Director at Quest Diagnostics (NYSE: DGX) receives 1,142 stock units

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Quest Diagnostics Inc. director Wright Lassiter III received an equity grant of 1,142 shares of common stock on May 20, 2026, reported as a restricted stock unit award. Following this grant, he directly holds 10,317 shares, which include shares acquired through dividend reinvestment under the Deferred Compensation Plan for Directors.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lassiter Wright III

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,142	$0.00	--

Holdings After Transaction: Common Stock — 10,317 shares (Direct, null)

Footnotes (1)

Represents an award of restricted stock units. The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

Key Figures

Restricted stock unit award: 1,142 shares Grant price per share: $0.00 per share Shares owned after transaction: 10,317 shares

3 metrics

Restricted stock unit award 1,142 shares Grant of common stock reported as RSU award on May 20, 2026

Grant price per share $0.00 per share Compensation-related award, not an open-market purchase

Shares owned after transaction 10,317 shares Total direct holdings following grant, including dividend reinvestment

Key Terms

restricted stock units, dividend reinvestment, Deferred Compensation Plan for Directors, Grant, award, or other acquisition

4 terms

restricted stock units financial

"Represents an award of restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend reinvestment financial

"includes shares acquired via dividend reinvestment since the date of reporting person's last filing"

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

Deferred Compensation Plan for Directors financial

"pursuant to the 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"

Form 4 Insider Transactions: What Each Field Means →

05/21/2026 - 04:54 PM

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^*

Lassiter Wright III

(Last)

(First)

(Middle)

500 PLAZA DRIVE

C/O QUEST DIAGNOSTICS

(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)
05/20/2026

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)
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⁽¹⁾	05/20/2026		A		1,142	A	$0	10,317⁽²⁾	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. Represents an award of restricted stock units.

2. The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

Remarks:

	Sean D. Mersten, Attorney in Fact for Wright L. Lassiter, III	05/21/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Quest Diagnostics (DGX) report for Wright Lassiter III?

Quest Diagnostics reported that director Wright Lassiter III received an equity grant of 1,142 shares of common stock as a restricted stock unit award. This is a compensation-related acquisition, not an open-market purchase or sale of shares.

How many Quest Diagnostics (DGX) shares does Wright Lassiter III hold after this Form 4?

After the reported grant, Wright Lassiter III directly holds 10,317 Quest Diagnostics shares. This total includes shares accumulated through dividend reinvestment under the company’s Amended and Restated Deferred Compensation Plan for Directors.

Was the Quest Diagnostics (DGX) Form 4 transaction a market buy or sell?

The Form 4 shows a grant or award acquisition of 1,142 shares, coded as “A” for a grant or other acquisition. It is a compensation-related restricted stock unit award, not an open-market purchase or sale transaction by the director.

What does the restricted stock unit award mean for Quest Diagnostics (DGX) director compensation?

The filing indicates the director received an award of restricted stock units representing 1,142 shares. This is part of equity-based director compensation, aligning the director’s holdings with company performance rather than reflecting a discretionary trade in the open market.

How were dividend reinvestments reported for the Quest Diagnostics (DGX) director?

A footnote explains that the reported share amount includes shares acquired via dividend reinvestment since the director’s last Form 4 filing, under the Amended and Restated Deferred Compensation Plan for Directors, consolidating these reinvested amounts into the total holding figure.