DGX

Quest Diagnostics Inc

251.82

Oct 30 • 3:59 PM ET -1.10 (-0.43%)

251.82

Aftermarket • 7:30 PM ET 0.00 (0.00%)

Healthcare Diagnostics & Research USA Large NYSE

Peers: LH GH NTRA NEO IDXX RDNT WGS DHR CDNA TMO

| Held by: VTI VOO VO IVV SPY VTV RSP XLV VOE VIG

Scroll to Statements

Index	S&P 500
Market Cap	27.70B
Enterprise Value	33.59B
Income	1.12B
Sales	11.84B
Book/sh	69.38
Cash/sh	7.24
Dividend Est.	3.34 (1.33%)
Dividend TTM	3.38 (1.34%)
Dividend Ex-Date	Oct 06, 2026
Dividend Gr. 3/5Y	6.62% 7.39%
Payout	36.60%
Employees	57000
IPO	Dec 17, 1996

P/E	25.07
Forward P/E	21.02
PEG	2.13
P/S	2.34
P/B	3.63
P/C	34.76
P/FCF	20.15
EV/EBITDA	14.40
EV/Sales	2.84
Quick Ratio	1.58
Current Ratio	1.70
Debt/Eq	0.82
LT Debt/Eq	0.80
Option/Short	Yes / Yes

EPS (ttm)	10.04
EPS next Y	11.98
EPS next Q	2.68
EPS this Y	14.79%
EPS next Y	5.93%
EPS next 5Y	9.85%
EPS past 3/5Y	3.08% -3.64%
Sales past 3/5Y	3.74% 3.18%
EPS Y/Y TTM	17.93%
Sales Y/Y TTM	9.13%
EPS Q/Q	28.72%
Sales Q/Q	9.98%
Earnings	Oct 22 BMO
EPS/Sales Surpr.	4.35% 1.47%

Insider Own	0.48%
Insider Trans	-9.22%
Inst Own	97.98%
Inst Trans	-0.43%
ROA	6.73%
ROE	15.11%
ROIC	8.20%
Gross Margin	31.91%
Oper. Margin	14.76%
Profit Margin	9.50%
SMA20	5.98%
SMA50	5.57%
SMA200	18.70%
Trades

Shs Outstand	110.00M
Shs Float	109.49M
Short Float	3.26%
Short Ratio	3.60
Short Interest	3.57M
52W High	253.12 -0.51%
52W Low	171.18 47.11%
Volatility	2.30% 2.59%
ATR (14)	6.36
RSI (14)	68.33
Beta	0.56
Rel Volume	0.93
Avg Volume	991.44K
Volume	919,987

Perf Week	4.11%
Perf Month	8.97%
Perf Quarter	8.57%
Perf Half Y	30.70%
Perf YTD	45.12%
Perf Year	43.28%
Perf 3Y	94.59%
Perf 5Y	71.56%
Perf 10Y	213.05%
Recom	2.06
Target Price	258.29
Prev Close	252.92
Price	251.82
Change %	-0.43%

Consensus

Buy

Avg. Price Target

$258.29

Implied Upside

+2.6%

Analysts10incl. previous ratings

Rating Distribution6 Buy · 4 Hold · 0 Sell

Date	Action	Analyst	Rating Change	Price Target Change	Implied Upside
Jan 30, 2026	Upgrade	BBarclays	Equal Weight → Overweight	$210	-16.6%
Aug 25, 2025	Downgrade	RRobert W. Baird	Outperform → Neutral	$194	-23.0%
Apr 02, 2025	Initiated	RRedburn Atlantic	Buy	$195	-22.6%
Mar 04, 2025	Downgrade	CCitigroup	Buy → Neutral	$185	-26.5%
Jan 06, 2025	Upgrade	LLeerink Partners	Market Perform → Outperform	$169 → $174	-30.9%
Dec 17, 2024	Upgrade	MMorgan Stanley	Equal-Weight → Overweight	$145 → $172	-31.7%
Dec 10, 2024	Resumed	JJefferies	Buy	$175 → $185	-26.5%
Oct 23, 2024	Upgrade	RRobert W. Baird	Neutral → Outperform	$157 → $182	-27.7%
Aug 28, 2024	Resumed	EEvercore ISI	In-line	$165	-34.5%
Jul 10, 2024	Upgrade	CCitigroup	Neutral → Buy	$145 → $165	-34.5%
Feb 26, 2024	Initiated	LLeerink Partners	Market Perform	$135	-46.4%
Feb 07, 2024	Upgrade	JJefferies	Hold → Buy	$140 → $155	-38.4%
Jan 03, 2024	Initiated	BBarclays	Equal Weight	$145	-42.4%
Dec 12, 2023	Upgrade	BBofA Securities	Neutral → Buy	$140 → $160	-36.5%
Jun 29, 2023	Initiated	PPiper Sandler	Neutral
May 02, 2023	Downgrade	BBofA Securities	Buy → Neutral	$166 → $148	-41.2%
Apr 03, 2023	Upgrade	CCitigroup	Sell → Neutral	$125 → $142	-43.6%
Jan 23, 2023	Initiated	EEvercore ISI	In-line	$159	-36.9%
Nov 17, 2022	Downgrade	CCitigroup	Neutral → Sell	$145 → $125	-50.4%
Aug 22, 2022	Resumed	MMorgan Stanley	Equal-Weight	$142	-43.6%

Oct-31-26 08:06AM	EBay Leads Five Stocks Near Buy Points From Resilient Sectors (Investor's Business Daily)
Oct-30-26 01:13PM	The big winners of the tech wreck are biopharma stocks (MarketWatch)
10:47AM	Labcorp, Quest urge RESULTS Act passage as lab payment cuts loom (MedTech Dive)
Oct-23-26 11:00AM	Lab testing giant Quest Diagnostics confirms patients personal and health data was compromised during breach (TechCrunch)
Oct-22-26 03:59PM	Quest Diagnostics Beats And Raises For A Third Straight Quarter As Volume Accelerates, But 2027 Headwinds Sharpen (Earnings Whispers)
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10:34AM	Why Quest's 'Good Enough' Third Quarter Wasn't Actually Enough (Investor's Business Daily)
07:40AM	Laboratory operator Quest reports cyber breach affecting patient records (Reuters)
06:57AM	Quest Diagnostics: Q3 Earnings Snapshot (Associated Press)
06:46AM	Quest Diagnostics Reports Third Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026 (PR Newswire)
Oct-21-26 04:30PM	Illumina Inc. stock outperforms competitors on strong trading day (MarketWatch)
Oct-20-26 08:00AM	Waters Corporation and Quest Diagnostics Help Close Cervical Cancer Screening Gap Bringing Nationwide Access to the Most Comprehensive FDA-Cleared At-Home HPV Screening Option (PR Newswire)
Oct-19-26 07:57AM	Current Screening Thresholds May Miss Half of Patients with Primary Aldosterone, a Leading Cause of Severe High Blood Pressure, Finds Study in Hypertension (PR Newswire)
Oct-12-26 06:53PM	Should You Trim Or Add To Your Hims & Hers Position Now? (Trefis)
Oct-09-26 04:30PM	Illumina Inc. stock outperforms competitors on strong trading day (MarketWatch)
Oct-08-26 05:39PM	Is Hims & Hers Stock Ready For A Longer Cash Burn? (Trefis)
12:59PM	Loading…
Oct-05-26 12:59PM	Dollar Tree Upgraded, Kroger Downgraded: Updated Rankings on Top Blue-Chip Stocks (InvestorPlace)
Oct-01-26 12:04PM	Apple's Betting Improved Heart and Health Insights Will Boost Watch Sales (Barrons.com)
08:52AM	Haystack MRD Demonstrates Robust Clinical Performance in Specimen Cohort from the Landmark DYNAMIC Colorectal Cancer Trials (PR Newswire)
Sep-22-26 04:28PM	Quest Diagnostics to Release Third Quarter Financial Results on October 22, 2026 (PR Newswire)
07:55AM	Premarket movers: Quest, Labcorp hit by CMS cuts (Investing.com)
Sep-21-26 08:03AM	Nearly 1 in 3 Patients with Suspected Lyme Disease are Co-Positive for Other Tick-Borne Pathogens, Finds Study by Quest Diagnostics (PR Newswire)
Sep-17-26 04:30PM	DaVita Inc. stock underperforms Thursday when compared to competitors (MarketWatch)
Sep-16-26 08:03AM	Nine in 10 Voters Express Concern That Medicare Lab Payment Cuts Will Harm Patient Access to Diagnostic Lab Testing, Finds National Survey from Quest Diagnostics (PR Newswire)
Sep-09-26 04:01PM	Apple Health app Users to be Able to Order Labs from Quest Diagnostics (PR Newswire)
Aug-31-26 03:29PM	Market Shocks Are Not Where Hims & Hers Health Stock Has Fallen Furthest (Trefis)
Aug-25-26 09:30AM	Quest Diagnostics to Speak at the Baird 2026 Global Healthcare Conference (PR Newswire)
08:00AM	Humanity Brings Biological Age Analysis to the U.S. Through questhealth.com (PR Newswire)
Aug-24-26 09:00AM	Roche and Eli Lilly Win FDA Clearance for Alzheimers Blood Test (InvestorsHub)
09:00AM	Quest Diagnostics to Speak at the Morgan Stanley 24th Annual Global Healthcare Conference (PR Newswire)
07:24AM	Quest Diagnostics to Offer FDA-Cleared Roche pTau217 Blood Test to Assess Alzheimer's Disease Pathology (PR Newswire)
03:21PM	Loading…
Aug-20-26 03:21PM	Hims & Hers Health Stock Trades Below The Market On Revenue And Above It On Cash (Trefis)
Aug-12-26 04:15PM	Quest Diagnostics Declares Quarterly Cash Dividend (PR Newswire)
Jul-30-26 05:38PM	Is The Sharp Drop In Hims & Hers Health Stock A Reason To Buy? (Trefis)
08:26AM	Labcorp raises annual profit forecast on strong testing demand (Reuters)
07:30AM	Bacterial Vaginosis Linked to Increased STI Co-Infection, Finds National Study of 1.5 Million Women from Quest Diagnostics (PR Newswire)
Jul-27-26 04:56PM	Equinix Stock Has A Message For Management (Trefis)
Jul-23-26 05:03PM	Quest Diagnostics Inc (DGX) Q2 2026 Earnings Call Highlights: Strong Revenue Growth Amid ... (GuruFocus.com) +8.61%
04:30PM	Quest Diagnostics Inc. stock outperforms competitors on strong trading day (MarketWatch)
10:10AM	Quest Diagnostics Surges After Hims- And Oura-Tied Beat (Investor's Business Daily)
06:52AM	Quest Diagnostics: Q2 Earnings Snapshot (Associated Press)
06:45AM	Quest Diagnostics Reports Second Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026 (PR Newswire)
Jul-10-26 09:24AM	One in Five American Workers Tested Had a Positive Hair Drug Test in 2025, Signaling Persistent Long-Term Substance Use Patterns (PR Newswire)
09:00AM	More U.S. Workers Are Testing Positive for Marijuana. Fewer Employers Are Concerned. (The Wall Street Journal)
Jul-08-26 08:52AM	Quest Diagnostics Now the Largest Clinical Reference Lab to Extend Oncology Test Access Through OncoEMR MPI (PR Newswire)
Jun-24-26 08:52AM	Quest Diagnostics Receives New York State Approval for Haystack MRD, Broadening Patient Access to ctDNA Minimal Residual Disease Testing (PR Newswire)
Jun-18-26 08:57AM	UTI-causing Bacteria Resistant to Current Drugs, Finds National Study by Hackensack Meridian CDI and Quest Diagnostics (PR Newswire)
Jun-17-26 09:00AM	Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026 (PR Newswire)
Jun-16-26 09:00AM	Quest Diagnostics Unveils Achievements in Healthcare Access, Employee Engagement and Environmental Sustainability in 2025 Corporate Responsibility Report (PR Newswire)
May-29-26 07:19AM	The latest Oura and Fitbit wearables are smarter and sleeker than ever - but do they keep you healthy? (MarketWatch)
May-19-26 04:37PM	Quest Diagnostics Declares Quarterly Cash Dividend (PR Newswire)
May-14-26 02:22PM	Quest Diagnostics, Altria, and 12 More Stocks That Are Coming Back to Life After a Rough Patch (Barrons.com)
07:21AM	Oracle adds Cleveland Clinic CEO to board of directors (Healthcare Dive)
06:00AM	Labcorp expands Epic pact to make full test menu available on Aura (MedTech Dive)
Apr-30-26 12:30AM	2 Things Matter Most in Picking Winning Stocks, Says This Market Pro (Barrons.com)
Apr-27-26 04:10PM	Quest Diagnostics Prices $500 Million of Senior Notes (PR Newswire)
Apr-23-26 12:33PM	SkylineDx Presents Gene Expression Profiling for Skin Cancer Metastases (Exec Edge)
Apr-22-26 03:01AM	Quest Diagnostics Inc (DGX) Q1 2026 Earnings Call Highlights: Strong Revenue Growth and Raised ... (GuruFocus.com)
Apr-21-26 09:29AM	The Most Impressive Part Of Quest Diagnostics Stock-Spiking First-Quarter Report (Investor's Business Daily)
06:59AM	Quest Diagnostics: Q1 Earnings Snapshot (Associated Press)
06:47AM	Quest Diagnostics Reports First Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026 (PR Newswire)
Apr-20-26 08:57AM	Digi Power X signs $19.6M GPU rental agreement with SubQ AI (Proactive)
Apr-16-26 09:00AM	City of Hope to Evaluate Quest Diagnostics' Haystack MRD for Guiding Patient Management in Multiple Cancers (PR Newswire)
Apr-10-26 04:43AM	Digi Power X amends equity sales program (Proactive)
Apr-01-26 10:10AM	Digi Power X advances AI infrastructure strategy during 2025 (Proactive)
Mar-19-26 10:00AM	Quest Diagnostics to Release First Quarter Financial Results on April 21, 2026 (PR Newswire)
Mar-12-26 04:07PM	Quest Diagnostics Elects Timothy Wentworth, Former CEO of Walgreens Boots Alliance, Evernorth Health Services and Express Scripts, to Board of Directors (PR Newswire)
Mar-10-26 08:24AM	Should You Continue to Hold DGX Stock in Your Portfolio? (Zacks)
Mar-05-26 02:53PM	Implied Volatility Surging for Quest Diagnostics Stock Options (Zacks)
Mar-03-26 08:10PM	Analyst Report: Quest Diagnostics Incorporated (Morningstar Research)
Mar-02-26 09:02AM	Quest Diagnostics Introduces AI Companion to Help Patients Understand and Act on Lab Test Results (PR Newswire)
Feb-26-26 09:50AM	Why Quest Diagnostics (DGX) is a Top Momentum Stock for the Long-Term (Zacks)
08:24AM	Quest Diagnostics Names Benjamin Beauvalot Senior Vice President, Chief Strategy and M&A Officer (PR Newswire)
Feb-25-26 10:00AM	Quest Diagnostics to Speak at the Leerink 2026 Global Healthcare Conference (PR Newswire)
Feb-24-26 11:31PM	Labcorp expands PathAI pact to roll out digital pathology platform in US (MedTech Dive)
09:40AM	Here's Why Quest Diagnostics (DGX) is a Strong Value Stock (Zacks)
Feb-18-26 06:38AM	Do Wall Street Analysts Like Quest Diagnostics Stock? (Barchart)
Feb-17-26 12:32AM	5 Insightful Analyst Questions From Quest's Q4 Earnings Call (StockStory)
Feb-11-26 09:15AM	Quest Diagnostics Incorporated (DGX) Hit a 52 Week High, Can the Run Continue? (Zacks)
12:32AM	DGX Q4 Deep Dive: Consumer Testing and Advanced Diagnostics Fuel Growth Amid Margin Headwinds (StockStory)
Feb-10-26 10:07PM	Quest Diagnostics Q4 Earnings Call Highlights (MarketBeat) +7.37%
05:45PM	Analyst Report: Quest Diagnostics Incorporated (Morningstar Research)
05:08PM	Quest Diagnostics CEO: Chronic Care Disease Management a Big Driver (Bloomberg)
04:02PM	Quest Diagnostics Inc (DGX) Q4 2025 Earnings Call Highlights: Strong Revenue Growth and ... (GuruFocus.com)
03:30PM	Why Is Quest (DGX) Stock Soaring Today (StockStory)
02:54PM	Stock Market Today: Dow Weakens After Hitting A High; Medical Name Breaks Out (Live Coverage) (Investor's Business Daily)
02:05PM	Quest Diagnostics Stock Smashes 52-Week High On Strong Quarter, Dividend Hike (Benzinga)
10:43AM	Quest Diagnostics' Q4 Earnings & Revenues Beat Estimates, Stock Up (Zacks)
09:50AM	Here's Why Quest Diagnostics (DGX) is a Strong Momentum Stock (Zacks)
07:55AM	Quest Diagnostics (DGX) Beats Q4 Earnings and Revenue Estimates (Zacks)
07:13AM	Quest Diagnostics Guides FY26 Above Estimates; Boosts Dividend 7.5% - Update (RTT News)
07:06AM	Quest Diagnostics: Q4 Earnings Snapshot (Associated Press Finance)
06:58AM	Quest's (NYSE:DGX) Q4 CY2025: Beats On Revenue (StockStory)
06:47AM	Quest Diagnostics Reports Fourth Quarter and Full Year 2025 Financial Results; Provides Guidance for Full Year 2026; Increases Quarterly Dividend 7.5% to $0.86 Per Share (PR Newswire)
06:33AM	Quest Diagnostics Increases Dividend 7.5% To $0.86 Per Quarter, Marking 15 Consecutive Years of Dividend Increases; Announces $1 Billion Increase in Share Repurchase Authorization (PR Newswire)
Feb-09-26 02:08PM	MedTech Stocks to Report Earnings on Feb. 10: DGX, ZBH & EW (Zacks)
Feb-08-26 10:04PM	Quest (DGX) Q4 Earnings: What To Expect (StockStory)
Feb-06-26 09:45AM	Why Quest Diagnostics (DGX) is a Top Growth Stock for the Long-Term (Zacks)
09:45AM	Here's How Quest Diagnostics Is Placed Ahead of Q4 Earnings (Zacks)
Feb-05-26 09:40AM	Here's Why Quest Diagnostics (DGX) is a Strong Value Stock (Zacks)
Feb-04-26 09:40AM	Is Contineum Therapeutics, Inc. (CTNM) Stock Outpacing Its Medical Peers This Year? (Zacks)

Show Previous News

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
PFEIFFER GARY M	Director	Oct 26 '26	Sale	243.00	1,203	292,329	29,802	Oct 28 06:05 PM
PFEIFFER GARY M	Director	Oct 26 '26	Proposed Sale	243.00	1,203	292,329		Oct 26 09:46 AM
Davis J. E.	CEO and President	Sep 01 '26	Sale	242.72	10,000	2,427,200	122,423	Sep 03 05:05 PM
Davis J. E.	Officer	Sep 01 '26	Proposed Sale	242.72	10,000	2,427,200		Sep 01 11:06 AM
PREVOZNIK MICHAEL E	SVP & General Counsel	Aug 28 '26	Option Exercise	112.17	22,677	2,543,679	60,234	Aug 31 04:37 PM
PREVOZNIK MICHAEL E	SVP & General Counsel	Aug 28 '26	Sale	243.11	22,677	5,513,083	37,557	Aug 31 04:37 PM
PREVOZNIK MICHAEL E	Officer	Aug 28 '26	Proposed Sale	243.11	22,677	5,513,082		Aug 28 04:08 PM
DELANEY MARK E	SVP & Chief Commercial Officer	Jul 28 '26	Sale	235.18	1,600	376,288	10,335	Jul 29 05:04 PM
DELANEY MARK E	Officer	Jul 28 '26	Proposed Sale	235.18	1,600	376,288		Jul 28 09:46 AM
KUPPUSAMY KARTHIK	SVP, Clinical Solutions	Jun 04 '26	Option Exercise	124.22	8,147	1,012,000	21,657	Jun 08 04:32 PM
KUPPUSAMY KARTHIK	SVP, Clinical Solutions	Jun 04 '26	Sale	200.00	8,147	1,629,400	13,510	Jun 08 04:32 PM
KUPPUSAMY KARTHIK	Officer	Jun 04 '26	Proposed Sale	200.00	8,147	1,629,400		Jun 04 02:52 PM
Davis J. E.	CEO and President	Jun 01 '26	Sale	194.14	10,000	1,941,400	132,423	Jun 02 06:38 PM
Davis J. E.	Officer	Jun 01 '26	Proposed Sale	194.14	10,000	1,941,360		Jun 01 12:26 PM
Doherty Catherine T.	EVP, Regional Businesses	Mar 05 '26	Sale	206.21	5,558	1,146,115	67,122	Mar 06 04:45 PM
PREVOZNIK MICHAEL E	SVP & General Counsel	Mar 05 '26	Sale	206.21	3,878	799,682	37,557	Mar 06 04:44 PM
Plewman Patrick	SVP for Diagnostic Services	Mar 05 '26	Sale	206.21	2,855	588,730	15,198	Mar 06 04:44 PM
KUPPUSAMY KARTHIK	SVP, Clinical Solutions	Mar 04 '26	Sale	204.86	2,628	538,372	13,441	Mar 06 04:43 PM
PREVOZNIK MICHAEL E	Officer	Mar 05 '26	Proposed Sale	206.21	3,878	799,682		Mar 05 11:53 AM
Doherty Catherine T.	Officer	Mar 05 '26	Proposed Sale	206.21	5,558	1,146,115		Mar 05 10:55 AM
Plewman Patrick	Officer	Mar 05 '26	Proposed Sale	206.21	2,855	588,730		Mar 05 10:43 AM
Doherty Catherine T.	EVP, Regional Businesses	Mar 03 '26	Sale	207.73	632	131,285	67,122	Mar 04 04:39 PM
PREVOZNIK MICHAEL E	SVP & General Counsel	Mar 03 '26	Sale	207.73	526	109,266	37,557	Mar 04 04:38 PM
Davis J. E.	CEO and President	Mar 02 '26	Sale	212.52	10,000	2,125,200	117,185	Mar 04 04:38 PM
Plewman Patrick	SVP for Diagnostic Services	Mar 03 '26	Sale	207.73	410	85,169	15,198	Mar 04 04:38 PM
Doherty Catherine T.	Officer	Mar 03 '26	Proposed Sale	207.73	632	131,285		Mar 03 12:53 PM
PREVOZNIK MICHAEL E	Officer	Mar 03 '26	Proposed Sale	207.73	526	109,266		Mar 03 12:12 PM
Plewman Patrick	Officer	Mar 03 '26	Proposed Sale	207.73	410	85,169		Mar 03 11:52 AM
Davis J. E.	Officer	Mar 02 '26	Proposed Sale	212.52	10,000	2,125,200		Mar 02 02:21 PM
Plewman Patrick	SVP for Diagnostic Services	Feb 19 '26	Sale	204.83	958	196,227	15,838	Feb 20 05:13 PM
PREVOZNIK MICHAEL E	SVP & General Counsel	Feb 19 '26	Sale	204.83	1,111	227,566	38,371	Feb 20 05:12 PM
Doherty Catherine T.	EVP, Regional Businesses	Feb 19 '26	Sale	204.83	1,433	293,521	68,402	Feb 20 05:11 PM
Plewman Patrick	Officer	Feb 19 '26	Proposed Sale	204.83	958	196,227		Feb 19 10:34 AM
Doherty Catherine T.	Officer	Feb 19 '26	Proposed Sale	204.83	1,433	293,521		Feb 19 10:23 AM
PREVOZNIK MICHAEL E	Officer	Feb 19 '26	Proposed Sale	204.83	1,111	227,566		Feb 19 10:19 AM
Doherty Catherine T.	EVP, Regional Businesses	Feb 13 '26	Option Exercise	112.17	26,165	2,934,928	94,233	Feb 17 04:37 PM
Doherty Catherine T.	EVP, Regional Businesses	Feb 13 '26	Sale	206.15	26,165	5,393,815	68,068	Feb 17 04:37 PM
Doherty Catherine T.	Officer	Feb 13 '26	Proposed Sale	207.48	26,165	5,428,714		Feb 13 10:42 AM
Plewman Patrick	SVP for Diagnostic Services	Feb 10 '26	Option Exercise	121.81	5,662	689,660	21,043	Feb 12 04:33 PM
Plewman Patrick	SVP for Diagnostic Services	Feb 10 '26	Sale	204.00	5,662	1,155,048	15,381	Feb 12 04:33 PM
Plewman Patrick	Officer	Feb 10 '26	Proposed Sale	204.00	5,662	1,155,048		Feb 10 12:46 PM
Davis J. E.	CEO and President	Nov 25 '25	Option Exercise	95.80	55,093	5,277,634	175,573	Nov 28 04:30 PM
Davis J. E.	CEO and President	Nov 25 '25	Sale	192.22	55,093	10,589,760	120,480	Nov 28 04:30 PM
Gregg Vicky B	Director	Nov 25 '25	Sale	191.76	1,250	239,700	17,037	Nov 28 04:30 PM
Davis J. E.	Officer	Nov 25 '25	Proposed Sale	192.22	55,093	10,589,762		Nov 25 04:24 PM
Gregg Vicky B	Director	Nov 25 '25	Proposed Sale	191.76	1,250	239,700		Nov 25 09:42 AM
DELANEY MARK E	SVP & Chief Commercial Officer	Nov 18 '25	Option Exercise	144.46	7,946	1,147,845	15,476	Nov 20 04:28 PM
DELANEY MARK E	SVP & Chief Commercial Officer	Nov 18 '25	Sale	187.35	7,946	1,488,683	7,530	Nov 20 04:28 PM
DELANEY MARK E	Officer	Nov 18 '25	Proposed Sale	187.35	7,946	1,488,683		Nov 18 11:02 AM

Quest Diagnostics, Inc. engages in the provision of diagnostic testing, information, and services. It operates through the Diagnostic Information Services (DIS) and All Other segments. The DIS segment offers diagnostic information services to physicians, hospitals, patients, and consumers. The All Other segment consists of risk assessment services and healthcare information technology. The company was founded in 1967 and is headquartered in Secaucus, NJ.

ChairmanMr. James E. Davis

Executive VP & CFOMr. Sam A. Samad

Senior VP & General CounselMr. Michael E. Prevoznik J.D.

Executive Vice President of Regional BusinessesMs. Catherine T. Doherty

Senior Vice President of Clinical SolutionsMr. Karthik Kuppusamy Ph.D.

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DGX

Quest Diagnostics Inc

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