MICHAEL J. DEPPE - 18 Feb 2026 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Signature
Sean D. Mersten, Attorney in Fact for Michael J. Deppe
Issuer symbol
DGX
Transactions as of
18 Feb 2026
Net transactions value
-$37,923
Form type
4
Filing time
20 Feb 2026, 17:09:22 UTC
Previous filing
05 Mar 2025
Next filing
04 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Deppe Michael J SVP, Corp. Controller & CAO 500 PLAZA DRIVE, SECAUCUS Sean D. Mersten, Attorney in Fact for Michael J. Deppe 20 Feb 2026 0001771759

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DGX Common Stock Award $0 +366 +1.1% $0.000000 34,742 18 Feb 2026 Direct F1
transaction DGX Common Stock Tax liability $17,431 -83 -0.24% $210.01 34,659 18 Feb 2026 Direct F2
transaction DGX Common Stock Tax liability $20,492 -99 -0.29% $206.99 34,560 18 Feb 2026 Direct F2, F3
holding DGX Common Stock 706 18 Feb 2026 401(k) F4

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) Award $0 +1,688 $0.000000 1,688 18 Feb 2026 Common Stock 1,688 $204.96 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents an award of restricted stock units.
F2 Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted stock units.
F3 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.
F4 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.
F5 The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.