DGX Form 4: Officer acquires 15 shares at $189.077

Q: What did DGX disclose in this Form 4 filing?

An officer acquired 15 shares of common stock via a dividend reinvestment plan on 10/21/2025.

Q: At what price were the DGX shares acquired?

The shares were acquired at $189.077 per share.

Q: Who is the reporting person in DGX's Form 4?

The reporting person is Mark E. Delaney, SVP & Chief Commercial Officer.

Q: How many DGX shares does the officer own after the transaction?

He beneficially owns 7,530 shares, held directly.

Q: What was the method of acquisition in the DGX transaction?

Shares were acquired through a dividend reinvestment plan administered by the broker.

Q: Was this DGX transaction reported early?

Yes. It is eligible for deferred reporting under Rule 16a-6 and was reported early.

Quest Diagnostics (DGX) reported an insider transaction on Form 4.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

Quest Diagnostics (DGX) reported an insider transaction on Form 4. SVP & Chief Commercial Officer Mark E. Delaney acquired 15 shares of common stock on 10/21/2025 at $189.077 per share via a dividend reinvestment plan. Following the transaction, he beneficially owns 7,530 shares, held directly. The filing notes the transaction is eligible for deferred reporting under Rule 16a-6 and was reported early.

Insider Trade Summary

Grant/Award: 15 shares

Grant/Award 1 txn

Insider DELANEY MARK E

Role SVP & Chief Commercial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	15	$189.077	$3K

Holdings After Transaction: Common Stock — 7,530 shares (Direct)

Footnotes (1)

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did DGX disclose in this Form 4 filing?

An officer acquired 15 shares of common stock via a dividend reinvestment plan on 10/21/2025.

At what price were the DGX shares acquired?

The shares were acquired at $189.077 per share.

Who is the reporting person in DGX's Form 4?

The reporting person is Mark E. Delaney, SVP & Chief Commercial Officer.

How many DGX shares does the officer own after the transaction?

He beneficially owns 7,530 shares, held directly.

What was the method of acquisition in the DGX transaction?

Shares were acquired through a dividend reinvestment plan administered by the broker.

Was this DGX transaction reported early?

Yes. It is eligible for deferred reporting under Rule 16a-6 and was reported early.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/24/2025 - 06:09 PM EDT

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^*

DELANEY MARK E

(Last)

(First)

(Middle)

500 PLAZA DRIVE

C/O QUEST DIAGNOSTICS INC

(Street)

SECAUCUS

07094

(City)

(State)

(Zip)

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP & Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/21/2025

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/21/2025		A	V	15⁽¹⁾	A	$189.077	7,530	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. 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.

Remarks:

	Sean D. Mersten, Attorney in Fact for Mark E. Delaney	10/24/2025
	** 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.

Source: View Original Filing on SEC EDGAR