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 S  AS  JS*  OS  OS*  3
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 JS
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Detailed Insider History for:
QUEST DIAGNOSTICS INC: DGX
Price: 3/6/26 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
$199.21 $213.50 $157.20 $22,161 110 1,006 1.7% 5.0% 100.16% 0.40%
Exch Sector Industry Sub-Industry
NYSE Services Health Services Services- Medical Laboratories
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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
1y
35
34%
9%
1
DOHERTY CATHERINE T
VP
AS
$1,146,115
5,558
---
3/5/26
---
$206.21
67,122
-7.6
D
10b
3/6/26 - 4:45:04 pm
2
1y
63
35%
7%
1
PREVOZNIK MICHAEL E
VP,GC
AS
$799,682
3,878
---
3/5/26
---
$206.21
37,557
-9.4
D
10b
3/6/26 - 4:44:30 pm
3
    
 
PLEWMAN PATRICK
VP
AS
$588,730
2,855
---
3/5/26
---
$206.21
15,198
-15.8
D
10b
3/6/26 - 4:44:00 pm
4
    
 
SAMAD SAM
VP,CFO
JS
$1,581,519
7,720
---
3/4/26
---
$204.86
33,268
-18.8
D
---
3/6/26 - 4:45:16 pm
5
    
 
SAMAD SAM
VP,CFO
JB
$2,857,183
13,947
---
3/4/26
---
$204.86
40,988
51.6
D
---
3/6/26 - 4:45:16 pm
6
    
 
DOHERTY CATHERINE T
VP
JS
$1,189,417
5,806
---
3/4/26
---
$204.86
72,680
-7.4
D
10b
3/6/26 - 4:45:04 pm
7
    
 
DOHERTY CATHERINE T
VP
JB
$2,328,029
11,364
---
3/4/26
---
$204.86
78,486
16.9
D
10b
3/6/26 - 4:45:04 pm
8
    
 
DELANEY MARK E
VP
JS
$476,504
2,326
---
3/4/26
---
$204.86
11,864
-16.4
D
---
3/6/26 - 4:44:45 pm
9
    
 
DELANEY MARK E
VP
JB
$1,164,015
5,682
---
3/4/26
---
$204.86
14,190
66.8
D
---
3/6/26 - 4:44:45 pm
10
    
 
PREVOZNIK MICHAEL E
VP,GC
JS
$687,100
3,354
---
3/4/26
---
$204.86
41,435
-7.5
D
10b
3/6/26 - 4:44:30 pm
11
    
 
PREVOZNIK MICHAEL E
VP,GC
JB
$1,481,548
7,232
---
3/4/26
---
$204.86
44,789
19.3
D
10b
3/6/26 - 4:44:30 pm
12
    
 
DAVIS J E
CEO,PR,DIR
JS
$5,411,172
26,414
---
3/4/26
---
$204.86
142,423
-15.6
D
---
3/6/26 - 4:44:18 pm
13
    
 
DAVIS J E
CEO,PR,DIR
JB
$10,581,429
51,652
---
3/4/26
---
$204.86
168,837
44.1
D
---
3/6/26 - 4:44:18 pm
14
    
 
PLEWMAN PATRICK
VP
JS
$579,139
2,827
---
3/4/26
---
$204.86
18,053
-13.5
D
10b
3/6/26 - 4:44:00 pm
15
    
 
PLEWMAN PATRICK
VP
JB
$1,164,015
5,682
---
3/4/26
---
$204.86
20,880
37.4
D
10b
3/6/26 - 4:44:00 pm
16
    
 
DEPPE MICHAEL J
VP,CT,CAO
JS
$153,645
750
---
3/4/26
---
$204.86
35,196
-2.1
D
---
3/6/26 - 4:43:41 pm
17
    
 
DEPPE MICHAEL J
VP,CT,CAO
JB
$301,759
1,473
---
3/4/26
---
$204.86
35,946
4.3
D
---
3/6/26 - 4:43:41 pm
18
    
 
KUPPUSAMY KARTHIK
VP
JS*
$538,372
2,628
---
3/4/26
---
$204.86
13,441
-16.4
D
---
3/6/26 - 4:43:21 pm
19
    
 
KUPPUSAMY KARTHIK
VP
JB
$1,270,132
6,200
---
3/4/26
---
$204.86
16,069
62.8
D
---
3/6/26 - 4:43:21 pm
20
1y
35
34%
9%
1
DOHERTY CATHERINE T
VP
AS
$131,285
632
---
3/3/26
---
$207.73
67,122
-0.9
D
R,10b
3/4/26 - 4:39:14 pm
21
1y
63
35%
7%
1
PREVOZNIK MICHAEL E
VP,GC
AS
$109,266
526
---
3/3/26
---
$207.73
37,557
-1.4
D
R,10b
3/4/26 - 4:38:44 pm
22
    
 
PLEWMAN PATRICK
VP
AS
$85,169
410
---
3/3/26
---
$207.73
15,198
-2.6
D
R,10b
3/4/26 - 4:38:09 pm
23
    
 
DOHERTY CATHERINE T
VP
JS
$132,749
648
---
3/2/26
---
$204.86
67,754
-0.9
D
R,10b
3/4/26 - 4:39:14 pm
24
    
 
SAMAD SAM
VP,CFO
JS
$178,023
869
---
3/2/26
---
$204.86
27,041
-3.1
D
R
3/4/26 - 4:39:00 pm
25
    
 
PREVOZNIK MICHAEL E
VP,GC
JS
$59,000
288
---
3/2/26
---
$204.86
38,083
-0.8
D
R,10b
3/4/26 - 4:38:44 pm
26
    
 
DAVIS J E
CEO,PR,DIR
JS
$608,025
2,968
---
3/2/26
---
$204.86
127,185
-2.3
D
R,10b
3/4/26 - 4:38:28 pm
27
1y
10
50%
1%
1
DAVIS J E
CEO,PR,DIR
AS
$2,125,200
10,000
---
3/2/26
---
$212.52
117,185
-7.9
D
R,10b
3/4/26 - 4:38:28 pm
28
    
 
PLEWMAN PATRICK
VP
JS
$47,118
230
---
3/2/26
---
$204.86
15,608
-1.5
D
R,10b
3/4/26 - 4:38:09 pm
29
    
 
KUPPUSAMY KARTHIK
VP
JS
$41,996
205
---
3/2/26
---
$204.86
9,869
-2.0
D
R
3/4/26 - 4:37:50 pm
30
    
 
DELANEY MARK E
VP
JS
$38,514
188
---
3/2/26
---
$204.86
8,508
-2.2
D
R
3/4/26 - 4:37:31 pm
31
    
 
DEPPE MICHAEL J
VP,CT,CAO
JS
$18,028
88
---
3/2/26
---
$204.86
34,473
-0.3
D
R
3/4/26 - 4:37:11 pm
32
    
 
PLEWMAN PATRICK
VP
AS
$196,227
958
---
2/19/26
---
$204.83
15,838
-5.7
D
R,10b
2/20/26 - 5:13:11 pm
33
1y
63
35%
7%
1
PREVOZNIK MICHAEL E
VP,GC
AS
$227,566
1,111
---
2/19/26
---
$204.83
38,371
-2.8
D
R,10b
2/20/26 - 5:12:09 pm
34
1y
35
34%
9%
1
DOHERTY CATHERINE T
VP
AS
$293,521
1,433
---
2/19/26
---
$204.83
68,402
-2.1
D
R,10b
2/20/26 - 5:11:15 pm
35
    
 
PLEWMAN PATRICK
VP
JS
$111,891
537
---
2/18/26
---
$206.99
16,796
-3.1
D
R,10b
2/20/26 - 5:13:11 pm
36
    
 
PLEWMAN PATRICK
VP
JB
---
1,952
---
2/18/26
---
---
17,333
12.7
D
R,10b
2/20/26 - 5:13:11 pm
37
    
 
SAMAD SAM
VP,CFO
JS
$388,618
1,865
---
2/18/26
---
$206.99
27,841
-6.3
D
R
2/20/26 - 5:12:39 pm
38
    
 
SAMAD SAM
VP,CFO
JB
$12,662
4,034
1/28/26
2/18/26
---
$183.51
29,706
15.7
D
R
2/20/26 - 5:12:39 pm
39
    
 
PREVOZNIK MICHAEL E
VP,GC
JS
$135,039
648
---
2/18/26
---
$206.99
39,482
-1.6
D
R,10b
2/20/26 - 5:12:09 pm
40
    
 
PREVOZNIK MICHAEL E
VP,GC
JB
---
2,013
---
2/18/26
---
---
40,130
5.3
D
R,10b
2/20/26 - 5:12:09 pm
41
    
 
DAVIS J E
CEO,PR,DIR
JS
$1,287,262
6,184
---
2/18/26
---
$206.99
130,153
-4.5
D
R
2/20/26 - 5:11:48 pm
42
    
 
DAVIS J E
CEO,PR,DIR
JB
---
15,857
---
2/18/26
---
---
136,337
13.2
D
R
2/20/26 - 5:11:48 pm
43
    
 
DOHERTY CATHERINE T
VP
JS
$241,623
1,161
---
2/18/26
---
$206.99
69,835
-1.6
D
R,10b
2/20/26 - 5:11:15 pm
44
    
 
DOHERTY CATHERINE T
VP
JB
---
2,928
---
2/18/26
---
---
70,996
4.3
D
R,10b
2/20/26 - 5:11:15 pm
45
    
 
KUPPUSAMY KARTHIK
VP
JS
$106,533
511
---
2/18/26
---
$206.99
7,914
-6.1
D
R
2/20/26 - 5:10:45 pm
46
    
 
KUPPUSAMY KARTHIK
VP
JB
---
2,135
---
2/18/26
---
---
10,049
27.0
D
R
2/20/26 - 5:10:45 pm
47
    
 
DELANEY MARK E
VP
JS
$90,660
435
---
2/18/26
---
$206.99
8,681
-4.8
D
R
2/20/26 - 5:10:00 pm
48
    
 
DELANEY MARK E
VP
JB
---
1,586
---
2/18/26
---
---
9,116
21.1
D
R
2/20/26 - 5:10:00 pm
49
    
 
DEPPE MICHAEL J
VP,CT,CAO
JS
$37,923
182
---
2/18/26
---
$206.99
34,560
-0.5
D
R
2/20/26 - 5:09:22 pm
50
    
 
DEPPE MICHAEL J
VP,CT,CAO
JB
---
366
---
2/18/26
---
---
34,742
1.1
D
R
2/20/26 - 5:09:22 pm
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