Karthik Kuppusamy - 22 Jul 2026 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Reporting relationship: SVP, Clinical Solutions
Issuer ticker: DGX
Reported as of: 22 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Jul 2026, 16:35:39 UTC
Prior SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: Sean D. Mersten, Attorney in Fact for Karthik Kuppusamy

Key filing fact

Karthik Kuppusamy filed Form 4 for QUEST DIAGNOSTICS INC (DGX) on 27 Jul 2026.

Key facts

This page summarizes Karthik Kuppusamy's Form 4 filing for QUEST DIAGNOSTICS INC (DGX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 Jul 2026, 16:35.

Change

Previous filing in this sequence was filed on 08 Jun 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.

View source filing

Reporting Owners (1)

CIK 0001955217 Primary reporting owner

KUPPUSAMY KARTHIK

Relationship: SVP, Clinical Solutions
Address: 500 PLAZA DRIVE, C/O QUEST DIAGNOSTICS INC, SECAUCUS
Signature: Sean D. Mersten, Attorney in Fact for Karthik Kuppusamy
Signature date: 27 Jul 2026

Reported non-derivative transactions

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

DGX transaction

Common Stock

Small acquisition under Rule 16a-6

Transaction value
Shares: +37
Change %: +0.27%
Price: $206.81^*
Shares after: 13,557
Date: 22 Jul 2026
Ownership: Direct
Footnotes: F1, F2

DGX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 358
Date: 22 Jul 2026
Ownership: By Trust

DGX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,691
Date: 22 Jul 2026
Ownership: 401(k)
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

Footnote F3

These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.