Stock chart
Ticker: MRK Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
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 Total value Details
2024-02-15 2024-02-14 S Sale

Litchfield Caroline

EVP & CFO

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

Davis Robert M

Chairman, CEO & President

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

Davis Robert M

Chairman, CEO & President

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

Davis Robert M

Chairman, CEO & President

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

Romanelli Joseph

President, Human Health Int?l

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

Li Dean Y

Executive VP & President, MRL

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

Williams David Michael

EVP,Chief Info&Digital Officer

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

Oosthuizen Johannes Jacobus

President, U.S. Market

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

MIZELL STEVEN

EVP, Chief HR Officer

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

Zachary Jennifer

EVP, General Counsel

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

Oosthuizen Johannes Jacobus

President, U.S. Market

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

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

Romanelli Joseph

President, Human Health Int?l

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

Romanelli Joseph

President, Human Health Int?l

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

Karachun Rita A

Sr. VP Fince-Global Controller

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

Zachary Jennifer

EVP, General Counsel

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

Williams David Michael

EVP,Chief Info&Digital Officer

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

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

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

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

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

Davis Robert M

Chairman, CEO & President

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Romanelli Joseph

President, Human Health Int?l

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

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

Zachary Jennifer

EVP, General Counsel

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

MIZELL STEVEN

EVP, Chief HR Officer

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

Oosthuizen Johannes Jacobus

President, U.S. Market

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

Davis Robert M

CEO & President

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

Davis Robert M

CEO & President

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

Davis Robert M

CEO & President

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

MIZELL STEVEN

EVP, Chief HR Officer

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

Oosthuizen Johannes Jacobus

President, U.S. Market

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

Zachary Jennifer

EVP, General Counsel

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

Zachary Jennifer

EVP, General Counsel

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

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

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

Oosthuizen Johannes Jacobus

President, U.S. Market

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

Chattopadhyay Sanat

Exe V-P & Pres. MMD

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

Karachun Rita A

Sr. VP Fince-Global Controller

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

FRAZIER KENNETH C

Executive Chair

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

MIZELL STEVEN

EVP, Chief HR Officer

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

MIZELL STEVEN

EVP, Chief HR Officer

Officer
17,000 -29.7%
100.00
1,700,000 USD
17,000 -29.7% 100.00 1,700,000 USD
2021-11-10 2021-11-09 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
29,615 -4.8%
83.23
2,464,865 USD
29,615 -4.8% 83.23 2,464,865 USD
2021-11-10 2021-11-09 S Sale

FRAZIER KENNETH C

Executive Chair

Executive Director
634,266 -50.7%
82.22
52,146,496 USD
634,266 -50.7% 82.22 52,146,496 USD
2021-11-05 2021-11-04 S Sale

DeLuca Richard R.

EVP&Pres, Merck Animal Heallth

Officer
29,782 -20.3%
90.40
2,692,299 USD
29,782 -20.3% 90.40 2,692,299 USD
2021-11-05 2021-11-04 S Sale

Litchfield Caroline

EVP & CFO

Officer
18,335 -43.2%
91.00
1,668,503 USD
18,335 -43.2% 91.00 1,668,503 USD
2021-11-04 2021-11-03 S Sale

Karachun Rita A

Sr. VP Fince-Global Controller

Officer
25,000 -41.1%
88.45
2,211,215 USD
25,000 -41.1% 88.45 2,211,215 USD