Wright Lassiter III - 20 May 2026 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Role: Director
Issuer symbol: DGX
Report date: 20 May 2026
Net transaction value: $0
Form type: 4
Accepted by SEC: 21 May 2026, 16:54:02 UTC
Previous filing: 24 Apr 2026
SEC filing: View on sec.gov
Reporting owner signature: Sean D. Mersten, Attorney in Fact for Wright L. Lassiter, III

Key filing fact

Wright Lassiter III filed Form 4 for QUEST DIAGNOSTICS INC (DGX) on 21 May 2026.

Key facts

This page summarizes Wright Lassiter III's Form 4 filing for QUEST DIAGNOSTICS INC (DGX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 16:54.

Change

Previous filing in this sequence was filed on 24 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001805909 Primary reporting owner

Lassiter Wright III

Relationship: Director
Address: 500 PLAZA DRIVE, C/O QUEST DIAGNOSTICS, SECAUCUS
Signature: Sean D. Mersten, Attorney in Fact for Wright L. Lassiter, III
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DGX transaction

Common Stock

Award

Transaction value
Shares: +1,142
Change %: +12%
Price: $0.000000^*
Shares after: 10,317
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents an award of restricted stock units.

Footnote F2

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.