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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MERCK AND CO INC: MRK
Price: 2/21/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$89.50 $134.63 $81.04 $226,403 2,530 13,985 3.6% 1.2% 80.00% 0.71%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
S
$714,745
8,500
---
2/19/25
---
$84.09
30,705
-21.7
D
---
2/20/25 - 4:01:54 pm
2
    
 
WILLIAMS DAVID MICHAEL
VP,IO
S
$512,057
6,000
---
2/13/25
---
$85.34
24,123
-19.9
D
---
2/13/25 - 4:01:11 pm
3
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JS
$558,941
6,404
---
2/8/25
---
$87.28
39,205
-14.0
D
R
2/11/25 - 2:59:22 pm
4
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JB
$1,134,815
13,002
---
2/8/25
---
$87.28
45,609
39.9
D
R
2/11/25 - 2:59:22 pm
5
1w
1
0%
-5%
3
THULIN INGE G
DIR
B
$250,000
2,833
---
2/6/25
---
$88.25
2,933
2,832.9
D
---
2/7/25 - 4:09:51 pm
6
    
 
DOWNING CRISTAL N
O
S
$209,551
2,361
---
2/6/25
---
$88.76
7,085
-25.0
D
---
2/7/25 - 4:07:43 pm
7
1w
1
0%
-5%
4
BAKER DOUGLAS M JR
DIR
B
$1,327,500
15,000
---
2/5/25
---
$88.50
16,000
1,500.0
D
---
2/7/25 - 4:04:52 pm
8
    
 
ZACHARY JENNIFER
VP,GC
JB
$2,489,929
25,423
---
1/27/25
---
$97.94
55,286
85.1
D
---
1/29/25 - 6:29:21 pm
9
    
 
WILLIAMS DAVID MICHAEL
VP,IO
JB
$1,003,493
10,246
---
1/27/25
---
$97.94
30,123
51.5
D
---
1/29/25 - 6:27:10 pm
10
    
 
SMART DALTON
VP,FO,CT
JB
$253,273
2,586
---
1/27/25
---
$97.94
7,014
58.4
D
---
1/29/25 - 6:25:14 pm
11
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JB
$848,552
8,664
---
1/27/25
---
$97.94
32,607
36.2
D
---
1/29/25 - 6:23:37 pm
12
    
 
LITCHFIELD CAROLINE
VP,CFO
JB
$2,294,930
23,432
---
1/27/25
---
$97.94
74,340
46.0
D
---
1/29/25 - 6:21:12 pm
13
    
 
LI DEAN Y
VP,PR
JB
$3,194,901
32,621
---
1/27/25
---
$97.94
79,592
69.4
D
---
1/29/25 - 6:19:34 pm
14
    
 
DOWNING CRISTAL N
O
JB
$925,141
9,446
---
1/27/25
---
$97.94
9,446
New
D
---
1/29/25 - 6:17:11 pm
15
    
 
DELUCA RICHARD R
VP,PR
JB
$2,491,398
25,438
---
1/27/25
---
$97.94
178,993
16.6
D
---
1/29/25 - 6:14:21 pm
16
    
 
DAVIS ROBERT M
CB,CEO,PR,DIR
JB
$9,331,234
95,275
---
1/27/25
---
$97.94
443,602
27.4
D
---
1/29/25 - 6:12:09 pm
17
    
 
CHATTOPADHYAY SANAT
VP,PR
JB
$2,755,640
28,136
---
1/27/25
---
$97.94
78,758
55.6
D
---
1/29/25 - 6:09:19 pm
18
    
 
GUINDO CHIRFI
SO
JB
$2,757,795
28,158
---
1/27/25
---
$97.94
69,144
68.7
D
---
1/29/25 - 6:07:13 pm
19
    
 
KARSANBHAI SURENDRALAL LANCA
DIR
3
---
---
---
1/1/25
---
---
1
---
D
---
1/3/25 - 12:55:09 pm
20
    
 
GUINDO CHIRFI
SO
JS
$2,005,862
17,412
---
8/5/24
---
$115.20
40,370
-30.1
D
R
8/6/24 - 12:20:35 pm
21
    
 
GUINDO CHIRFI
SO
JB
$4,250,995
36,901
---
8/5/24
---
$115.20
57,782
176.7
D
R
8/6/24 - 12:20:35 pm
22
    
 
SMART DALTON
VP,FO,CT
JS
$146,888
1,147
5/3/24
5/4/24
---
$127.51
3,178
-26.5
D
R
5/6/24 - 4:10:26 pm
23
    
 
SMART DALTON
VP,FO,CT
JB
$340,456
2,658
5/3/24
5/4/24
---
$127.51
4,730
128.3
D
R
5/6/24 - 4:10:26 pm
24
    
 
DELUCA RICHARD R
VP,PR
JS
$1,703,534
13,360
---
5/4/24
---
$127.51
150,360
-8.2
D
R
5/6/24 - 4:08:55 pm
25
    
 
DELUCA RICHARD R
VP,PR
JB
$3,458,836
27,126
---
5/4/24
---
$127.51
163,720
19.9
D
R
5/6/24 - 4:08:55 pm
26
    
 
KLOBUCHAR MICHAEL A
VP
JS
$55,722
437
---
5/4/24
---
$127.51
23,621
-1.8
D
R
5/6/24 - 4:06:55 pm
27
    
 
KLOBUCHAR MICHAEL A
VP
JB
$113,101
887
---
5/4/24
---
$127.51
24,058
3.8
D
R
5/6/24 - 4:06:55 pm
28
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JS
$57,380
450
---
5/4/24
---
$127.51
23,821
-1.9
D
R
5/6/24 - 4:01:39 pm
29
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JB
$116,289
912
---
5/4/24
---
$127.51
24,271
3.9
D
R
5/6/24 - 4:01:39 pm
30
    
 
ROMANELLI JOSEPH
PR,HR
JS
$143,612
1,115
---
5/2/24
---
$128.80
20,716
-5.1
D
R
5/2/24 - 4:29:38 pm
31
    
 
ROMANELLI JOSEPH
PR,HR
JB
$291,346
2,262
---
5/2/24
---
$128.80
21,831
11.6
D
R
5/2/24 - 4:29:38 pm
32
    
 
SMART DALTON
VP,FO,CT
JS
$16,873
131
---
5/2/24
---
$128.80
2,917
-4.3
D
R
5/2/24 - 4:23:48 pm
33
    
 
SMART DALTON
VP,FO,CT
JB
$49,073
381
---
5/2/24
---
$128.80
3,048
14.3
D
R
5/2/24 - 4:23:48 pm
34
    
 
LARSON BETTY D
VP,HR
3
---
---
---
4/1/24
---
---
---
---
---
---
4/8/24 - 1:56:05 pm
35
    
 
LITCHFIELD CAROLINE
VP,CFO
OS
$4,805,521
38,291
---
2/14/24
---
$125.50
50,908
-42.9
D
---
2/15/24 - 4:03:47 pm
36
    
 
LITCHFIELD CAROLINE
VP,CFO
OE
$2,223,941
38,291
---
2/14/24
---
$58.08
89,199
75.2
D
---
2/15/24 - 4:03:47 pm
37
1y
6
67%
-7%
2
DAVIS ROBERT M
CB,CEO,PR,DIR
OS
$29,538,998
235,021
2/13/24
2/14/24
---
$125.40
348,327
-40.3
D
---
2/15/24 - 4:01:31 pm
38
    
 
DAVIS ROBERT M
CB,CEO,PR,DIR
OE
$17,395,758
235,021
2/13/24
2/14/24
---
$73.73
498,327
89.3
D
---
2/15/24 - 4:01:31 pm
39
    
 
ROMANELLI JOSEPH
PR,HR
S
$124,888
1,000
---
2/13/24
---
$124.89
19,569
-4.9
D
---
2/14/24 - 4:03:40 pm
40
    
 
LI DEAN Y
VP,PR
OS
$1,845,083
14,702
---
2/9/24
---
$125.50
46,242
-24.1
D
---
2/12/24 - 4:03:49 pm
41
    
 
LI DEAN Y
VP,PR
OE
$912,553
14,702
---
2/9/24
---
$62.07
60,944
31.8
D
---
2/12/24 - 4:03:49 pm
42
    
 
WILLIAMS DAVID MICHAEL
VP,IO
S
$185,108
1,451
---
2/7/24
---
$127.57
19,812
-6.8
D
---
2/8/24 - 4:04:45 pm
43
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
OS
$2,411,111
18,959
---
2/2/24
---
$127.17
23,327
-44.8
D
---
2/5/24 - 4:01:30 pm
44
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
OE
$1,649,906
20,937
---
2/2/24
$73.73
$87.10
42,286
98.1
D
---
2/5/24 - 4:01:30 pm
45
1y
9
22%
6%
5
MIZELL STEVEN
VP,HR
OS
$6,420,350
50,694
---
2/2/24
---
$126.65
23,619
-68.2
D
---
2/2/24 - 4:07:51 pm
46
    
 
MIZELL STEVEN
VP,HR
OE
$2,430,159
32,994
---
2/2/24
$70.71
$73.73
74,313
79.9
D
---
2/2/24 - 4:07:51 pm
47
    
 
ZACHARY JENNIFER
VP,GC
OS
$6,284,779
49,499
---
2/2/24
---
$126.97
29,058
-63.0
D
---
2/2/24 - 4:05:33 pm
48
    
 
ZACHARY JENNIFER
VP,GC
OE
$1,691,221
19,417
---
2/2/24
---
$87.10
78,557
32.8
D
---
2/2/24 - 4:05:33 pm
49
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JB
$374,174
3,133
---
1/22/24
---
$119.43
21,349
17.2
D
---
1/24/24 - 4:17:50 pm
50
    
 
SMART DALTON
VP,FO,CT
JB
$317,803
2,661
---
1/22/24
---
$119.43
2,667
42,610.1
D
---
1/24/24 - 4:16:20 pm
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