Date
Insider
Company
Owned Shares
Shares Traded
Price
Net Total
SELL
4 May 2023Zachary Jennifer
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
35,127.594-35%
19,141
$117.59
$2,250,834.20
SELL
3 May 2023Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
45,709.973-25%
15,875
$117.53
$1,865,842.80
SELL
3 May 2023MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
60,085.145-47%
53,400
$119.01
$6,355,056.00
SELL
1 May 2023Williams David Michael
EVP,Chief Info&Digital Officer, Officer
Merck & Co., Inc.
(MRK)
11,058.96-40%
7,509
$116.82
$877,222.40
SELL
28 Apr 2023Davis Robert M
Chairman, CEO & President, Director, Officer
Merck & Co., Inc.
(MRK)
271,816.75-34%
143,329
$114.93
$16,472,845.00
SELL
28 Apr 2023DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
154,492.86-47%
141,599
$115.55
$16,361,594.00
SELL
13 Apr 2023Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
67,892-66%
134,055
$115.07
$15,425,068.00
SELL
15 Feb 2023Romanelli Joseph
President, Human Health Int?l, Officer
Merck & Co., Inc.
(MRK)
20,284.324-19%
5,000
$108.22
$541,100.50
SELL
13 Feb 2023MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
33,085.145-5%
1,815
$109.10
$198,017.05
SELL
9 Feb 2023MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
34,900.145-12%
5,000
$107.00
$535,006.50
SELL
6 Feb 2023MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
39,900.145-10%
4,436
$104.25
$462,473.40
SELL
3 Feb 2023Zachary Jennifer
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
53,919.94-58%
75,436
$103.17
$7,782,762.50
SELL
9 Jan 2023Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
77,896-51%
83,994
$112.29
$9,431,915.00
SELL
9 Nov 2022Oosthuizen Johannes Jacobus
President, U.S. Market, Officer
Merck & Co., Inc.
(MRK)
16,730.88-9%
1,795
$103.21
$185,261.95
SELL
9 Nov 2022Davis Robert M
CEO & President, Director, Officer
Merck & Co., Inc.
(MRK)
327,610.75-33%
167,613
$102.44
$17,169,840.00
SELL
8 Nov 2022MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
32,144.145-52%
35,000
$101.18
$3,541,277.50
SELL
7 Nov 2022Oosthuizen Johannes Jacobus
President, U.S. Market, Officer
Merck & Co., Inc.
(MRK)
18,525.88-71%
45,561
$99.47
$4,531,980.00
SELL
7 Nov 2022FRAZIER KENNETH C
Executive Chair, Director, Officer
Merck & Co., Inc.
(MRK)
911,508.06-20%
235,769
$99.55
$23,471,432.00
SELL
3 Nov 2022FRAZIER KENNETH C
Executive Chair, Director, Officer
Merck & Co., Inc.
(MRK)
735,463.06-38%
470,000
$98.66
$46,372,116.00
SELL
1 Nov 2022FRAZIER KENNETH C
Executive Chair, Director, Officer
Merck & Co., Inc.
(MRK)
794,992.06-43%
600,000
$99.86
$59,914,708.00
SELL
28 Oct 2022Zachary Jennifer
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
103,527.305-61%
165,255
$99.38
$16,422,893.00
SELL
28 Oct 2022Oosthuizen Johannes Jacobus
President, U.S. Market, Officer
Merck & Co., Inc.
(MRK)
10,880.881-25%
3,633
$100.21
$364,064.75
SELL
28 Oct 2022MIZELL STEVEN
EVP, Chief HR Officer, Officer
Merck & Co., Inc.
(MRK)
40,144.145-38%
25,000
$99.63
$2,490,720.00
SELL
28 Oct 2022Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
41,102.973-43%
31,997
$100.34
$3,210,684.50
SELL
28 Oct 2022FRAZIER KENNETH C
Executive Chair, Director, Officer
Merck & Co., Inc.
(MRK)
935,585.06-48%
867,084
$100.44
$87,090,360.00
SELL
28 Oct 2022DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
136,977.14-54%
164,557
$100.26
$16,499,094.00
SELL
28 Oct 2022Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
45,608.355-68%
100,292
$100.10
$10,039,380.00
BUY
30 Mar 2022Tommy Tuberville
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
16 Mar 2022 John Rutherford
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
28 Feb 2022 Robert J. Wittman
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
9 Nov 2021FRAZIER KENNETH C
Executive Chair, Director, Officer
Merck & Co., Inc.
(MRK)
616,410.06-51%
663,881
$82.26
$54,611,360.00
SELL
4 Nov 2021Litchfield Caroline
EVP & CFO, Officer
Merck & Co., Inc.
(MRK)
24,113.768-43%
18,335
$91.00
$1,668,503.40
SELL
4 Nov 2021DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
116,929.96-20%
29,782
$90.40
$2,692,298.80
SELL
3 Nov 2021Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
35,798.973-41%
25,000
$88.45
$2,211,215.00
SELL
1 Nov 2021Gerberding Julie L.
EVP, Chief Patient Officer, Officer
Merck & Co., Inc.
(MRK)
39,162.137-71%
96,270
$87.91
$8,462,682.00
SELL
30 Oct 2021Clyburn Frank
EVP & Pres ? Human Health, Officer
Merck & Co., Inc.
(MRK)
97,095.086-29%
39,762
$87.87
$3,493,878.80
SELL
29 Oct 2021DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
116,929.96-53%
135,405
$87.56
$11,856,265.00
SELL
29 Oct 2021Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
93,145.36-20%
24,619
$87.32
$2,149,731.00
SELL
16 Sep 2021 Katherine M. Clark
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
28 Jul 2021 Carol Devine Miller
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$15,001 - 50,000
BUY
27 Jul 2021 Katherine M. Clark
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
BUY
2 Jun 2021John Hickenlooper
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
10 May 2021Clyburn Frank
EVP & Pres ? Human Health, Officer
Merck & Co., Inc.
(MRK)
94,348.055-17%
20,251.55
$74.73
$1,513,440.20
SELL
29 Mar 2021Tommy Tuberville
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
BUY
17 Mar 2021 William R. Keating
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
10 Mar 2021 Richard W. Allen
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$15,001 - 50,000
SELL
28 Jan 2021Mr. Peter Meijer
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
9 Nov 2020FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
556,412.06-34%
293,440
$77.69
$22,797,012.00
SELL
5 Oct 2020Davis Robert M
EVP, Global Svcs & CFO, Officer
Merck & Co., Inc.
(MRK)
171,055.75-60%
263,334.1
$77.32
$20,360,324.00
SELL
13 Aug 2020Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
67,373.36-13%
10,878.24
$79.21
$861,676.00
SELL
5 Aug 2020Clyburn Frank
EVP, Chief Commercial Officer, Officer
Merck & Co., Inc.
(MRK)
80,763.11-19%
19,782.047
$77.81
$1,539,273.60
SELL
17 Jul 2020Gerberding Julie L.
EVP Strat Comm, GI Pub Policy, Officer
Merck & Co., Inc.
(MRK)
44,751.137-45%
38,026.68
$76.34
$2,902,976.20
BUY
30 Mar 2020 Robert J. Wittman
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
13 Jan 2020Gerberding Julie L.
EVP Strat Comm, GI Pub Policy, Officer
Merck & Co., Inc.
(MRK)
37,038.367-74%
106,972.5
$85.24
$9,118,865.00
SELL
13 Jan 2020 Michael John Gallagher
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
8 Aug 2019DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
71,523.81-35%
39,956.047
$81.13
$3,241,639.00
SELL
22 Jul 2019 Bryan George Steil
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
12 Jul 2019 Bryan George Steil
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
25 Jun 2019Davis Robert M
EVP, Global Svcs & CFO, Officer
Merck & Co., Inc.
(MRK)
164,209.75-58%
227,120.45
$81.52
$18,514,032.00
SELL
7 May 2019Clyburn Frank
EVP, Chief Commercial Officer, Officer
Merck & Co., Inc.
(MRK)
67,604.086-27%
26,200
$74.17
$1,943,182.60
SELL
3 May 2019DeLuca Richard R.
EVP&Pres, Merck Animal Heallth, Officer
Merck & Co., Inc.
(MRK)
71,064.21-34%
36,680
$76.34
$2,800,000.00
SELL
25 Mar 2019Davis Robert M
EVP, Global Svcs & CFO, Officer
Merck & Co., Inc.
(MRK)
137,659.75-59%
201,815.45
$78.60
$15,863,118.00
SELL
25 Mar 2019 Nicholas Van Taylor
Congressman (House)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
20 Mar 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
797,715.06-20%
201,987.33
$78.29
$15,813,372.00
SELL
13 Mar 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
797,715.06-2%
19,623.799
$78.24
$1,535,453.80
SELL
4 Mar 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
797,715.06-2%
21,070.04
$78.25
$1,648,684.00
SELL
21 Feb 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
691,950.06-12%
100,558.74
$76.35
$7,677,541.00
SELL
15 Feb 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
691,950.06-17%
142,122.42
$76.36
$10,853,106.00
SELL
14 Feb 2019Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
16,174.972-80%
67,765.77
$75.35
$5,105,950.50
SELL
12 Feb 2019Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
51,467.08-60%
77,265.89
$75.02
$5,796,306.00
SELL
5 Feb 2019FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
691,950.06-25%
242,681.16
$74.50
$18,079,654.00
SELL
11 Jan 2019James M. Inhofe
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$100,001 - $250,000
SELL
8 Nov 2018PERLMUTTER ROGER M
Exe V-P & Pres, MRL, Officer
Merck & Co., Inc.
(MRK)
141,554.97-62%
236,264.27
$71.82
$16,967,968.00
SELL
7 Nov 2018Gerberding Julie L.
EVP Strat Comm, Gl Pub Policy, Officer
Merck & Co., Inc.
(MRK)
46,262.984-45%
37,956.465
$71.70
$2,721,348.00
SELL
1 Nov 2018Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
145,135-66%
291,217.2
$70.43
$20,510,944.00
SELL
31 Oct 2018Watson Ashley
SVP Chief Ethics & Com Officer, Officer
Merck & Co., Inc.
(MRK)
9,770.119-83%
49,293.727
$70.93
$3,496,157.50
SELL
30 Oct 2018DeLuca Richard R.
EVP&Pres, Merck Animal Health, Officer
Merck & Co., Inc.
(MRK)
56,667.83-32%
26,689.416
$68.71
$1,833,738.60
SELL
2 Oct 2018FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
691,950.06-29%
293,282.78
$68.77
$20,168,258.00
SELL
18 Sep 2018FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
691,950.06-29%
293,283.84
$66.87
$19,611,818.00
SELL
17 Sep 2018Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
112,513.28
$66.96
$7,534,291.50
SELL
3 Aug 2018Chattopadhyay Sanat
Exe V-P & Pres. MMD, Officer
Merck & Co., Inc.
(MRK)
51,467.08-37%
30,609.982
$62.21
$1,904,361.50
SELL
2 Aug 2018Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
16,174.972-24%
5,240
$62.03
$325,040.03
SELL
31 Jul 2018FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
710,697.06-25%
239,039.36
$62.03
$14,826,691.00
SELL
18 Jun 2018Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
140,530.52
$58.21
$8,179,945.00
SELL
15 May 2018Gerberding Julie L.
EVP Strat Comm, Gl Pub Policy, Officer
Merck & Co., Inc.
(MRK)
45,716.527-18%
10,450.656
$56.93
$594,963.44
SELL
16 Apr 2018GRADDICK WEIR MIRIAN M
Exe V-P, HR, Officer
Merck & Co., Inc.
(MRK)
80,433.32-23%
25,152
$55.34
$1,392,000.00
SELL
16 Jan 2018Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
106,478.89
$58.81
$6,261,731.00
SELL
16 Jan 2018Holston Michael J
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
49,092.227-21%
13,100
$58.81
$770,375.00
SELL
12 Jan 2018GRADDICK WEIR MIRIAN M
Exe V-P, HR, Officer
Merck & Co., Inc.
(MRK)
145,484.31-31%
68,120
$58.54
$3,987,800.00
SELL
4 Jan 2018Shelley Moore Capito
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
4 Jan 2018Shelley Moore Capito
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
13 Dec 2017David Perdue
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$100,001 - $250,000
SELL
27 Nov 2017Sheldon Whitehouse
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$15,001 - 50,000
SELL
26 Oct 2017Shelley Moore Capito
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
BUY
5 Sep 2017Shelley Moore Capito
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
SELL
3 Apr 2017Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
116,335.98-32%
56,434.797
$60.57
$3,418,166.50
SELL
14 Feb 2017Karachun Rita A
Sr. VP Fince-Global Controller, Officer
Merck & Co., Inc.
(MRK)
11,674.566-20%
3,095.792
$61.77
$191,226.61
SELL
3 Feb 2017Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
38,079.08
$60.81
$2,315,698.50
SELL
3 Feb 2017Holston Michael J
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
128,239.23-42%
96,373.03
$61.03
$5,881,252.00
SELL
9 Nov 2016FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
508,877.06-22%
146,720
$62.05
$9,104,486.00
SELL
7 Nov 2016Gerberding Julie L.
EVP Strat Comm, Gl Pub Policy, Officer
Merck & Co., Inc.
(MRK)
39,115.242-69%
89,628.1
$57.27
$5,133,330.00
SELL
3 Oct 2016GRADDICK WEIR MIRIAN M
Exe V-P, HR, Officer
Merck & Co., Inc.
(MRK)
88,172.625-32%
42,758.4
$59.23
$2,532,582.50
SELL
1 Sep 2016Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
41,081.598
$59.74
$2,454,308.20
SELL
10 Aug 2016Golestani Clark
EVP & Chief Info Officer, Officer
Merck & Co., Inc.
(MRK)
14,083-18%
3,144
$60.14
$189,090.00
SELL
5 Aug 2016FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
881,829.06-31%
410,816
$58.98
$24,231,096.00
SELL
5 Jul 2016GRADDICK WEIR MIRIAN M
Exe V-P, HR, Officer
Merck & Co., Inc.
(MRK)
123,150.766-27%
47,160
$55.33
$2,609,329.50
SELL
1 Jul 2016Schechter Adam H
EVP & Pres-Global Human Health, Officer
Merck & Co., Inc.
(MRK)
0-100%
52,400
$55.05
$2,884,415.00
SELL
1 Jul 2016FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
522,477.06-10%
62,880
$55.34
$3,480,000.00
SELL
1 Jul 2016GRADDICK WEIR MIRIAN M
Exe V-P, HR, Officer
Merck & Co., Inc.
(MRK)
132,150.77-19%
31,440
$54.85
$1,724,553.00
SELL
19 May 2016Golestani Clark
EVP & Chief Info Officer, Officer
Merck & Co., Inc.
(MRK)
17,083-70%
41,791.094
$52.28
$2,184,952.00
SELL
10 May 2016Holston Michael J
EVP, General Counsel, Officer
Merck & Co., Inc.
(MRK)
64,280.227-61%
104,822.01
$52.00
$5,451,144.50
SELL
14 Apr 2016FRAZIER KENNETH C
Chairman, President & CEO, Director, Officer
Merck & Co., Inc.
(MRK)
522,477.06-20%
137,329.92
$53.54
$7,352,943.00
BUY
14 Jan 2016Sheldon Whitehouse
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000
BUY
14 Jan 2016Sheldon Whitehouse
Congressman (Senate)
Merck & Co., Inc.
(MRK)
N/A
N/A
N/A
$1,001 - $15,000