Quest Diagnostics (DGX) director defers pay into 198 phantom stock units

Rhea-AI Filing Summary

WENTWORTH TIMOTHY C reported acquisition or exercise transactions in this Form 4 filing.

Quest Diagnostics director Timothy C. Wentworth received an award of 198 phantom stock units linked to Quest Diagnostics common stock. These units were credited on account of his elective deferral of director cash compensation under the company’s Amended and Restated Deferred Compensation Plan for Directors and will be payable in cash when his service as a director ends.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider WENTWORTH TIMOTHY C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	198	$0.00	--

Holdings After Transaction: Phantom Stock Units — 198 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Phantom stock units granted: 198 units Phantom units after transaction: 198 units Transaction price per unit: $0.0000

3 metrics

Phantom stock units granted 198 units Grant/award acquisition on 2026-04-01

Phantom units after transaction 198 units Total phantom stock units following transaction

Transaction price per unit $0.0000 Reported price for phantom stock unit grant

Key Terms

Phantom Stock Units, Deferred Compensation Plan for Directors, Grant, award, or other acquisition, Derivative security

4 terms

Phantom Stock Units financial

"Phantom stock units resulting from elective deferrals of a director's cash compensation"

Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.

Deferred Compensation Plan for Directors financial

"pursuant to the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors"

A deferred compensation plan for directors is an arrangement that lets board members postpone receiving part of their pay until a later date—often retirement or a set future time—so the money can grow or be paid under specified conditions. Think of it like directing a portion of your paycheck into a locked savings account that pays out later; investors care because it creates future cash or stock obligations, signals how the company motivates and retains leadership, and can affect shareholder value through timing of payouts or potential dilution.

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Derivative security financial

"security_title: Phantom Stock Units, transaction_type: derivative"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a 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). See Instruction 10.

1. Name and Address of Reporting Person^*

WENTWORTH TIMOTHY C

(Last) (First) (Middle)

500 PLAZA DRIVE

C/O QUEST DIAGNOSTICS INC

(Street)

SECAUCUS NEW JERSEY 07094

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
QUEST DIAGNOSTICS INC [ DGX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Phantom Stock Units	$0	04/01/2026		A		198		(1)	(1)	Common Stock	198	$0	198	D

Explanation of Responses:

1. Phantom stock units resulting from elective deferrals of a director's cash compensation pursuant to the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors and become payable in cash upon the reporting person's termination of service as a director.

Remarks:

	Sean D. Mersten, Attorney in Fact for Timothy C. Wentworth	04/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Quest Diagnostics (DGX) director Timothy C. Wentworth report on this Form 4?

He reported receiving 198 phantom stock units tied to Quest Diagnostics common stock. These units reflect an elective deferral of his director cash compensation under the company’s deferred compensation plan for directors.

Is the Quest Diagnostics (DGX) Form 4 transaction a stock purchase or sale?

No, the Form 4 shows a grant/award acquisition of phantom stock units, not an open-market stock purchase or sale. The units arise from deferred director cash compensation and are classified as a derivative security.

How many phantom stock units did the Quest Diagnostics (DGX) director receive?

Timothy C. Wentworth received 198 phantom stock units. Following this transaction, his reported balance for this derivative security is also 198 units, reflecting this compensation-related award.

When will the Quest Diagnostics (DGX) phantom stock units be paid to the director?

According to the filing, the phantom stock units become payable in cash upon Timothy C. Wentworth’s termination of service as a director. Payment timing is therefore tied to the end of his board service.

What plan governs the phantom stock units reported by Quest Diagnostics (DGX)?

The units arise under the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors. This plan allows directors to elect to defer cash compensation into phantom stock units payable in cash later.