Mark E. Delaney - Nov 18, 2025 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Signature
Sean D. Mersten, Attorney in Fact for Mark E. Delaney
Stock symbol
DGX
Transactions as of
Nov 18, 2025
Transactions value $
-$1,488,683
Form type
4
Date filed
11/20/2025, 04:28 PM
Previous filing
Oct 24, 2025

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 2025-11-20 0001955265

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DGX Common Stock Options Exercise $1.13M +7.85K +104.2% $144.47 15.4K Nov 18, 2025 Direct F1
transaction DGX Common Stock Options Exercise $14.3K +100 +0.65% $143.33 15.5K Nov 18, 2025 Direct F1
transaction DGX Common Stock Sale -$1.49M -7.95K -51.34% $187.35 7.53K Nov 18, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DGX Non-Qualifed Stock Option (right to buy) Options Exercise -$1.13M -7.85K -100% $144.47 0 Nov 18, 2025 Common Stock 7.85K $144.47 Direct F1, F2
transaction DGX Non-Qualifed Stock Option (right to buy) Options Exercise -$14.3K -100 -1.32% $143.33 7.48K Nov 18, 2025 Common Stock 100 $143.33 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

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).

Explanation of Responses:

Id Content
F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.
F2 The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.