Home About FAQ Contact Key Subscribe
 
Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
Reduced Version of Subscription Insider Search
Check all filing types
Uncheck all filing types
Remove The Noise What is the 'Remove The Noise' function?
Insider Portfolio Alerts
Free real time insider alerts
Top Trade Alerts
Free insider trades intra-day
Special Screens Report
Free insider special screens report
Our Input Date Search is an excellent tool to examine the latest insider trades for new long and short investment ideas, but it is only available to paid subscribers.

Click Here to Subscribe

close window
Feature available to paying subscribers only. Subscriber output is also not separated on different pages, so that print outs and Excel downloads contain all of a search's information.

Click Here to Subscribe

close window

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
<<PREV
Page
12
 NEXT>>
click column headers to sort
#
View Form
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
    
 
ZACHARY JENNIFER
VP,GC
JB
$1,244,014
11,583
---
1/26/26
---
$107.40
68,916
20.2
D
---
1/28/26 - 4:19:55 pm
2
    
 
WILLIAMS DAVID MICHAEL
VP,IO
JB
$656,429
6,112
---
1/26/26
---
$107.40
30,838
24.7
D
---
1/28/26 - 4:18:18 pm
3
    
 
SMART DALTON E III
VP,FO,CT
JB
$114,488
1,066
---
1/26/26
---
$107.40
10,605
11.2
D
---
1/28/26 - 4:16:29 pm
4
    
 
ROMANELLI JOSEPH
PR,HR
JB
$612,502
5,703
---
1/26/26
---
$107.40
28,739
24.8
D
---
1/28/26 - 4:14:43 pm
5
    
 
OOSTHUIZEN JOHANNES JACOBUS
PR
JB
$539,792
5,026
---
1/26/26
---
$107.40
36,197
16.1
D
---
1/28/26 - 4:12:23 pm
6
    
 
LITCHFIELD CAROLINE
VP,CFO
JB
$1,702,505
15,852
---
1/26/26
---
$107.40
90,192
21.3
D
---
1/28/26 - 4:10:59 pm
7
    
 
LI DEAN Y
VP,PR
JB
$2,198,371
20,469
---
1/26/26
---
$107.40
102,270
25.0
D
---
1/28/26 - 4:09:26 pm
8
    
 
GUINDO CHIRFI
SO
JB
$1,059,501
9,865
---
1/26/26
---
$107.40
100,615
10.9
D
---
1/28/26 - 4:08:02 pm
9
    
 
DELUCA RICHARD R
VP,PR
JB
$1,317,154
12,264
---
1/26/26
---
$107.40
197,859
6.6
D
---
1/28/26 - 4:05:39 pm
10
    
 
DAVIS ROBERT M
CB,CEO,PR,DIR
JB
$5,094,412
47,434
---
1/26/26
---
$107.40
491,036
10.7
D
---
1/28/26 - 4:03:37 pm
11
    
 
CHATTOPADHYAY SANAT
VP,PR
JB
$1,490,712
13,880
---
1/26/26
---
$107.40
13,880
New
D
---
1/28/26 - 4:01:29 pm
12
    
 
DOWNING CRISTAL N
O
S
$616,395
7,085
---
11/10/25
---
$87.00
---
All
D
---
11/12/25 - 4:01:31 pm
13
    
 
WILLIAMS DAVID MICHAEL
VP,IO
S
$720,040
8,614
---
11/3/25
---
$83.59
24,578
-26.0
D
---
11/4/25 - 4:02:03 pm
14
    
 
WILLIAMS DAVID MICHAEL
VP,IO
JS
$668,573
8,432
---
8/4/25
---
$79.29
33,013
-20.3
D
R
8/5/25 - 8:46:15 am
15
    
 
WILLIAMS DAVID MICHAEL
VP,IO
JB
$1,357,366
17,119
---
8/4/25
---
$79.29
41,445
70.4
D
R
8/5/25 - 8:46:15 am
16
    
 
GUINDO CHIRFI
SO
JS
$1,441,096
18,175
---
8/4/25
---
$79.29
89,234
-16.9
D
R
8/5/25 - 8:43:24 am
17
    
 
GUINDO CHIRFI
SO
JB
$2,926,039
36,903
---
8/4/25
---
$79.29
107,409
52.3
D
R
8/5/25 - 8:43:24 am
18
    
 
LARSON BETTY D
VP,HR
JS
$436,511
5,153
---
4/30/25
---
$84.71
6,197
-45.4
D
R
5/2/25 - 4:12:31 pm
19
    
 
LARSON BETTY D
VP,HR
JB
$961,459
11,350
---
4/30/25
---
$84.71
11,350
New
D
R
5/2/25 - 4:12:31 pm
20
    
 
SMART DALTON E III
VP,FO,CT
OS
$352,723
4,262
---
4/25/25
---
$82.76
7,778
-35.4
D
---
4/29/25 - 4:04:40 pm
21
    
 
SMART DALTON E III
VP,FO,CT
OE
$290,400
5,000
---
4/25/25
---
$58.08
12,040
71.0
D
---
4/29/25 - 4:04:40 pm
22
    
 
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
23
    
 
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
24
    
 
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
25
    
 
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
26
9m
1
0%
-1%
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
27
    
 
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
28
9m
1
0%
-1%
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
29
    
 
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
30
    
 
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
31
    
 
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
32
    
 
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
33
    
 
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
34
    
 
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
35
    
 
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
36
    
 
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
37
    
 
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
38
    
 
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
39
    
 
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
40
    
 
KARSANBHAI SURENDRALAL LANCA
DIR
3
---
---
---
1/1/25
---
---
1
---
D
---
1/3/25 - 12:55:09 pm
41
    
 
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
42
    
 
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
43
    
 
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
44
    
 
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
45
    
 
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
46
    
 
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
47
    
 
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
48
    
 
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
49
    
 
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
50
    
 
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
<<PREV
Page
12
 NEXT>>
Subscribe Data Module Screens Alerts Newsletter Daily Ratings Reports Free Stuff
Home About FAQ Contact Disclaimer & Terms Of Use Privacy Transaction Codes
© 2026 InsiderInsights.com