Quest Diagnostics CFO reports 68-share buy; holds 25,741 shares

Quest Diagnostics (DGX) disclosed an insider transaction by its Executive Vice President & CFO.

Rhea-AI Filing Summary

Quest Diagnostics (DGX) disclosed an insider transaction by its Executive Vice President & CFO. On 10/21/2025, the officer acquired 68 shares of common stock at a price of $189.081 per share, reported as an acquisition through a dividend reinvestment plan. Following this transaction, the officer directly beneficially owns 25,741 shares. The filing also notes that dividend reinvestment plan shares are eligible for deferred reporting on Form 5 under Rule 16a-6, but the officer elected to report early on this Form 4.

Insider Trade Summary

Grant/Award: 68 shares

Grant/Award 1 txn

Insider SAMAD SAM

Role Executive Vice President & CFO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	68	$189.081	$13K

Holdings After Transaction: Common Stock — 25,741 shares (Direct)

Footnotes (2)

1. F1. Represents an award of restricted share units.
2. F2. 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 insider transaction did DGX report?

On 10/21/2025, the EVP & CFO acquired 68 shares of DGX common stock at $189.081 per share via a dividend reinvestment plan.

How many DGX shares does the reporting person now hold?

Following the transaction, the officer directly beneficially owns 25,741 shares.

What was the price for the acquired DGX shares?

The reported acquisition price was $189.081 per share.

How were the DGX shares acquired by the officer?

They were acquired through a dividend reinvestment plan administered by the reporting person's broker.

Why was this DGX transaction reported on Form 4?

Although eligible for deferred reporting on Form 5 under Rule 16a-6, the officer chose to report early on Form 4.

What is the reporting person’s role at DGX?

The reporting person is Executive Vice President & CFO of Quest Diagnostics.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 10/24/2025 - 06:11 PM EDT Learn about SEC filing dates

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^*

SAMAD SAM

(Last) (First) (Middle)

500 PLAZA DRIVE

(Street)

SECAUCUS NJ 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)
	Executive Vice President & CFO

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	10/21/2025		A	V	68(2)	A	$189.081	25,741	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents an award of restricted share units.

2. 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 Sam Samad	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.