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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MERCK AND CO INC: MRK
Price: 1/30/26 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
$110.27 $112.90 $73.31 $275,431 2,482 13,972 3.1% 1.5% 80.23% 0.06%
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
    
 
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
2
    
 
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
3
    
 
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
4
    
 
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
5
    
 
LARSON BETTY D
VP,HR
3
---
---
---
4/1/24
---
---
---
---
---
---
4/8/24 - 1:56:05 pm
6
    
 
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
7
    
 
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
8
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
9
    
 
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
10
    
 
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
11
    
 
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
12
    
 
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
13
    
 
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
14
    
 
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
15
    
 
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
16
1y
9
22%
6%
6
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
17
    
 
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
18
    
 
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
19
    
 
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
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