Quest Diagnostics

By person

32 insiders · 287 transactions

23.7×

James E. Davis holds 23.7 times base salary in stock. $29.71M 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 $242.72, the price Common Stock was last bought or sold at on the open market here, on 1 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

RUSCKOWSKI STEPHEN H

Director

—

$203.16M (33) scheduled

−$203.16M

389,597

0.3530%

$94.56M

+176.3%

PREVOZNIK MICHAEL E

SVP & General Counsel

—

$63.90M (55) scheduled

−$63.90M

42,337

0.0384%

$10.28M

−11.3%

Doherty Catherine T.

EVP, Regional Businesses

—

$60.76M (56) scheduled

−$60.76M

67,122

0.0608%

$16.29M

−12.5%

Davis J. E.

CEO and President

—

$51.69M (41) scheduled

−$51.69M

122,423

0.1109%

$29.71M

+284.6%

GUINAN MARK

Executive Vice President & CFO

—

$32.16M (8) scheduled

−$32.16M

98,981

0.0897%

$24.02M

+145.4%

Cohen Jon R

SVP & Group Exec. Diag. Sol.

—

$20.22M (13) scheduled

−$20.22M

31,757

0.0288%

$7.71M

−51.9%

Cunningham Everett

SVP, Commercial

—

$12.48M (11) scheduled

−$12.48M

38,311

0.0347%

$9.30M

+12.3%

Deppe Michael J

SVP, Corp. Controller & CAO

—

$6.97M (10) scheduled

−$6.97M

35,196

0.0319%

$8.54M

+45.0%

STANZIONE DANIEL

Director

—

$6.25M (5) scheduled

−$6.25M

28,349

0.0257%

$6.88M

−14.4%

KUPPUSAMY KARTHIK

SVP, Clinical Solutions

—

$5.19M (9) scheduled

−$5.19M

13,557

0.0123%

$3.29M

+59.5%

Plewman Patrick

SVP for Diagnostic Services

—

$4.60M (10) scheduled

−$4.60M

15,293

0.0139%

$3.71M

+64.0%

WILENSKY GAIL R

Director

—

$4.03M (5) scheduled

−$4.03M

20,506

0.0186%

$4.98M

+104.8%

PFEIFFER GARY M

Director

—

$3.90M (7) scheduled

−$3.90M

31,005

0.0281%

$7.53M

+17.1%

RING TIMOTHY M

Director

—

$3.00M (7) scheduled

−$3.00M

31,140

0.0282%

$7.56M

+85.1%

DELANEY MARK E

SVP & Chief Commercial Officer

—

$2.30M (6) scheduled

−$2.30M

10,335

0.0094%

$2.51M

+497.1%

Gregg Vicky B

Director

—

$762.01K (3)

−$762.01K

18,386

0.0167%

$4.46M

+137.7%

BRITELL JENNE K

Director

—

$635.73K (1) scheduled

−$635.73K

14,479

0.0131%

$3.51M

−27.5%

EGLINTON MANNER CARRIE

SVP, Advanced Diagnostics

—

$555.08K (2)

−$555.08K

48,391

0.0438%

$11.75M

+172.6%

LEIDEN JEFFREY M

Director

—

$346.98K (3)

−$346.98K

6,000

0.0054%

$1.46M

−0.4%

ZIEGLER JOHN B

Director

—

$191.02K (1)

−$191.02K

16,557

0.0150%

$4.02M

−10.8%

Klug Robert A

VP, Corporate Controller

—

$119.93K (1)

−$119.93K

6,261

0.0057%

$1.52M

+60.2%

SAMAD SAM

Executive Vice President & CFO

—

33,478

0.0303%

$8.13M

+113.6%

Mendez Manuel O.

SVP & Chief Commercial Officer

—

29,045

0.0263%

$7.05M

+17.3%

MAIN TIMOTHY L

Director

—

22,460

0.0203%

$5.45M

+176.7%

MORRISON DENISE M

Director

—

11,929

0.0108%

$2.90M

+3,398%

Lassiter Wright III

Director

—

10,323

0.0094%

$2.51M

+1,730%

Doi Tracey

Director

—

7,748

0.0070%

$1.88M

+2,083%

Torley Helen

Director

—

6,260

0.0057%

$1.52M

—

Diaz Luis

Director

—

5,196

0.0047%

$1.26M

—

GARDNER MARK A

SVP of Molecular Gen & Oncol

—

4,673

0.0042%

$1.13M

+366.4%

CARTER ROBERT B

Director

—

3,864

0.0035%

$937.87K

—

WENTWORTH TIMOTHY C

Director

—

1,358

0.0012%

$329.61K

+135,700%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Davis J. E.

1 Sep 2026

CEO and President

Sold on a plan

10,000

$242.72

$2.43M

DELANEY MARK E

28 Jul 2026

SVP & Chief Commercial Officer

Sold on a plan

1,600

$235.18

$376.29K

Davis J. E.

1 Jun 2026

CEO and President

Sold on a plan

10,000

$194.14

$1.94M

Plewman Patrick

5 Mar 2026

SVP for Diagnostic Services

Sold on a plan

2,855

$206.21

$588.73K

PREVOZNIK MICHAEL E

5 Mar 2026

SVP & General Counsel

Sold on a plan

3,878

$206.21

$799.68K

Doherty Catherine T.

5 Mar 2026

EVP, Regional Businesses

Sold on a plan

5,558

$206.21

$1.15M

Plewman Patrick

3 Mar 2026

SVP for Diagnostic Services

Sold on a plan

410

$207.73

$85.17K

PREVOZNIK MICHAEL E

3 Mar 2026

SVP & General Counsel

Sold on a plan

526

$207.73

$109.27K

Doherty Catherine T.

3 Mar 2026

EVP, Regional Businesses

Sold on a plan

632

$207.73

$131.29K

Davis J. E.

2 Mar 2026

CEO and President

Sold on a plan

10,000

$212.52

$2.13M

Doherty Catherine T.

19 Feb 2026

EVP, Regional Businesses

Sold on a plan

1,433

$204.83

$293.52K

PREVOZNIK MICHAEL E

19 Feb 2026

SVP & General Counsel

Sold on a plan

1,111

$204.83

$227.57K

Plewman Patrick

19 Feb 2026

SVP for Diagnostic Services

Sold on a plan

958

$204.83

$196.23K

Plewman Patrick

21 Aug 2025

SVP for Diagnostic Services

Sold on a plan

1,975

$185.00

$365.38K

Plewman Patrick

15 Aug 2025

SVP for Diagnostic Services

Sold on a plan

1,975

$180.00

$355.50K

KUPPUSAMY KARTHIK

31 Jul 2025

SVP, Clinical Solutions

Sold on a plan

2,210

$170.00

$375.70K

DELANEY MARK E

13 May 2025

SVP & Chief Commercial Officer

Sold on a plan

874

$175.31

$153.22K

DELANEY MARK E

12 May 2025

SVP & Chief Commercial Officer

Sold on a plan

874

$175.72

$153.58K

KUPPUSAMY KARTHIK

2 Apr 2025

SVP, Clinical Solutions

Sold on a plan

2,555

$170.00

$434.35K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

453

$169.63

$76.84K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

902

$168.79

$152.25K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

1,493

$167.88

$250.64K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

267

$169.60

$45.28K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

584

$168.70

$98.52K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

750

$167.86

$125.90K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

2,493

$169.57

$422.74K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

5,900

$168.66

$995.12K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

6,950

$167.86

$1.17M

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

2,764

$169.56

$468.66K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

4,905

$168.72

$827.56K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

7,249

$167.86

$1.22M

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

704

$169.63

$119.42K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

1,411

$168.76

$238.11K

Davis J. E.

2 Apr 2025

CEO and President

Sold on a plan

2,366

$168.03

$397.55K

PREVOZNIK MICHAEL E

17 Mar 2025

SVP & General Counsel

Sold on a plan

4,643

$170.00

$789.31K

Doherty Catherine T.

5 Mar 2025

EVP, Regional Businesses

Sold on a plan

5,370

$174.13

$935.08K

PREVOZNIK MICHAEL E

4 Mar 2025

SVP & General Counsel

Sold on a plan

592

$175.79

$104.07K

Doherty Catherine T.

4 Mar 2025

EVP, Regional Businesses

Sold on a plan

716

$175.79

$125.87K

Doherty Catherine T.

27 Feb 2025

EVP, Regional Businesses

Sold on a plan

824

$172.61

$142.23K

PREVOZNIK MICHAEL E

27 Feb 2025

SVP & General Counsel

Sold on a plan

528

$172.61

$91.14K

Doherty Catherine T.

20 Feb 2025

EVP, Regional Businesses

Sold on a plan

899

$170.99

$153.72K

PREVOZNIK MICHAEL E

20 Feb 2025

SVP & General Counsel

Sold on a plan

604

$170.99

$103.28K

Doherty Catherine T.

19 Feb 2025

EVP, Regional Businesses

Sold on a plan

535

$169.71

$90.79K

KUPPUSAMY KARTHIK

29 Apr 2024

SVP, Clinical Solutions

Sold on a plan

1,760

$140.00

$246.40K

PREVOZNIK MICHAEL E

29 Feb 2024

SVP & General Counsel

Sold on a plan

5,611

$125.88

$706.31K

Doherty Catherine T.

29 Feb 2024

EVP, Regional Businesses

Sold on a plan

1,187

$125.88

$149.42K

Doherty Catherine T.

28 Feb 2024

EVP, Regional Businesses

Sold on a plan

5,557

$126.57

$703.35K

Doherty Catherine T.

22 Feb 2024

EVP, Regional Businesses

Sold on a plan

821

$126.14

$103.56K

PREVOZNIK MICHAEL E

22 Feb 2024

SVP & General Counsel

Sold on a plan

661

$126.14

$83.38K

Showing 250 of 287 transactions. The figures above use every one of them.

By person

Individual transactions

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