secwatch / observer
DGX QUEST DIAGNOSTICS INC
CIK 0001022079 50 ready 8-Ks latest July 23, 2026, 6:46 AM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing July 23, 2026, 6:46 AM ET
Top materiality 0.85
Event mix earnings ×19 · leadership ×14 · other_material ×9
Sentiment 17 pos · 0 neg · 33 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for DGX

Executive changes

Appointed

Robert B. Carter

Director
DGX · QUEST DIAGNOSTICS INC
Effective
2024-05-16
Filed
May 21, 2024, 7:59 PM ET
On May 16, 2024, the Board of Directors (the “Board”) of Quest Diagnostics Incorporated (the “Company”), after considering the recommendation of the Board’s Governance Committee, elected Robert B. Carter to the Board.
Appointed

Patrick T. Plewman

Senior Vice President for Diagnostic Services
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-16
Filed
November 18, 2022, 6:59 PM ET
On November 16, 2022, Mark E. Delaney, Senior Vice President and Chief Commercial Officer; Mark A. Gardner, Senior Vice President, Molecular Genomics and Oncology; Karthik Kuppusamy, Senior Vice President, Clinical Solutions and Patrick T. Plewman, Senior Vice President for Diagnostic Services, became executive officers of Quest Diagnostics Incorporated (the "Company) and became Schedule B participants in the Company's Executive Officer Severance Plan (the "Plan").
Appointed

Karthik Kuppusamy

Senior Vice President, Clinical Solutions
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-16
Filed
November 18, 2022, 6:59 PM ET
On November 16, 2022, Mark E. Delaney, Senior Vice President and Chief Commercial Officer; Mark A. Gardner, Senior Vice President, Molecular Genomics and Oncology; Karthik Kuppusamy, Senior Vice President, Clinical Solutions and Patrick T. Plewman, Senior Vice President for Diagnostic Services, became executive officers of Quest Diagnostics Incorporated (the "Company) and became Schedule B participants in the Company's Executive Officer Severance Plan (the "Plan").
Appointed

Mark E. Delaney

Senior Vice President and Chief Commercial Officer
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-16
Filed
November 18, 2022, 6:59 PM ET
On November 16, 2022, Mark E. Delaney, Senior Vice President and Chief Commercial Officer; Mark A. Gardner, Senior Vice President, Molecular Genomics and Oncology; Karthik Kuppusamy, Senior Vice President, Clinical Solutions and Patrick T. Plewman, Senior Vice President for Diagnostic Services, became executive officers of Quest Diagnostics Incorporated (the "Company) and became Schedule B participants in the Company's Executive Officer Severance Plan (the "Plan").
Appointed

Mark A. Gardner

Senior Vice President, Molecular Genomics and Oncology
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-16
Filed
November 18, 2022, 6:59 PM ET
On November 16, 2022, Mark E. Delaney, Senior Vice President and Chief Commercial Officer; Mark A. Gardner, Senior Vice President, Molecular Genomics and Oncology; Karthik Kuppusamy, Senior Vice President, Clinical Solutions and Patrick T. Plewman, Senior Vice President for Diagnostic Services, became executive officers of Quest Diagnostics Incorporated (the "Company) and became Schedule B participants in the Company's Executive Officer Severance Plan (the "Plan").
Appointed

James E. Davis

Chief Executive Officer and President
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-01
Filed
November 1, 2022, 7:59 PM ET
Mr. Davis became Chief Executive Officer and President of the Company, and Stephen H. Rusckowski remains Chairman of the Company
Role change

Stephen H. Rusckowski

Chairman of the Board
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-01
Successor
James E. Davis
Filed
November 1, 2022, 7:59 PM ET
Mr. Davis became Chief Executive Officer and President of the Company, and Stephen H. Rusckowski remains Chairman of the Company
Appointed

James E. Davis

Director
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-01
Filed
November 1, 2022, 7:59 PM ET
elected James E. Davis to fill the resulting vacancy
Role change

James Davis

Chief Executive Officer and President
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-01
Filed
October 28, 2022, 7:59 PM ET
On October 28, 2022, the Compensation Committee (the “Committee”) of the Board of Directors of Quest Diagnostics Incorporated (the “Company”) approved an updated compensation package for Mr. Davis, reflecting Mr. Davis becoming Chief Executive Officer and President of the Company.
Role change

Stephen H. Rusckowski

Executive Chairman
DGX · QUEST DIAGNOSTICS INC
Effective
2022-11-01
Filed
July 1, 2022, 7:59 PM ET
Mr. Rusckowski’s arrangements in connection with his retirement as Chief Executive Officer and President on November 1, 2022 and his service as Executive Chairman of the Company until March 31, 2023.
Appointed

Sam Samad

Executive Vice President and Chief Financial Officer
DGX · QUEST DIAGNOSTICS INC
Effective
2022-07-25
Filed
June 14, 2022, 7:59 PM ET
On June 9, 2022, Quest Diagnostics Incorporated (the “Company”) announced that Sam Samad will become Executive Vice President and Chief Financial Officer of the Company.
Departed

Mark Guinan

Chief Financial Officer
DGX · QUEST DIAGNOSTICS INC
Successor
Sam Samad
Filed
June 14, 2022, 7:59 PM ET
Mr. Samad succeeds Mark Guinan, who, in February 2022, announced his decision to retire.

Earnings & guidance

2026-Q1 EPS reported $2.24 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

17 positive 0 negative 33 neutral

source · DGX on sec.gov