QUEST DIAGNOSTICS INC (DGX)
Latest DGX Insider Trades
Mark E. Delaney - OfficerOpen-market sale$376K
Karthik Kuppusamy - OfficerOpen-market sale$1.63M- J. E. Davis
About QUEST DIAGNOSTICS INC (DGX)
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
- SECAUCUS, NJ
- 57,000
- 1996
- XNYS
https://www.questdiagnostics.comSEC filings for DGX on EDGAR
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 19,747 | $3.95M |
| Grant or award | 3 | 318 | |
| Option exercise | 4 | 16,294 |
DGX Insider Transactions (Form 4)
34120 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mark E. Delaney - Officer | Open-market sale | Common Stock |
Recent DGX Form 8-K Filings
5Recent DGX Form 144 Notices of Proposed Sale
3A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| PREVOZNIK MICHAEL E | Officer | 22,677 | $5.51M | View on EDGAR | |
| - | - |
DGX Insider Trading - FAQ
What is the latest insider trade for DGX?
QUEST DIAGNOSTICS INC (DGX) had 12 insider filings in the last 90 days, with the most recent on 2026-07-29. The full record for DGX runs to 120 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying DGX stock?
No insider purchases of DGX were filed in the last 90 days.
How many insiders are selling DGX stock?
3 insider sales of DGX were filed in the last 90 days, totaling $3.95M.
Where can I see DGX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks DGX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow DGX insider buys?
Create a free InsiderAlpha account and press Watch on this page to add DGX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Mark E. Delaney view on EDGAR
- - Karthik Kuppusamy view on EDGAR
- - Robert B. Carter view on EDGAR
- - Vicky B. Gregg view on EDGAR
- - Patrick Plewman view on EDGAR
- - Timothy L. Main view on EDGAR
- - Sam Samad view on EDGAR
- - Wright Lassiter III view on EDGAR
- - Mark E. Delaney view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where DGX's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track DGX insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
