MARK E. DELANEY - 21 Jul 2025 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Role: SVP & Chief Commercial Officer
Signature: Sean D. Mersten, Attorney in Fact for Mark E. Delaney
Issuer symbol: DGX
Transactions as of: 21 Jul 2025
Net transactions value: +$2,847
Form type: 4
Filing time: 25 Jul 2025, 16:26:20 UTC
Previous filing: 14 May 2025
Next filing: 24 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DELANEY MARK E	SVP & Chief Commercial Officer	500 PLAZA DRIVE, C/O QUEST DIAGNOSTICS INC, SECAUCUS	Sean D. Mersten, Attorney in Fact for Mark E. Delaney	25 Jul 2025	0001955265

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DGX	Common Stock	Small acquisition under Rule 16a-6	$2,847	+17	+0.23%	$167.49	7,515	21 Jul 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.