DGX insider trading

NYSE Healthcare

QUEST DIAGNOSTICS INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
1,134
Last 90 days
75
Buys / sells
0% / 24%
Market cap
$23.02B

About QUEST DIAGNOSTICS INC

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It also provides diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, emerging retail healthcare providers, pharmaceutical companies and insurers, commercial clinical laboratories, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. In addition, the company offers risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Company website: www.questdiagnostics.com

DGX insider activity at a glance

FilingIQ has scored 1,134 insider transactions for DGX since Jan 1, 2014. The most recent filing in our index is dated Apr 20, 2026.

Across the full history, 0 open-market purchases and 277 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on DGX insider trades is 63.1/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest DGX Form 4 filings

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for DGX?
FilingIQ tracks 1,134 Form 4 insider transactions for DGX (QUEST DIAGNOSTICS INC), covering filings from Jan 1, 2014 onwards. 75 of those were filed in the last 90 days.
Are DGX insiders net buyers or net sellers?
Across the full Form 4 history for DGX, 0 transactions (0%) were open-market purchases and 277 (24%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does DGX insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is DGX in?
QUEST DIAGNOSTICS INC (DGX) is classified in the Healthcare sector, specifically Diagnostics & Research, with a current market capitalisation of $23.02B.

Methodology & sources

Every DGX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.