• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    Director Wentworth Timothy C was granted 1,142 shares, increasing direct ownership by 529% to 1,358 units (SEC Form 4)

    5/21/26 4:56:30 PM ET
    $DGX
    Medical Specialities
    Health Care
    Get the next $DGX alert in real time by email
    SEC FORM 4SEC Form 4
    FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number:3235-0287
    Estimated average burden
    hours per response:0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    WENTWORTH TIMOTHY C

    (Last)(First)(Middle)
    500 PLAZA DRIVE
    C/O QUEST DIAGNOSTICS INC

    (Street)
    SECAUCUS NEW JERSEY 07094

    (City)(State)(Zip)

    UNITED STATES

    (Country)
    2. Issuer Name and Ticker or Trading Symbol
    QUEST DIAGNOSTICS INC [ DGX ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    XDirector10% Owner
    Officer (give title below)Other (specify below)
    2a. Foreign Trading Symbol
    3. Date of Earliest Transaction (Month/Day/Year)
    05/20/2026
    6. Individual or Joint/Group Filing (Check Applicable Line)
    XForm filed by One Reporting Person
    Form filed by More than One Reporting Person
    4. If Amendment, Date of Original Filed (Month/Day/Year)

    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    CodeVAmount(A) or (D)Price
    Common Stock(1)05/20/2026A1,142A$01,358(2)D
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
    Explanation of Responses:
    1. Represents an award of restricted stock units.
    2. The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.
    Remarks:
    Sean D. Mersten, Attorney in Fact for Timothy C. Wentworth05/21/2026
    ** Signature of Reporting PersonDate
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    * Form 4: SEC 1474 (03-26)
    Get the next $DGX alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $DGX

    DatePrice TargetRatingAnalyst
    1/30/2026$210.00Equal Weight → Overweight
    Barclays
    8/25/2025$194.00Outperform → Neutral
    Robert W. Baird
    4/2/2025$195.00Buy
    Redburn Atlantic
    3/4/2025$185.00Buy → Neutral
    Citigroup
    1/6/2025$169.00 → $174.00Market Perform → Outperform
    Leerink Partners
    12/17/2024$145.00 → $172.00Equal-Weight → Overweight
    Morgan Stanley
    12/10/2024$175.00 → $185.00Buy
    Jefferies
    10/23/2024$157.00 → $182.00Neutral → Outperform
    Robert W. Baird
    More analyst ratings

    $DGX
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Quest Diagnostics Receives New York State Approval for Haystack MRD®, Broadening Patient Access to ctDNA Minimal Residual Disease Testing

    Achieving the rigorous laboratory standard broadens access for providers and patients in New York; applies to use of Haystack MRD for patients with solid tumor cancersSECAUCUS, N.J., June 24, 2026 /PRNewswire/ -- Quest Diagnostics® (NYSE:DGX), a leading provider of diagnostic information services, today announced that the New York State Department of Health's (NYSDOH) Clinical Laboratory Evaluation Program (CLEP) has approved the company's Haystack MRD® test, a circulating tumor DNA (ctDNA) liquid biopsy test, for use in identifying residual or recurring disease in patients with a range of solid tumor cancers.

    6/24/26 8:52:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    UTI-causing Bacteria Resistant to Current Drugs, Finds National Study by Hackensack Meridian CDI and Quest Diagnostics

    Published in Nature Communications, the new study finds that nearly 70% of a common bacterial strain that causes urinary tract infections, pneumonia and wound infections was non-susceptible to the three most used oral antibioticsSECAUCUS, N.J., June 18, 2026 /PRNewswire/ -- A common bacterial strain that lives naturally in people's guts can cause a dangerous or deadly infection for some, especially when it becomes multidrug-resistant and causes chronic urinary-tract infections (UTIs) in elderly women. But the extent of its effect on the broader population and its prevalence in the community was not well known – until now. Klebs

    6/18/26 8:57:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026

    SECAUCUS, N.J., June 17, 2026 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE:DGX), a leader in diagnostic information services, announced today that it will report its second quarter 2026 financial results on Thursday, July 23, 2026, before the market opens. It will hold its quarterly conference call to discuss the results beginning at 8:30 a.m. Eastern Time on that day. The conference call can be accessed by dialing 888-455-0391 within the U.S. and Canada, or 773-756-0467 internationally, using the passcode: "7895081." The earnings release and live webcast will be posted on www.QuestDiagnostics.com/investor. The company

    6/17/26 9:00:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    SVP, Clinical Solutions Kuppusamy Karthik exercised 8,147 shares at a strike of $124.22 and sold $1,629,400 worth of shares (8,147 units at $200.00) as part of a pre-agreed trading plan (SEC Form 4)

    4 - QUEST DIAGNOSTICS INC (0001022079) (Issuer)

    6/8/26 4:32:30 PM ET
    $DGX
    Medical Specialities
    Health Care

    CEO and President Davis J. E. sold $1,941,400 worth of shares (10,000 units at $194.14) as part of a pre-agreed trading plan, decreasing direct ownership by 7% to 132,423 units (SEC Form 4)

    4 - QUEST DIAGNOSTICS INC (0001022079) (Issuer)

    6/2/26 6:38:38 PM ET
    $DGX
    Medical Specialities
    Health Care

    Director Carter Robert B was granted 1,142 shares, increasing direct ownership by 42% to 3,853 units (SEC Form 4)

    4 - QUEST DIAGNOSTICS INC (0001022079) (Issuer)

    5/21/26 4:59:34 PM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Quest Diagnostics upgraded by Barclays with a new price target

    Barclays upgraded Quest Diagnostics from Equal Weight to Overweight and set a new price target of $210.00

    1/30/26 6:40:39 AM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics downgraded by Robert W. Baird with a new price target

    Robert W. Baird downgraded Quest Diagnostics from Outperform to Neutral and set a new price target of $194.00

    8/25/25 8:10:20 AM ET
    $DGX
    Medical Specialities
    Health Care

    Redburn Atlantic initiated coverage on Quest Diagnostics with a new price target

    Redburn Atlantic initiated coverage of Quest Diagnostics with a rating of Buy and set a new price target of $195.00

    4/2/25 8:51:11 AM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    SEC Filings

    View All

    SEC Form 11-K filed by Quest Diagnostics Incorporated

    11-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)

    6/18/26 4:12:03 PM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics Incorporated filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders

    8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)

    5/21/26 4:48:35 PM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics Incorporated filed SEC Form 8-K: Entry into a Material Definitive Agreement, Financial Statements and Exhibits

    8-K - QUEST DIAGNOSTICS INC (0001022079) (Filer)

    5/8/26 4:15:23 PM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G/A filed by Quest Diagnostics Incorporated (Amendment)

    SC 13G/A - QUEST DIAGNOSTICS INC (0001022079) (Subject)

    2/13/24 5:12:21 PM ET
    $DGX
    Medical Specialities
    Health Care

    SEC Form SC 13G/A filed by Quest Diagnostics Incorporated (Amendment)

    SC 13G/A - QUEST DIAGNOSTICS INC (0001022079) (Subject)

    1/25/24 12:16:40 PM ET
    $DGX
    Medical Specialities
    Health Care

    SEC Form SC 13G/A filed by Quest Diagnostics Incorporated (Amendment)

    SC 13G/A - QUEST DIAGNOSTICS INC (0001022079) (Subject)

    2/7/23 1:25:52 PM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    Financials

    Live finance-specific insights

    View All

    Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026

    SECAUCUS, N.J., June 17, 2026 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE:DGX), a leader in diagnostic information services, announced today that it will report its second quarter 2026 financial results on Thursday, July 23, 2026, before the market opens. It will hold its quarterly conference call to discuss the results beginning at 8:30 a.m. Eastern Time on that day. The conference call can be accessed by dialing 888-455-0391 within the U.S. and Canada, or 773-756-0467 internationally, using the passcode: "7895081." The earnings release and live webcast will be posted on www.QuestDiagnostics.com/investor. The company

    6/17/26 9:00:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics Declares Quarterly Cash Dividend

    SECAUCUS, N.J., May 19, 2026 /PRNewswire/ -- Quest Diagnostics (NYSE:DGX), a leader in diagnostic information services, today announced that its Board of Directors declared a quarterly cash dividend of $0.86 per share, payable on July 22, 2026 to shareholders of record of Quest Diagnostics common stock on July 8, 2026. About Quest DiagnosticsQuest Diagnostics works across healthcare to create a healthier world, one life at a time. We connect people, from clinicians to consumers, with laboratory insights that illuminate a path to better health. With a focus on delivering smarter,

    5/19/26 4:37:00 PM ET
    $DGX
    Medical Specialities
    Health Care

    Quest Diagnostics Reports First Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026

    First quarter revenues of $2.90 billion, up 9.2% from 2025, with 9.0% organic revenue growthFirst quarter reported diluted earnings per share ("EPS") of $2.24, up 15.5% from 2025; and adjusted diluted EPS of $2.50, up 13.1% from 2025Full year 2026 reported diluted EPS now expected to be between $9.58 and $9.78; and adjusted diluted EPS is expected to be between $10.63 and $10.83SECAUCUS, N.J., April 21, 2026 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE:DGX), a leading provider of diagnostic information services, today announced financial results for the first quarter ended March 31, 2026.

    4/21/26 6:47:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    $DGX
    Leadership Updates

    Live Leadership Updates

    View All

    Sonora Quest and Laboratory Sciences of Arizona Announce Jennifer Erickson as CEO-Elect

    Jennifer Erickson succeeds longtime CEO David Dexter following more than 26 years of service PHOENIX, Jan. 15, 2026 /PRNewswire/ -- Sonora Quest Laboratories, together with its parent company Laboratory Sciences of Arizona (LSA), is pleased to announce the appointment of Jennifer Erickson as Chief Executive Officer-Elect. Erickson will take over from David Dexter, who is retiring this March after more than 26 years of leadership. Dexter joined Sonora Quest and LSA as president and CEO in 1999, where under his leadership, the company has grown tremendously, serving as the marke

    1/15/26 9:00:00 AM ET
    $DGX
    Medical Specialities
    Health Care

    Quanterix Appoints Everett Cunningham as President and CEO Effective January 19, 2026

    Planned Leadership Transition Positions Company for Growth Company Expects to Exceed Revenue and Cash Guidance for the Full Year 2025 Quanterix Corporation ("Quanterix" or the "Company") (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced that its Board of Directors (the "Board") has appointed Everett Cunningham as the Company's next President and Chief Executive Officer and a member of the Board, effective January 19, 2026. Mr. Cunningham will succeed Masoud Toloue, who will continue to serve as Chief Executive Officer until Mr. Cunningham assumes the role on January 19, 2026. Following Mr. Cunningham

    1/8/26 4:30:00 PM ET
    $ARVN
    $DGX
    $EXAS
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Medical Specialities
    Biotechnology: Laboratory Analytical Instruments

    Fitbit and Quest Diagnostics Collaborate to Advance Research on the Use of Wearable Devices to Improve Metabolic Health

    Study to evaluate how behavioral and sensor data from wearables and blood tests can be leveraged to help individuals better assess and manage their metabolic health SECAUCUS, N.J., Jan. 17, 2024 /PRNewswire/ -- Fitbit and Quest Diagnostics (NYSE:DGX), the world's leading provider of diagnostic information services, today announced a collaboration to study the potential of wearable devices to improve metabolic health, which influences risk of developing several diseases, including diabetes and heart disease. The Wearables for Metabolic Health (WEAR-ME) pilot study will pair beh

    1/17/24 8:58:00 AM ET
    $DGX
    Medical Specialities
    Health Care