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): February 1, 2024

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. ☐

Item 2.02. Results of Operations and Financial Condition

On February 1, 2024, Quest Diagnostics Incorporated (the "Company") issued a press release announcing, among other things, its results for the quarter and full year ended December 31, 2023. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.     

Item 8.01. Other Events

On February 1, 2024, the Company announced that its Board of Directors had authorized a 5.6% increase in its quarterly dividend from $0.71 to $0.75 per share, or $3.00 per share annually, effective with the dividend payable on April 22, 2024 to shareholders of record of Quest Diagnostics Incorporated common stock on April 8, 2024. The Company has raised its dividend annually since 2011. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

d.	Exhibit
	99.1	Press release of Quest Diagnostics Incorporated dated February 1, 2024, announcing, among other things, its results for the quarter and full year ended December 31, 2023.
	104	The cover page from this current report on Form 8-K, formatted in Inline XBRL.

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.

February 1, 2024

QUEST DIAGNOSTICS INCORPORATED
By:	/s/ Sean D. Mersten
	Sean D. Mersten
	Vice President and Corporate Secretary