Merck & Co Inc (MRK)

In the past 90 days, Merck & Co Inc. has seen five insider trading transactions, with a net value of approximately -$1.4 million from executives. Notably, on February 19, President Johannes Oosthuizen sold 8,500 shares for $714,744.6, and EVP David Williams sold 6,000 shares for $512,056.8. Conversely, Inge Thulin purchased 2,832.861 shares for $249,999.98. The stock has declined by 21.5% over the last 90 days, with the next earnings report scheduled for April 24, 2025, following a recent EPS beat of 3.3%.
Stock chart
Ticker: MRK Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-02-20 2025-02-19 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
8,500 -21.7%
84.09
USD 714,745
8,500 -21.7% 84.09 USD 714,745
2025-02-13 2025-02-13 S Sale

Williams David Michael

EVP,Chief Info&Digital Officer

Officer
6,000 -19.9%
85.34
USD 512,057
6,000 -19.9% 85.34 USD 512,057
2025-02-07 2025-02-06 B Purchase

THULIN INGE G

Non-Executive Director
2,833 +2832.9%
88.25
USD 250,000
2,833 +2832.9% 88.25 USD 250,000
2025-02-07 2025-02-06 S Sale

Downing Cristal N

Chief Comm. & Public Afrs Ofcr

Officer
2,361 -25.0%
88.76
USD 209,551
2,361 -25.0% 88.76 USD 209,551
2025-02-07 2025-02-05 B Purchase

BAKER DOUGLAS M JR

Non-Executive Director
15,000 +1500.0%
88.50
USD 1,327,500
15,000 +1500.0% 88.50 USD 1,327,500
2024-02-15 2024-02-14 S Sale

Litchfield Caroline

EVP & CFO

Officer
38,291 -42.9%
125.50
USD 4,805,521
38,291 -42.9% 125.50 USD 4,805,521
2024-02-15 2024-02-14 S Sale

Davis Robert M

Chairman, CEO & President

Executive Director
85,021 -19.6%
125.40
USD 10,661,574
85,021 -19.6% 125.40 USD 10,661,574
2024-02-15 2024-02-13 S Sale

Davis Robert M

Chairman, CEO & President

Executive Director
25,324 -6.8%
126.37
USD 3,200,277
25,324 -6.8% 126.37 USD 3,200,277
2024-02-15 2024-02-13 S Sale

Davis Robert M

Chairman, CEO & President

Executive Director
124,676 -25.0%
125.74
USD 15,677,147
124,676 -25.0% 125.74 USD 15,677,147
2024-02-14 2024-02-13 S Sale

Romanelli Joseph

President, Human Health Int?l

Officer
1,000 -4.9%
124.89
USD 124,888
1,000 -4.9% 124.89 USD 124,888
2024-02-12 2024-02-09 S Sale

Li Dean Y

Executive VP & President, MRL

Officer
14,702 -24.1%
125.50
USD 1,845,083
14,702 -24.1% 125.50 USD 1,845,083
2024-02-08 2024-02-07 S Sale

Williams David Michael

EVP,Chief Info&Digital Officer

Officer
1,451 -6.8%
127.57
USD 185,108
1,451 -6.8% 127.57 USD 185,108
2024-02-05 2024-02-02 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
18,959 -44.8%
127.18
USD 2,411,111
18,959 -44.8% 127.18 USD 2,411,111
2024-02-02 2024-02-02 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
50,694 -68.2%
126.65
USD 6,420,349
50,694 -68.2% 126.65 USD 6,420,349
2024-02-02 2024-02-02 S Sale

Zachary Jennifer

EVP, General Counsel

Officer
49,499 -63.0%
126.97
USD 6,284,779
49,499 -63.0% 126.97 USD 6,284,779
2023-11-13 2023-11-09 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
2,081 -10.3%
102.38
USD 213,061
2,081 -10.3% 102.38 USD 213,061
2023-11-09 2023-11-08 S Sale

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

Officer
43,823 -28.2%
105.03
USD 4,602,668
43,823 -28.2% 105.03 USD 4,602,668
2023-08-15 2023-08-14 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
4,250 -15.6%
109.01
USD 463,293
4,250 -15.6% 109.01 USD 463,293
2023-08-04 2023-08-03 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
4,500 -14.2%
105.49
USD 474,701
4,500 -14.2% 105.49 USD 474,701
2023-08-03 2023-08-02 S Sale

Romanelli Joseph

President, Human Health Int?l

Officer
59 -100.0%
107.37
USD 6,335
59 -100.0% 107.37 USD 6,335
2023-08-03 2023-08-02 S Sale

Romanelli Joseph

President, Human Health Int?l

Officer
30 -0.1%
107.37
USD 3,221
30 -0.1% 107.37 USD 3,221
2023-05-05 2023-05-04 S Sale

Karachun Rita A

Sr. VP Fince-Global Controller

Officer
15,875 -25.8%
117.53
USD 1,865,843
15,875 -25.8% 117.53 USD 1,865,843
2023-05-05 2023-05-04 S Sale

Zachary Jennifer

EVP, General Counsel

Officer
19,141 -35.3%
117.59
USD 2,250,834
19,141 -35.3% 117.59 USD 2,250,834
2023-05-05 2023-05-03 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
13,400 -29.7%
119.01
USD 1,594,734
13,400 -29.7% 119.01 USD 1,594,734
2023-05-05 2023-05-03 PS Planned sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
12,000 -26.6%
119.01
USD 1,428,089
12,000 -26.6% 119.01 USD 1,428,089
2023-05-05 2023-05-03 PS Planned sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
15,000 -25.0%
119.01
USD 1,785,122
15,000 -25.0% 119.01 USD 1,785,122
2023-05-05 2023-05-03 PS Planned sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
13,000 -17.8%
119.01
USD 1,547,112
13,000 -17.8% 119.01 USD 1,547,112
2023-05-03 2023-05-02 S Sale

Williams David Michael

EVP,Chief Info&Digital Officer

Officer
7,509 -40.4%
116.82
USD 877,222
7,509 -40.4% 116.82 USD 877,222
2023-05-02 2023-05-01 S Sale

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

Officer
75,436 -32.8%
116.03
USD 8,752,749
75,436 -32.8% 116.03 USD 8,752,749
2023-05-02 2023-04-28 S Sale

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

Officer
66,163 -30.0%
115.00
USD 7,608,844
66,163 -30.0% 115.00 USD 7,608,844
2023-04-28 2023-04-28 S Sale

Davis Robert M

Chairman, CEO & President

Executive Director
143,329 -34.5%
114.93
USD 16,472,845
143,329 -34.5% 114.93 USD 16,472,845
2023-04-14 2023-04-13 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
67,892 -100.0%
115.07
USD 7,812,366
67,892 -100.0% 115.07 USD 7,812,366
2023-04-14 2023-04-13 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
66,163 -49.4%
115.06
USD 7,612,702
66,163 -49.4% 115.06 USD 7,612,702
2023-02-16 2023-02-15 S Sale

Romanelli Joseph

President, Human Health Int?l

Officer
5,000 -19.8%
108.22
USD 541,101
5,000 -19.8% 108.22 USD 541,101
2023-02-14 2023-02-13 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
1,815 -5.2%
109.10
USD 198,017
1,815 -5.2% 109.10 USD 198,017
2023-02-10 2023-02-09 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
5,000 -12.5%
107.00
USD 535,007
5,000 -12.5% 107.00 USD 535,007
2023-02-08 2023-02-06 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
4,436 -10.0%
104.25
USD 462,473
4,436 -10.0% 104.25 USD 462,473
2023-02-06 2023-02-03 S Sale

Zachary Jennifer

EVP, General Counsel

Officer
75,436 -58.3%
103.17
USD 7,782,762
75,436 -58.3% 103.17 USD 7,782,762
2023-01-11 2023-01-09 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
1,702 -5.5%
114.46
USD 194,813
1,702 -5.5% 114.46 USD 194,813
2023-01-11 2023-01-09 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
38,216 -55.1%
113.78
USD 4,348,033
38,216 -55.1% 113.78 USD 4,348,033
2023-01-11 2023-01-09 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
3,940 -5.4%
112.78
USD 444,362
3,940 -5.4% 112.78 USD 444,362
2023-01-11 2023-01-09 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
4,538 -5.8%
111.73
USD 507,048
4,538 -5.8% 111.73 USD 507,048
2023-01-11 2023-01-09 PS Planned sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
35,598 -31.4%
110.61
USD 3,937,659
35,598 -31.4% 110.61 USD 3,937,659
2022-11-10 2022-11-10 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
15,000 -31.8%
101.42
USD 1,521,278
15,000 -31.8% 101.42 USD 1,521,278
2022-11-10 2022-11-09 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
1,795 -9.7%
103.21
USD 185,262
1,795 -9.7% 103.21 USD 185,262
2022-11-10 2022-11-09 S Sale

Davis Robert M

CEO & President

Executive Director
100 -0.0%
103.59
USD 10,359
100 -0.0% 103.59 USD 10,359
2022-11-10 2022-11-09 S Sale

Davis Robert M

CEO & President

Executive Director
79,918 -24.4%
102.98
USD 8,229,924
79,918 -24.4% 102.98 USD 8,229,924
2022-11-10 2022-11-09 S Sale

Davis Robert M

CEO & President

Executive Director
87,595 -21.1%
101.94
USD 8,929,557
87,595 -21.1% 101.94 USD 8,929,557
2022-11-10 2022-11-08 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
20,000 -38.4%
101.00
USD 2,020,000
20,000 -38.4% 101.00 USD 2,020,000
2022-11-08 2022-11-07 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
84,721 -10.8%
100.07
USD 8,477,717
84,721 -10.8% 100.07 USD 8,477,717
2022-11-08 2022-11-07 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
126,134 -13.8%
99.42
USD 12,540,835
126,134 -13.8% 99.42 USD 12,540,835
2022-11-08 2022-11-07 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
24,914 -2.7%
98.45
USD 2,452,880
24,914 -2.7% 98.45 USD 2,452,880
2022-11-07 2022-11-07 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
45,561 -71.1%
99.47
USD 4,531,980
45,561 -71.1% 99.47 USD 4,531,980
2022-11-07 2022-11-04 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
34,810 -4.7%
99.08
USD 3,448,989
34,810 -4.7% 99.08 USD 3,448,989
2022-11-07 2022-11-04 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
200,190 -21.4%
98.53
USD 19,725,241
200,190 -21.4% 98.53 USD 19,725,241
2022-11-07 2022-11-03 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
20,383 -2.8%
99.09
USD 2,019,804
20,383 -2.8% 99.09 USD 2,019,804
2022-11-07 2022-11-03 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
214,617 -22.9%
98.68
USD 21,178,084
214,617 -22.9% 98.68 USD 21,178,084
2022-11-03 2022-11-02 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
94,339 -11.9%
100.40
USD 9,471,739
94,339 -11.9% 100.40 USD 9,471,739
2022-11-03 2022-11-02 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
205,661 -20.6%
99.68
USD 20,500,103
205,661 -20.6% 99.68 USD 20,500,103
2022-11-03 2022-11-01 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
700 -0.1%
101.05
USD 70,733
700 -0.1% 101.05 USD 70,733
2022-11-03 2022-11-01 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
96,981 -12.1%
100.22
USD 9,719,843
96,981 -12.1% 100.22 USD 9,719,843
2022-11-03 2022-11-01 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
202,319 -20.1%
99.61
USD 20,152,287
202,319 -20.1% 99.61 USD 20,152,287
2022-11-01 2022-10-31 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
229,302 -24.5%
101.03
USD 23,167,321
229,302 -24.5% 101.03 USD 23,167,321
2022-11-01 2022-10-31 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
70,698 -7.0%
99.82
USD 7,056,770
70,698 -7.0% 99.82 USD 7,056,770
2022-11-01 2022-10-28 S Sale

Zachary Jennifer

EVP, General Counsel

Officer
65,487 -63.3%
99.85
USD 6,538,877
65,487 -63.3% 99.85 USD 6,538,877
2022-11-01 2022-10-28 S Sale

Zachary Jennifer

EVP, General Counsel

Officer
99,768 -49.1%
99.07
USD 9,884,016
99,768 -49.1% 99.07 USD 9,884,016
2022-11-01 2022-10-28 S Sale

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

Officer
164,557 -54.6%
100.26
USD 16,499,094
164,557 -54.6% 100.26 USD 16,499,094
2022-11-01 2022-10-28 S Sale

Oosthuizen Johannes Jacobus

President, U.S. Market

Officer
3,633 -25.0%
100.21
USD 364,065
3,633 -25.0% 100.21 USD 364,065
2022-11-01 2022-10-28 S Sale

Chattopadhyay Sanat

Exe V-P & Pres. MMD

Officer
100,292 -68.7%
100.10
USD 10,039,380
100,292 -68.7% 100.10 USD 10,039,380
2022-11-01 2022-10-28 S Sale

Karachun Rita A

Sr. VP Fince-Global Controller

Officer
31,997 -43.8%
100.34
USD 3,210,685
31,997 -43.8% 100.34 USD 3,210,685
2022-11-01 2022-10-28 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
178,363 -20.2%
100.80
USD 17,978,687
178,363 -20.2% 100.80 USD 17,978,687
2022-11-01 2022-10-28 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
313,232 -26.1%
100.25
USD 31,402,730
313,232 -26.1% 100.25 USD 31,402,730
2022-11-01 2022-10-28 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
75,489 -5.9%
99.15
USD 7,484,855
75,489 -5.9% 99.15 USD 7,484,855
2022-11-01 2022-10-28 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
8,000 -19.9%
98.84
USD 790,720
8,000 -19.9% 98.84 USD 790,720
2022-11-01 2022-10-28 S Sale

MIZELL STEVEN

EVP, Chief HR Officer

Officer
17,000 -29.7%
100.00
USD 1,700,000
17,000 -29.7% 100.00 USD 1,700,000
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