global Controller
Exercised, kept
3,283
$76.86
$252.33K
Michael Fleming
5 May 2020
SVP Chief Ethics & Com Officer
Exercised, kept
1,290
$76.86
$99.15K
Frank Clyburn
5 May 2020
EVP, Chief Commercial Officer
Exercised, kept
3,752
$76.86
$288.38K
Jennifer Zachary
4 May 2020
EVP, General Counsel
Exercised, kept
5,772
$77.67
$448.31K
Michael Nally
4 May 2020
EVP, Chief Marketing Officer
Exercised, kept
1,298
$77.67
$100.82K
Rita A Karachun
4 May 2020
Sr. VP Fince-Global Controller
Exercised, kept
1,212
$77.67
$94.14K
Michael Fleming
4 May 2020
SVP Chief Ethics & Com Officer
Exercised, kept
692
$77.67
$53.75K
Frank Clyburn
4 May 2020
EVP, Chief Commercial Officer
Exercised, kept
1,904
$77.67
$147.88K
Michael Fleming
3 May 2020
SVP Chief Ethics & Com Officer
Exercised, kept
1,541
$77.67
$119.69K
Rita A Karachun
3 May 2020
Sr. VP Fince-Global Controller
Exercised, kept
875
$77.67
$67.96K
