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DGX - Quest Diagnostics Inc

Insider Sale by Doherty Catherine T. (EVP, Regional Businesses)

1 Month
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Trade Summary

2 days ago, Doherty Catherine T., serving as EVP, Regional Businesses at Quest Diagnostics Inc (DGX), sold 632 shares at $207.73 per share, for a total transaction value of $131,285.00. Following this transaction, Doherty Catherine T. now holds 71,624 shares of DGX.

This sale represents a 1.00% decrease in Doherty Catherine T.'s stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, March 3, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, March 4, 2026, 1 day after the trade was made.

Quest Diagnostics Inc operates in the HEALTHCARE sector, specifically within the DIAGNOSTICS & RESEARCH industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Doherty Catherine T.

EVP, Regional Businesses

Catherine T. Doherty is an accomplished executive serving as Executive Vice President, Regional Businesses at Quest Diagnostics Inc. (DGX), where she oversees regional and enterprise operations, the commercial organization, marketing, consumer-initiated testing, and drives operational excellence through initiatives like Invigorate.[[1]](https://www.montclair.edu/business/about/advisory-board/catherine-t-doherty/)[[7]](https://ir.questdiagnostics.com/governance/management-team/default.aspx) Responsible for approximately 90% of the company's $10 billion annual revenue and 85% of its employees (about 35,000 people), she co-chairs the Inclusion and Diversity Council and serves as Executive Sponsor of Quest’s Women in Leadership Employee Business Network.[[1]](https://www.montclair.edu/business/about/advisory-board/catherine-t-doherty/)[[5]](https://www.montclair.edu/alumni/2024/05/14/catherine-t-doherty-84-knows-the-value-of-a-montclair-education/) Doherty joined Quest Diagnostics in 1990 as part of MetPath (a Corning subsidiary that spun off to form Quest in 1997), starting in a financial role after brief stints at KPMG and adidas.[[1]](https://www.montclair.edu/business/about/advisory-board/catherine-t-doherty/)[[5]](https://www.montclair.edu/alumni/2024/05/14/catherine-t-doherty-84-knows-the-value-of-a-montclair-education/) Her career highlights include prior positions such as Senior Vice President, Group Executive – Clinical Franchise Solutions and Marketing; Senior Vice President, Physician Services Business; Vice President, Hospital Services; and Vice President, Office of the Chairman.[[1]](https://www.montclair.edu/business/about/advisory-board/catherine-t-doherty/) A Montclair State University alumna (class of 1984), she has been honored by groups like Executive Women of New Jersey and actively supports recruiting from her alma mater.[[1]](https://www.montclair.edu/business/about/advisory-board/catherine-t-doherty/)[[5]](https://www.montclair.edu/alumni/2024/05/14/catherine-t-doherty-84-knows-the-value-of-a-montclair-education/)[[6]](https://www.questdiagnostics.com/our-company/actions-insights/2018/cathy-doherty-honored-by-executive-women-of-new-jersey) In 2024, her base salary was $625,000 with a target annual incentive of 80%, reflecting strong performance alignment.[[2]](https://fintool.com/app/research/companies/DGX/people/catherine-t-doherty)

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Trade Price

$207.73

Quantity

632

Total Value

$131,285.00

Shares Owned

71,624

Trade Date

Tuesday, March 3, 2026

2 days ago

SEC Filing Date

Wednesday, March 4, 2026

Filed 1 day after trade

HEALTHCAREDIAGNOSTICS & RESEARCH

About Quest Diagnostics Inc

Company Overview

No company information available
View news mentioning DGX

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