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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:
QUEST DIAGNOSTICS INC: DGX
Price: 2/14/25 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
$168.77 $171.30 $123.30 $18,668 111 901 1.9% 2.7% 93.16% 0.88%
Exch Sector Industry Sub-Industry
NYSE Services Health Services Services- Medical Laboratories
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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
1y
57
39%
5%
1
PREVOZNIK MICHAEL E
VP,GC
AS
$103,278
604
---
2/20/25
---
$170.99
39,845
-1.5
D
R,10b
2/21/25 - 4:44:31 pm
2
1y
29
41%
6%
1
DOHERTY CATHERINE T
VP
AS
$244,515
1,434
2/19/25
2/20/25
$169.71
$170.99
70,457
-2.0
D
R,10b
2/21/25 - 4:41:05 pm
3
    
 
SAMAD SAM
VP,CFO
JS
$174,971
1,031
---
2/19/25
---
$169.71
21,046
-4.7
D
R
2/21/25 - 4:45:59 pm
4
    
 
PREVOZNIK MICHAEL E
VP,GC
JS
$63,472
374
---
2/19/25
---
$169.71
40,449
-0.9
D
R,10b
2/21/25 - 4:44:31 pm
5
    
 
PLEWMAN PATRICK
VP
S
$54,307
320
---
2/19/25
---
$169.71
18,082
-1.7
D
R
2/21/25 - 4:43:14 pm
6
    
 
KUPPUSAMY KARTHIK
VP
JS
$48,707
287
---
2/19/25
---
$169.71
11,779
-2.4
D
R
2/21/25 - 4:42:12 pm
7
    
 
DEPPE MICHAEL J
VP,CT,CAO
JS
$16,801
99
---
2/19/25
---
$169.71
35,300
-0.3
D
R
2/21/25 - 4:39:39 pm
8
    
 
DELANEY MARK E
VP
JS
$41,070
242
---
2/19/25
---
$169.71
6,197
-3.8
D
R
2/21/25 - 4:37:53 pm
9
    
 
DAVIS J E
CEO,PR,DIR
JS
$498,269
2,936
---
2/19/25
---
$169.71
141,181
-2.0
D
R
2/21/25 - 4:36:48 pm
10
    
 
DAVIS J E
CEO,PR,DIR
JB
---
18,149
---
2/12/25
---
---
144,117
14.4
D
R
2/14/25 - 5:30:28 pm
11
    
 
SAMAD SAM
VP,CFO
JB
---
4,538
---
2/12/25
---
---
22,077
25.9
D
R
2/14/25 - 5:29:57 pm
12
    
 
PREVOZNIK MICHAEL E
VP,GC
JB
---
2,345
---
2/12/25
---
---
40,823
6.1
D
R
2/14/25 - 5:29:19 pm
13
    
 
PLEWMAN PATRICK
VP
JB
---
2,042
---
2/12/25
---
---
18,402
12.5
D
R
2/14/25 - 5:28:37 pm
14
    
 
KUPPUSAMY KARTHIK
VP
JB
---
2,269
---
2/12/25
---
---
12,066
23.2
D
R
2/14/25 - 5:28:01 pm
15
    
 
DOHERTY CATHERINE T
VP
JB
---
3,479
---
2/12/25
---
---
71,891
5.1
D
R
2/14/25 - 5:27:28 pm
16
    
 
DELANEY MARK E
VP
JB
---
1,815
---
2/12/25
---
---
6,439
39.3
D
R
2/14/25 - 5:26:55 pm
17
    
 
DEPPE MICHAEL J
VP,CT,CAO
JB
---
454
---
2/12/25
---
---
35,399
1.3
D
R
2/14/25 - 5:26:10 pm
18
    
 
GREGG VICKY B
DIR
S
$205,710
1,250
---
2/5/25
---
$164.57
16,867
-6.9
D
---
2/7/25 - 4:37:32 pm
19
    
 
DELANEY MARK E
VP
S
$66,214
403
---
2/5/25
---
$164.30
4,624
-8.0
D
---
2/7/25 - 4:36:19 pm
20
    
 
GREGG VICKY B
DIR
JB*
$11,379
72
---
1/29/25
---
$158.04
18,117
0.4
D
---
1/31/25 - 4:31:19 pm
21
6m
1
100%
7%
2
SAMAD SAM
VP,CFO
JB*
$5,531
35
---
1/29/25
---
$158.04
17,539
0.2
D
---
1/31/25 - 4:30:45 pm
22
    
 
PLEWMAN PATRICK
VP
JB*
$9,008
57
---
1/29/25
---
$158.04
16,345
0.3
D
---
1/31/25 - 4:30:14 pm
23
    
 
KUPPUSAMY KARTHIK
VP
JB*
$1,896
12
---
1/29/25
---
$158.03
9,780
0.1
D
---
1/31/25 - 4:29:35 pm
24
    
 
DELANEY MARK E
VP
JB*
$632
4
---
1/29/25
---
$158.03
5,027
0.1
D
---
1/31/25 - 4:28:55 pm
25
1y
57
39%
5%
1
PREVOZNIK MICHAEL E
VP,GC
OS
$5,731,302
35,146
---
11/29/24
$162.26
$163.15
38,478
-47.7
D
10b
12/2/24 - 4:43:18 pm
26
    
 
PREVOZNIK MICHAEL E
VP,GC
OE
$3,044,698
35,146
---
11/29/24
---
$86.63
73,624
91.3
D
10b
12/2/24 - 4:43:18 pm
27
1y
29
41%
6%
1
DOHERTY CATHERINE T
VP
OS
$5,395,485
33,103
---
11/27/24
$162.14
$163.13
68,412
-32.6
D
10b
12/2/24 - 4:41:59 pm
28
    
 
DOHERTY CATHERINE T
VP
OE
$3,428,478
33,103
---
11/27/24
---
$103.57
101,515
48.4
D
10b
12/2/24 - 4:41:59 pm
29
1y
3
33%
4%
1
DEPPE MICHAEL J
VP,CT,CAO
OS
$2,889,123
18,755
---
11/6/24
$152.70
$154.74
34,941
-34.9
D
10b
11/7/24 - 5:21:47 pm
30
    
 
DEPPE MICHAEL J
VP,CT,CAO
OE
$1,287,634
18,755
---
11/6/24
---
$66.51
53,696
53.7
D
10b
11/7/24 - 5:21:47 pm
31
    
 
KUPPUSAMY KARTHIK
VP
S
$278,525
1,775
---
10/28/24
---
$156.92
9,734
-15.4
D
---
10/30/24 - 4:26:21 pm
32
    
 
GREGG VICKY B
DIR
JB*
$11,352
76
---
10/21/24
---
$149.37
18,045
0.4
D
---
10/25/24 - 4:27:50 pm
33
    
 
KUPPUSAMY KARTHIK
VP
JB*
$3,137
21
---
10/21/24
---
$149.37
11,509
0.2
D
---
10/25/24 - 4:25:52 pm
34
    
 
PLEWMAN PATRICK
VP
JB*
$8,962
60
---
10/21/24
---
$149.37
16,258
0.4
D
---
10/25/24 - 4:25:14 pm
35
    
 
GARDNER MARK A
VP
JS
$18,684
120
---
9/24/24
---
$155.70
4,673
-2.5
D
R
9/26/24 - 4:28:50 pm
36
1y
57
39%
5%
1
PREVOZNIK MICHAEL E
VP,GC
OS
$5,044,517
32,551
---
8/29/24
---
$154.97
38,478
-45.8
D
---
9/3/24 - 4:30:57 pm
37
    
 
PREVOZNIK MICHAEL E
VP,GC
OE
$3,118,223
32,551
---
8/29/24
---
$95.80
71,029
84.6
D
---
9/3/24 - 4:30:57 pm
38
    
 
KUPPUSAMY KARTHIK
VP
JS*
$304,990
1,990
---
8/28/24
---
$153.26
11,459
-14.8
D
---
8/29/24 - 4:45:20 pm
39
    
 
KUPPUSAMY KARTHIK
VP
JS
$11,060
74
---
8/14/24
---
$149.46
13,449
-0.5
D
R
8/16/24 - 5:01:27 pm
40
    
 
DELANEY MARK E
VP
JS*
$60,094
420
---
7/24/24
---
$143.08
5,019
-7.7
D
---
7/26/24 - 6:33:35 pm
41
    
 
DELANEY MARK E
VP
JB*
$882
6
---
7/22/24
---
$146.98
5,439
0.1
D
---
7/26/24 - 6:33:35 pm
42
6m
1
100%
7%
2
SAMAD SAM
VP,CFO
JB*
$3,086
21
---
7/22/24
---
$146.97
17,467
0.1
D
---
7/26/24 - 6:32:55 pm
43
    
 
KUPPUSAMY KARTHIK
VP
JB*
$4,556
31
---
7/22/24
---
$146.97
13,511
0.2
D
---
7/26/24 - 6:32:23 pm
44
    
 
PLEWMAN PATRICK
VP
JB*
$8,818
60
---
7/22/24
---
$146.97
16,162
0.4
D
---
7/26/24 - 6:31:38 pm
45
    
 
GREGG VICKY B
DIR
JB*
$11,317
77
---
7/22/24
---
$146.97
17,969
0.4
D
---
7/26/24 - 6:30:21 pm
46
    
 
SAMAD SAM
VP,CFO
JS
$557,762
3,910
---
7/16/24
---
$142.65
17,446
-18.3
D
R
7/18/24 - 4:31:48 pm
47
    
 
CARTER ROBERT B
DIR
JB
---
1,482
---
5/16/24
---
---
1,482
New
D
R
5/20/24 - 7:24:43 pm
48
    
 
PFEIFFER GARY M
DIR
JB
---
1,482
---
5/16/24
---
---
28,916
5.4
D
R
5/20/24 - 7:22:54 pm
49
    
 
RING TIMOTHY M
DIR
JB
---
1,482
---
5/16/24
---
---
27,798
5.6
D
R
5/20/24 - 7:21:40 pm
50
    
 
MAIN TIMOTHY L
DIR
JB
---
1,482
---
5/16/24
---
---
25,094
6.3
D
R
5/20/24 - 7:20:33 pm
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