Cencora (NYSE: COR) elevates D. Mark Durcan to board chairman role
Filing Impact
Filing Sentiment
Form Type
8-K
Rhea-AI Filing Summary
Cencora, Inc. announced that its Board of Directors has appointed D. Mark Durcan as Chairman of the Board, effective October 1, 2025. Durcan has been a director since September 2015 and has served as Lead Independent Director since March 2023, so this move elevates an experienced, long‑tenured board member to the chair role.
Durcan will succeed Steven H. Collis, who, as previously reported, will retire as Executive Chairman and as a director at the end of Cencora’s fiscal year ending September 30, 2025. When Collis steps down, the size of the Board will decrease from 11 to 10 directors. The company states that Collis’ decision to retire is not due to any disagreement regarding its operations, policies, or practices.
Positive
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8-K Event Classification
3 items: 5.02, 7.01, 9.01
3 items
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers
Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Item 7.01
Regulation FD Disclosure
Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01
Financial Statements and Exhibits
Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
FAQ
What board leadership change did Cencora (COR) announce?
Cencora announced that its Board has appointed D. Mark Durcan as Chairman of the Board, effective October 1, 2025, succeeding Executive Chairman Steven H. Collis.
Who is D. Mark Durcan in relation to Cencora (COR)?
D. Mark Durcan has served as a director of Cencora since September 2015 and as the Board’s Lead Independent Director since March 2023 before being appointed Chairman.
When is Steven H. Collis retiring from Cencora’s Board?
Steven H. Collis will retire as Executive Chairman and as a director effective at the end of Cencora’s fiscal year ending September 30, 2025.
Why is Steven H. Collis leaving Cencora’s Board?
Cencora states that Mr. Collis’ decision to retire from the Board is not due to any disagreement with the company regarding its operations, policies, or practices.
How will Cencora’s Board size change after the retirement?
After Steven H. Collis retires, the size of Cencora’s Board will be reduced from 11 to 10 directors, effective upon his retirement.
Did Cencora issue a press release about the chairman transition?
Yes. Cencora issued a news release dated August 27, 2025, attached as Exhibit 99.1, announcing the appointment of D. Mark Durcan as Chairman and the related board changes.