NEW YORK STOCK EXCHANGE, INC. · DGX

+1.37% · +$2.66 · Vol 488.8K

Quest Diagnostics Inc

Health Care

$196.24

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About Quest Diagnostics Inc

SERVICES-MEDICAL LABORATORIES

Listed since

1996

Employees

57K

Country

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.

Company website →

Key statistics

Reported fields plus Veridion-computed history. Unsourced tiles are omitted.

Open

$195.78

Day high

$197.79

Day low

$194.15

Previous close

$193.58

52W high

$204.24

-3.92% from high

52W low

$193.58

25% of range

Market cap

$21.6B

P/E

22.27×

EPS

$8.81

Shares out

110.7M

Volume

488.8K

VWAP

$196.85

Price history computed in-house

-1.38%

SMA 50 $199.40 · below

SMA 200 $199.40 · below

52W position 25%

Veridion warehouse edge

Warehouse intelligence for DGX.

Veridion Score

0: 771: 372: 493: 504: 705: 40

Congress 30d

No recent disclosure on file.

Insider activity

See Form 4 panel below.

13F holders

None on file

Capital Web snapshots checked.

Disclosure-sourced lobbying and contract detail remains attributed in the full panels below.

Data ledger

Quote and day range

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Source: Market data

Veridion Score

Coverage building

Source: Veridion methodology

Chart and risk context

Daily bars with no missing-bar fill

Source: Market data

News and filings

Refresh intervals shown inside each panel

Source: Market news and federal filings

Financials

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SEC Form 4 ledger

DGX insider activity

Quest Diagnostics Inc

Score

Coverage building

Pressure

Net selling

Filings

135

Buys / sells

63 / 72

Net value

-$1.7M

Insiders

Named filers

KUPPUSAMY KARTHIK

Insider

Leadership

Davis J. E.

Insider

Leadership

SAMAD SAM

Insider

Leadership

Cluster

7 insiders bought in the last 90 days

Net pressure

Net selling: -$1.7M across loaded Form 4 rows.

Convergence not established

Loaded official disclosures do not show all three sources aligned on this ticker.

Filing date	Trade date	Insider	Title	Type	Price	Qty	Owned	Value	Receipt
2026-06-08	2026-06-04	KUPPUSAMY KARTHIK	Insider	buy	$121.81	4,827	Not reported	$588K	SEC Form 4
2026-06-08	2026-06-04	KUPPUSAMY KARTHIK	Insider	buy	$127.72	3,320	Not reported	$424K	SEC Form 4
2026-06-08	2026-06-04	KUPPUSAMY KARTHIK	Insider	sell	$200.00	8,147	13,510	$1.6M	SEC Form 4
2026-06-08	2026-06-04	KUPPUSAMY KARTHIK	Insider	buy	$121.81	4,827	21,657	$588K	SEC Form 4
2026-06-08	2026-06-04	KUPPUSAMY KARTHIK	Insider	buy	$127.72	3,320	16,830	$424K	SEC Form 4

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Source: SEC EDGAR Form 4. Rows with missing price or quantity are excluded rather than zero-filled.Methodology

Congress · 90D

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Federal contracts

DGX contract awards, year to date.

Public federal awards linked to this ticker.

Not disclosed

Refresh interval: 12hSource: Federal contract awards

No federal contracts on file for DGX in this window.

Lobbying spend

DGX lobbying filings, year to date.

Registered lobbying filings matched to Quest Diagnostics Inc.

$2.0M

Refresh interval: 12hSource: LDA disclosure filings

Health Issues Medicare/Medicaid Budget/AppropriationsBudget/Appropriations Health Issues Medicare/MedicaidHealth Issues Budget/Appropriations Medicare/Medicaid

Filing

$690.0K

QUEST DIAGNOSTICS INCORPORATED

Apr 20, 2026

Filing

$350.0K

QUEST DIAGNOSTICS INCORPORATED

Jan 20, 2026

Filing

$330.0K

QUEST DIAGNOSTICS INCORPORATED

Jan 20, 2026