DGX Filing
4Filing Date: Jul 29, 2026
QUEST DIAGNOSTICS INC (DGX) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001022079-26-000087open_in_new
Total Value$376.3K
Trades1
Insiders1
Transaction Details
DELANEY MARK E
SVP & Chief Commercial Officer·Direct
Sell · Dispose
Common Stock
Shares-1.60K
Price$235.18
Total Value$376.3K
Shares Owned After10.34K
Transaction DateJul 28, 2026
10b5-1
Footnotes ▸
This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.
Post-Transaction Holdings
DELANEY MARK E
| Security | Shares | Change |
|---|---|---|
| Common Stock | 10.34K | -1.60K (-13.41%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-07-28
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: QUEST DIAGNOSTICS INC (DGX)
CIK: 0001022079
--- Reporting Owner ---
Name: DELANEY MARK E
CIK: 0001955265
Role: Officer (SVP & Chief Commercial Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-07-28 | Code: S (Open market sale)
Shares: -1,600 | Price: $235.18
Total Value: $376,288.00
Shares Owned After: 10,335 | Ownership: D (Direct)
Footnotes:
[F1] This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.
--- Footnotes (Complete Index) ---
F1: This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.
--- Signature ---
/s/ Sean D. Mersten, Attorney in Fact for Mark E. Delaney (2026-07-29)