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		2026-03-04 16:38:28117,185
0		117,185Form 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		2026-03-04 16:39:1467,122
4,502		71,624Form 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		2026-03-04 16:38:4437,557
5,737		43,294Form 4
18Cunningham Everett
SVP, Commercial		2019-03-25 16:36:3037,760
721		38,481Form 4
19Deppe Michael J
SVP, Corp. Controller & CAO		2026-03-04 16:37:1134,473
706		35,179Form 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
23SAMAD SAM
Executive Vice President & CFO		2026-03-04 16:39:0027,041
0		27,041Form 4
24MAIN TIMOTHY L
Director		2025-05-19 16:22:3126,297
0		26,297Form 4
25BUEHLER WILLIAM F
Director		2014-02-14 16:20:3426,225
0		26,225Form 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		2026-02-20 17:06:3117,104
0		17,104Form 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		2026-03-04 16:38:0915,198
0		15,198Form 4
32BONGIORNO THOMAS F
VP and Corporate Controller		2015-03-03 18:26:0111,837
3,165		15,002Form 4
33BRITELL JENNE K
Director		2018-06-06 17:12:130
14,479		14,479Form 4
34BALDWIN JOHN C MD
Director		2015-08-13 16:49:1012,949
0		12,949Form 4
35KUPPUSAMY KARTHIK
SVP, Clinical Solutions		2026-03-04 16:37:509,869
2,016		11,885Form 4
36MORRISON DENISE M
Director		2025-05-19 16:22:0010,742
0		10,742Form 4
37ORDONEZ KATHY
SVP, Diagnostic Solutions		2013-04-02 16:38:049,569
0		9,569Form 4
38Lassiter Wright III
Director		2026-02-20 17:08:279,057
0		9,057Form 4
39DELANEY MARK E
SVP & Chief Commercial Officer		2026-03-04 16:37:318,508
0		8,508Form 4
40Doi Tracey
Director		2025-05-19 16:23:036,490
0		6,490Form 4
41Klug Robert A
VP, Corporate Controller		2019-03-05 16:31:386,261
0		6,261Form 4
42Torley Helen
Director		2021-05-25 16:41:276,260
0		6,260Form 4
43LEIDEN JEFFREY M
Director		2018-05-30 16:38:206,000
0		6,000Form 4
44GARDNER MARK A
SVP of Molecular Gen & Oncol		2024-09-26 16:28:504,673
0		4,673Form 4
45Diaz Luis
Director		2025-05-19 16:24:094,054
0		4,054Form 4
46FLAHERTY JAMES F III
Director		2006-05-08 16:27:131,667
2,000		3,667Form 4
47GRANT WILLIAM R
Director		2007-04-03 16:23:293,622
0		3,622Form 4
48CIRILLO MARY A
Director		2004-04-05 16:04:092,707
0		2,707Form 4
49CARTER ROBERT B
Director		2026-02-20 17:07:042,704
0		2,704Form 4
50GLAXOSMITHKLINE PLC
Director
10% Owner		2011-02-02 13:55:590
0		0Form 4
51BRODY KENNETH D
Director		2004-04-28 17:33:490
0		0Form 4