Quest CFO disposes 869 shares for tax withholding

Quest Diagnostics Executive Vice President & CFO Sam Samad reported a Form 4 transaction involving common stock.

Rhea-AI Filing Summary

Quest Diagnostics Executive Vice President & CFO Sam Samad reported a Form 4 transaction involving common stock. On the reported date, he disposed of 869 shares at $204.86 per share in a tax-withholding transaction tied to the vesting of a prior restricted stock unit grant. This was a sale of shares to satisfy tax obligations rather than an open-market trade. After this transaction, he directly owned 27,041 shares of Quest Diagnostics common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 869 shares

Exercise Price or Tax Liability 1 txn

Insider SAMAD SAM

Role Executive Vice President & CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	869	$204.86	$178K

Holdings After Transaction: Common Stock — 27,041 shares (Direct)

Footnotes (1)

1. F1. Sale of common stock to satisfy tax obligations arising from the vesting of a previous grant of restricted share units.

FAQ

What insider transaction did Quest Diagnostics (DGX) CFO Sam Samad report?

Sam Samad reported a tax-related disposition of 869 Quest Diagnostics common shares. The shares were sold to cover tax obligations arising from a previously vested restricted stock unit grant, rather than as a discretionary open-market sale.

How many Quest Diagnostics (DGX) shares did the CFO dispose of and at what price?

The CFO disposed of 869 Quest Diagnostics common shares at $204.86 per share. This disposition was executed to satisfy tax obligations from a prior restricted stock unit vesting, according to the filing footnote.

Was the Quest Diagnostics (DGX) CFO’s Form 4 transaction an open-market sale?

No, the transaction was not a typical open-market sale. The filing notes the common stock was sold specifically to satisfy tax obligations triggered by the vesting of an earlier restricted stock unit grant.

How many Quest Diagnostics (DGX) shares does the CFO own after this transaction?

After the tax-withholding disposition, the CFO directly owns 27,041 Quest Diagnostics common shares. This post-transaction holding reflects his remaining direct ownership following the 869-share sale to cover tax liabilities.

What does transaction code F mean in the Quest Diagnostics (DGX) Form 4?

Transaction code F indicates a disposition to pay an exercise price or tax liability using securities. Here, it reflects shares sold to satisfy tax obligations related to the vesting of previously granted restricted stock units.

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Accepted by SEC EDGAR 03/04/2026 - 04:39 PM 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
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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)
03/02/2026

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	03/02/2026		F		869(1)	D	$204.86	27,041	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. Sale of common stock to satisfy tax obligations arising from the vesting of a previous grant of restricted share units.

Remarks:

	Sean D. Mersten, Attorney in Fact for Sam Samad	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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