QUEST DIAGNOSTICS INC (DGX) - Insider Holders & Insider Ownership

List of insiders holdings for QUEST DIAGNOSTICS INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1RUSCKOWSKI STEPHEN H
Director		2023-03-08 16:29:53389,597
0		389,597Form 4
2MOHAPATRA SURYA N
Chairman, President & CEO		2012-05-02 16:24:07243,713
10,813		254,526Form 4
3FREEMAN KENNETH W
Chairman of the Board		2004-12-14 17:52:53216,187
2,109		218,296Form 4
4HAGEMANN ROBERT
SVP & Chief Financial Officer		2013-03-07 16:30:46126,722
35,798		162,520Form 4
5Davis J. E.
CEO and President		2025-11-28 16:30:50120,480
0		120,480Form 4
6ZEWE DAVID M
SVP, Diagnostic Testing Ops		2007-02-13 19:40:4694,448
4,970		99,418Form 4
7GUINAN MARK
Executive Vice President & CFO		2022-03-09 16:48:3098,981
0		98,981Form 4
8Miller Joan Elizabeth
SVP-Oncology & Neurology Srvcs		2012-03-02 16:48:5189,232
1,047		90,279Form 4
9Doherty Catherine T.
EVP, Regional Businesses		2025-03-07 19:23:1868,068
4,427		72,495Form 4
10Peters Robert E
VP, Sales & Marketing		2007-02-13 19:35:2563,118
1,882		65,000Form 4
11Simmons Wayne R.
Vice President, Operations		2011-06-20 16:31:3463,150
602		63,752Form 4
12Mendez Manuel O.
SVP & Chief Commercial Officer		2021-02-22 16:50:2856,678
0		56,678Form 4
13MARRONE GERALD C
SVP, Administration		2004-03-02 18:48:4649,609
2,440		52,049Form 4
14GRANT THOMAS W II
Sr VP, Ins. & Employer Serv.		2007-02-13 19:25:4551,460
0		51,460Form 4
15Cohen Jon R
SVP & Group Exec. Diag. Sol.		2018-03-12 16:33:5351,221
0		51,221Form 4
16EGLINTON MANNER CARRIE
SVP, Advanced Diagnostics		2022-03-09 16:44:4248,391
0		48,391Form 4
17PREVOZNIK MICHAEL E
SVP & General Counsel		2025-09-30 16:36:5838,117
5,692		43,809Form 4
18Cunningham Everett
SVP, Commercial		2019-03-25 16:36:3037,760
721		38,481Form 4
19DEPPE MICHAEL J
SVP, Corp. Controller & CAO		2025-03-05 16:38:3334,365
694		35,059Form 4
20WILENSKY GAIL R
Director		2023-05-19 18:17:4420,506
13,375		33,881Form 4
21PFEIFFER GARY M
Director		2025-10-24 18:10:5429,431
0		29,431Form 4
22STANZIONE DANIEL
Director		2020-11-24 16:31:0828,349
0		28,349Form 4
23MAIN TIMOTHY L
Director		2025-05-19 16:22:3126,297
0		26,297Form 4
24BUEHLER WILLIAM F
Director		2014-02-14 16:20:3426,225
0		26,225Form 4
25SAMAD SAM
Executive Vice President & CFO		2025-10-24 18:11:4225,741
0		25,741Form 4
26Haydon John B.
SVP, Operations		2014-02-18 20:11:0225,366
0		25,366Form 4
27HAGGERTY ROSANNE
Director		2010-05-10 16:15:3717,334
0		17,334Form 4
28Gregg Vicky B
Director		2025-11-28 16:30:3117,037
0		17,037Form 4
29RING TIMOTHY M
Director		2025-10-03 16:32:4017,036
0		17,036Form 4
30ZIEGLER JOHN B
Director		2017-02-24 16:32:2316,557
0		16,557Form 4
31Plewman Patrick
SVP for Diagnostic Services		2025-10-24 18:11:2715,333
0		15,333Form 4
32DELANEY MARK E
SVP & Chief Commercial Officer		2025-11-20 16:28:1015,014
0		15,014Form 4
33BONGIORNO THOMAS F
VP and Corporate Controller		2015-03-03 18:26:0111,837
3,165		15,002Form 4
34BRITELL JENNE K
Director		2018-06-06 17:12:130
14,479		14,479Form 4
35BALDWIN JOHN C MD
Director		2015-08-13 16:49:1012,949
0		12,949Form 4
36MORRISON DENISE M
Director		2025-05-19 16:22:0010,742
0		10,742Form 4
37KUPPUSAMY KARTHIK
SVP, Clinical Solutions		2025-10-24 18:11:118,379
1,993		10,372Form 4
38ORDONEZ KATHY
SVP, Diagnostic Solutions		2013-04-02 16:38:049,569
0		9,569Form 4
39Doi Tracey
Director		2025-05-19 16:23:036,490
0		6,490Form 4
40Klug Robert A
VP, Corporate Controller		2019-03-05 16:31:386,261
0		6,261Form 4
41Torley Helen
Director		2021-05-25 16:41:276,260
0		6,260Form 4
42LEIDEN JEFFREY M
Director		2018-05-30 16:38:206,000
0		6,000Form 4
43GARDNER MARK A
SVP of Molecular Gen & Oncol		2024-09-26 16:28:504,673
0		4,673Form 4
44Diaz Luis
Director		2025-05-19 16:24:094,054
0		4,054Form 4
45FLAHERTY JAMES F III
Director		2006-05-08 16:27:131,667
2,000		3,667Form 4
46GRANT WILLIAM R
Director		2007-04-03 16:23:293,622
0		3,622Form 4
47CIRILLO MARY A
Director		2004-04-05 16:04:092,707
0		2,707Form 4
48CARTER ROBERT B
Director		2025-10-24 18:09:222,698
0		2,698Form 4
49Lassiter Wright III
Director		2025-10-03 16:32:18678.78
0		678.78Form 4
50BRODY KENNETH D
Director		2004-04-28 17:33:490
0		0Form 4
51GLAXOSMITHKLINE PLC
Director
10% Owner		2011-02-02 13:55:590
0		0Form 4