Quest Diagnostics (DGX) insider trading

By person

33 insiders · 295 transactions

24.6×

James E. Davis holds 24.6 times base salary in stock. $30.76M of shares against $1.25M in salary for 2025.

Salary from the company's own proxy. The shares are what James E. Davis last reported holding, valued at $251.24, the price Common Stock was last bought or sold at on the open market here, on 3 Nov 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Stephen H Rusckowski

Director

—

$203.16M (33) scheduled

−$203.16M

389,597

0.3541%

$97.88M

+176.3%

Catherine T. Doherty

Executive Vice President

—

$66.24M (63) scheduled

−$66.24M

76,501

0.0695%

$19.22M

−5.9%

Michael E Prevoznik

SVP & General Counsel

—

$63.90M (55) scheduled

−$63.90M

42,337

0.0385%

$10.64M

−11.3%

J. E. Davis

CEO and President

—

$51.69M (41) scheduled

−$51.69M

122,423

0.1113%

$30.76M

+284.6%

Mark Guinan

Executive Vice President & CFO

—

$32.16M (8) scheduled

−$32.16M

98,981

0.0900%

$24.87M

+145.4%

Jon R Cohen

SVP & Group Exec. Diag. Sol.

—

$20.22M (13) scheduled

−$20.22M

31,757

0.0289%

$7.98M

−51.9%

Everett Cunningham

SVP, Commercial

—

$12.48M (11) scheduled

−$12.48M

38,311

0.0348%

$9.63M

+12.3%

Michael J Deppe

SVP, Corp. Controller & CAO

—

$6.97M (10) scheduled

−$6.97M

35,196

0.0320%

$8.84M

+45.0%

Daniel Stanzione

Director

—

$6.25M (5) scheduled

−$6.25M

28,349

0.0258%

$7.12M

−14.4%

Karthik Kuppusamy

SVP, Clinical Solutions

—

$5.19M (9) scheduled

−$5.19M

15,674

0.0142%

$3.94M

+48.1%

Patrick Plewman

SVP for Diagnostic Services

—

$4.60M (10) scheduled

−$4.60M

15,334

0.0139%

$3.85M

+64.4%

Gary M Pfeiffer

Director

—

$4.19M (8) scheduled

−$4.19M

29,802

0.0271%

$7.49M

+12.6%

Gail R Wilensky

Director

—

$4.03M (5) scheduled

−$4.03M

20,506

0.0186%

$5.15M

+104.8%

Timothy M Ring

Director

—

$3.00M (7) scheduled

−$3.00M

31,140

0.0283%

$7.82M

+85.1%

Mark E Delaney

SVP & Chief Commercial Officer

—

$2.30M (6) scheduled

−$2.30M

12,975

0.0118%

$3.26M

+649.6%

Vicky B Gregg

Director

—

$762.01K (3)

−$762.01K

18,449

0.0168%

$4.64M

+138.5%

Jenne K Britell

Director

—

$635.73K (1) scheduled

−$635.73K

14,479

0.0132%

$3.64M

−27.5%

Manner Carrie Eglinton

SVP, Advanced Diagnostics

—

$555.08K (2)

−$555.08K

48,391

0.0440%

$12.16M

+172.6%

Jeffrey M Leiden

Director

—

$346.98K (3)

−$346.98K

6,000

0.0055%

$1.51M

−0.4%

John B Ziegler

Director

—

$191.02K (1)

−$191.02K

16,557

0.0150%

$4.16M

−10.8%

Robert A Klug

VP, Corporate Controller

—

$119.93K (1)

−$119.93K

6,261

0.0057%

$1.57M

+56.6%

Sam Samad

Executive Vice President & CFO

—

33,568

0.0305%

$8.43M

+114.2%

Manuel O. Mendez

SVP & Chief Commercial Officer

—

29,045

0.0264%

$7.30M

+17.3%

Timothy L Main

Director

—

27,478

0.0250%

$6.90M

+109.5%

Denise M Morrison

Director

—

11,929

0.0108%

$3.00M

+3,398%

Wright Lassiter III

Director

—

10,329

0.0094%

$2.60M

+1,731%

Tracey Doi

Director

—

7,748

0.0070%

$1.95M

+2,083%

Helen Torley

Director

—

6,260

0.0057%

$1.57M

—

Luis Diaz

Director

—

5,196

0.0047%

$1.31M

—

Mark A Gardner

SVP of Molecular Gen & Oncol

—

4,673

0.0042%

$1.17M

+366.4%

Robert B Carter

Director

—

3,874

0.0035%

$973.30K

—

Subu Ramachandran

SVP, Regional Businesses

—

2,832

0.0026%

$711.51K

+14.2%

Timothy C Wentworth

Director

—

1,358

0.0012%

$341.18K

+135,700%

Quest Diagnostics

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