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DGXQuest Diagnostics

Health care · Medical Labs · NYSE

Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. 10-K, Item 1

Employees
57,000
Headquarters
Secaucus, NJ
CEO
J. E. Davis
Next results
around Jan 11, 2027
Compare with peers → Embed

What DGX's directors and officers said they would sell, before they sold: trading plans the company reports each quarter, and the Form 144 notices sellers file on the day of a planned sale. Facts only; most of these sales are routine, such as selling shares from vesting stock awards.

Trading plans adopted or ended

10 plans still running: Karthik Kuppusamy, Michael J. Deppe, Patrick Plewman, James E. Davis, Cathy Doherty, Gary Pfeiffer, Mike Prevoznik, Mark Delaney, Jim Davis.

InsiderWhatDateSharesRuns toReported in
Karthik Kuppusamy
SVP, Clinical Solutions
Adopted 10b5-1 plan Aug 26, 2026 up to 1,000 Apr 30, 2027 10-Q Oct 23, 2026
Michael J. Deppe
SVP, Corporate Controller and Chief Accounting Officer
Adopted 10b5-1 plan Aug 13, 2026 up to 11,776 Aug 13, 2027 10-Q Oct 23, 2026
Patrick Plewman
SVP, Diagnostic Services
Adopted 10b5-1 plan Aug 11, 2026 up to 40,553 Mar 31, 2027 10-Q Oct 23, 2026
James E. Davis
Chairman, Chief Executive Officer and President
Adopted 10b5-1 plan Aug 10, 2026 up to 172,095 Dec 31, 2027 10-Q Oct 23, 2026
Cathy Doherty
EVP
Adopted 10b5-1 plan Aug 3, 2026 up to 34,252 Apr 30, 2027 10-Q Oct 23, 2026
Gary Pfeiffer
Director
Adopted 10b5-1 plan May 29, 2026 up to 1,203 May 28, 2027 10-Q Jul 23, 2026
Mike Prevoznik
SVP, General Counsel
Adopted 10b5-1 plan May 29, 2026 up to 31,956 Mar 31, 2027 10-Q Jul 23, 2026
Mark Delaney
SVP, Chief Commercial Officer
Adopted 10b5-1 plan Apr 23, 2026 up to 1,600 Jan 22, 2027 10-Q Jul 23, 2026
Karthik Kuppusamy
SVP, Clinical Solutions
Adopted 10b5-1 plan Feb 26, 2026 up to 8,147 Feb 26, 2027 10-Q Apr 22, 2026
The company's description
Name Title Type of Trading Arrangement Security Action Date of Action Duration of Trading Arrangement Aggregate Number of Securities Covered Karthik Kuppusamy SVP, Clinical Solutions Rule 10b5-1 plan to sell Common Stock Adoption February 26, 2026 February 26, 2026 to February 26, 2027* Up to 8,147* * Includes shares of common stock to be released from stock options.
Cathy Doherty
EVP, Regional Businesses
Adopted 10b5-1 plan Nov 14, 2025 up to 37,423 May 8, 2026 10-K Feb 26, 2026
The company's description
Name Title Type of Trading Arrangement Security Action Date of Action Duration of Trading Arrangement Aggregate Number of Securities Covered Cathy Doherty EVP, Regional Businesses Rule 10b5-1 plan to sell Common Stock Adoption November 14, 2025 November 14, 2025 to May 8, 2026* Up to 37,423* * Includes shares of common stock to be released from (a) stock options and/or restricted stock units that are expected to vest and/or (b) performance share awards that may vest, subject to the satisfaction of the applicable performance metrics. The actual number of shares of common stock that will be released is not yet determinable and the actual number of shares of common stock that will be sold will be net of the number of shares withheld to satisfy employee tax withholding obligations.
Jim Davis
Chairman, CEO, and President
Adopted 10b5-1 plan Aug 26, 2025 up to 95,093 Dec 4, 2026 10-Q Oct 21, 2025
Mark Delaney
SVP and Chief Commercial Officer
Adopted 10b5-1 plan Aug 18, 2025 up to 7,946 May 11, 2026 10-Q Oct 21, 2025
Michael Prevoznik
SVP, General Counsel
Adopted 10b5-1 plan May 30, 2025 up to 35,962 Mar 31, 2026 10-Q Jul 23, 2025
Karthik Kuppusamy
SVP, Clinical Solutions
Adopted 10b5-1 plan May 1, 2025 up to 10,479 Oct 31, 2025 10-Q Jul 23, 2025
Patrick Plewman
SVP, Diagnostic Services
Adopted 10b5-1 plan May 1, 2025 up to 48,470 Mar 31, 2026 10-Q Jul 23, 2025
Mark Delaney
SVP, Chief Commercial Officer
Adopted 10b5-1 plan Feb 7, 2025 up to 1,699 Nov 11, 2025 10-Q Apr 23, 2025
James E. Davis
Chairman, Chief Executive Officer and President
Adopted 10b5-1 plan Oct 28, 2024 up to 56,057 Oct 28, 2025 10-K Feb 20, 2025
Karthikeyan Kuppusamy
SVP, Clinical Solutions
Adopted 10b5-1 plan Oct 28, 2024 up to 2,833 Jul 25, 2025 10-K Feb 20, 2025
Michael Prevoznik
SVP, General Counsel
Adopted 10b5-1 plan Aug 30, 2024 up to 43,314 350 days 10-Q Oct 23, 2024
Cathy Doherty
EVP, Regional Businesses
Adopted 10b5-1 plan Aug 27, 2024 up to 43,558 360 days 10-Q Oct 23, 2024
Michael Deppe
SVP, Corporate Controller and Chief Accounting Officer
Adopted 10b5-1 plan Aug 8, 2024 up to 18,755 461 days 10-Q Oct 23, 2024
Karthikeyan Kuppusamy
SVP, Clinical Solutions
Adopted 10b5-1 plan Nov 16, 2023 up to 1,760 363 days 10-K Feb 22, 2024
Catherine Doherty
SVP, Regional Businesses
Adopted 10b5-1 plan Aug 29, 2023 up to 8,723 345 days 10-K Feb 22, 2024
Michael Prevoznik
SVP, General Counsel
Adopted 10b5-1 plan Aug 7, 2023 up to 6,876 220 days 10-Q Oct 25, 2023

From the XBRL of the company's 10-Qs and 10-Ks (Regulation S-K Item 408, reported since 2023): 15 filings checked since Apr 28, 2023.

Form 144 notices of planned sales

FiledSellerSharesValueShares came from10b5-1 planForm 4 sales after
Nov 9, 2026 Plewman Patrick
Officer
11,717 $3,015,253 Restricted Stock Vesting; Stock Option Exercise adopted Aug 11, 2026 none found
Nov 3, 2026 Doherty Catherine T.
Officer
22,105 $5,584,607 Stock Option Exercise adopted Aug 3, 2026 22,105 shares from Nov 3, 2026
Oct 26, 2026 PFEIFFER GARY M
Director
1,203 $292,329 Restricted Stock Vesting adopted May 29, 2026 1,203 shares from Oct 26, 2026
Sep 1, 2026 Davis J. E.
Officer, Director
10,000 $2,427,200 Restricted Stock Vesting adopted Aug 26, 2025 10,000 shares from Sep 1, 2026
Aug 28, 2026 PREVOZNIK MICHAEL E
Officer
22,677 $5,513,082 Stock Option Exercise adopted May 29, 2026 22,677 shares from Aug 28, 2026
Jul 28, 2026 DELANEY MARK E
Officer
1,600 $376,288 Restricted Stock Vesting adopted Apr 23, 2026 1,600 shares from Jul 28, 2026
Jun 4, 2026 KUPPUSAMY KARTHIK
Officer
8,147 $1,629,400 Stock Option Exercise adopted Feb 26, 2026 8,147 shares from Jun 4, 2026
Jun 1, 2026 Davis J. E.
Officer, Director
10,000 $1,941,360 Restricted Stock Vesting adopted Aug 26, 2025 10,000 shares from Jun 1, 2026
Mar 5, 2026 PREVOZNIK MICHAEL E
Officer
3,878 $799,682 Restricted Stock Vesting adopted May 30, 2025 none found
Mar 5, 2026 Doherty Catherine T.
Officer
5,558 $1,146,115 Restricted Stock Vesting adopted Nov 14, 2025 none found
Mar 5, 2026 Plewman Patrick
Officer
2,855 $588,730 Restricted Stock Vesting adopted May 1, 2025 none found
Mar 3, 2026 Doherty Catherine T.
Officer
632 $131,285 Restricted Stock Vesting adopted Nov 14, 2025 none found
Mar 3, 2026 PREVOZNIK MICHAEL E
Officer
526 $109,266 Restricted Stock Vesting adopted May 30, 2025 none found
Mar 3, 2026 Plewman Patrick
Officer
410 $85,169 Restricted Stock Vesting adopted May 1, 2025 none found
Mar 2, 2026 Davis J. E.
Officer, Director
10,000 $2,125,200 Restricted Stock Vesting adopted Aug 26, 2025 none found
Feb 19, 2026 Plewman Patrick
Officer
958 $196,227 Restricted Stock Vesting adopted May 1, 2025 none found
Feb 19, 2026 Doherty Catherine T.
Officer
1,433 $293,521 Restricted Stock Vesting adopted Nov 14, 2025 none found
Feb 19, 2026 PREVOZNIK MICHAEL E
Officer
1,111 $227,566 Restricted Stock Vesting adopted May 30, 2025 none found
Feb 13, 2026 Doherty Catherine T.
Officer
26,165 $5,428,714 Options Granted - 02/18/2020 adopted Nov 14, 2025 none found
Feb 10, 2026 Plewman Patrick
Officer
5,662 $1,155,048 Option Granted - 02/17/2021 adopted May 1, 2025 none found
Nov 25, 2025 Davis J. E.
Officer, Director
55,093 $10,589,762 Option Granted - 02/21/2017 adopted Aug 26, 2025 none found
Nov 25, 2025 Gregg Vicky B
Director
1,250 $239,700 Dividend Reinvestment; Restricted Stock Vesting none given none found
Nov 18, 2025 DELANEY MARK E
Officer
7,946 $1,488,683 Option Granted - 02/23/2023; Option Granted - 03/21/2022 adopted Aug 18, 2025 none found
Oct 22, 2025 PFEIFFER GARY M
Director
1,482 $270,317 Restricted Stock Vesting none given none found

From the Form 144 XML filed with the SEC, since Oct 22, 2025. The value is the seller's estimate on the notice. "Form 4 sales after" matches the seller's Form 4 sales in the 30 days after the notice, by name; Form 4s go back 180 days.

Work on DGX in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/DGX/export.csv") into a cell.