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Form 8-K

sec.gov
DGX The article is a Form 8-K filing detailing the results of a shareholder meeting, including director elections and advisory resolutions. The voting outcomes are presented factually without any indication of positive or negative sentiment towards the company's performance or future prospects.

8-K — QUEST DIAGNOSTICS INC

Accession: 0001022079-26-000052

Filed: 2026-05-21

Period: 2026-05-20

CIK: 0001022079

SIC: 8071 (SERVICES-MEDICAL LABORATORIES)

Item: Submission of Matters to a Vote of Security Holders

Documents

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): May 20, 2026

Quest Diagnostics Incorporated

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or other jurisdiction of incorporation)

001-12215 16-1387862

(Commission File Number) (I.R.S. Employer Identification No.)

500 Plaza Drive

Secaucus, NJ 07094

(Address of principal executive offices) (Zip Code)

(973) 520-2700

(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock, $0.01 Par Value DGX New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

1

Item 5.07 Submission of Matters to a Vote of Security Holders

(a)           The following is a summary of the voting results for each matter presented to the stockholders at the 2026 Annual Meeting of Stockholders which was held on May 20, 2026.

(b)           The following nominees for the office of director were elected for terms expiring at the 2027 Annual Meeting of Stockholders, by the following votes:

FOR

AGAINST

ABSTAIN

NON-VOTES

Robert B. Carter

93,821,069

205,166

173,510

9,135,906

James E. Davis

88,799,800

5,237,756

162,189

9,135,906

Luis A. Diaz, Jr., M.D.

93,909,369

110,114

180,262

9,135,906

Tracey C. Doi

93,649,938

393,268

156,539

9,135,906

Vicky B. Gregg

83,814,387

10,232,574

152,784

9,135,906

Wright L. Lassiter, III

93,802,306

223,154

174,285

9,135,906

Timothy L. Main

88,302,767

5,614,920

282,058

9,135,906

Denise M. Morrison

89,808,461

4,176,407

214,877

9,135,906

Gary M. Pfeiffer

86,302,153

7,716,970

180,622

9,135,906

Timothy M. Ring

81,917,543

11,994,424

287,778

9,135,906

Timothy C. Wentworth

93,427,490

597,095

175,160

9,135,906

The advisory resolution to approve the executive officer compensation disclosed in the Company’s 2026 Proxy Statement was approved by the following votes:

FOR

AGAINST

ABSTAIN

NON-VOTES

86,869,738

7,152,448

177,559

9,135,906

The ratification of the appointment of PricewaterhouseCoopers as the Company’s independent registered public accounting firm for 2026 was approved by the following votes:

FOR

AGAINST

ABSTAIN

97,340,034

5,809,995

185,622

The stockholder proposal regarding an independent board chairman was not approved by the following votes:

FOR AGAINST ABSTAIN NON-VOTES

23,999,636 69,792,819 407,290 9,135,906

2

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

May 21, 2026

QUEST DIAGNOSTICS INCORPORATED

By: /s/ Sean D. Mersten

Sean D. Mersten

Vice President and Corporate Secretary

3

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