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AI brief of an SEC Form 8-K · Cencora (COR)

Cencora names Lead Independent Director Mark Durcan as chairman effective October 1, 2025

Neutral Impact 3 of 5 leadership Written later

Cencora's board appointed director D. Mark Durcan as Chairman, effective October 1, 2025, succeeding Steven H. Collis, who is retiring as Executive Chairman and as a director at the end of the fiscal year ending September 30, 2025. The filing says Collis's retirement was not due to any disagreement with the company on its operations, policies or practices, and the board will shrink from 11 to 10 directors. The filing reports no financial results, so the change is a governance and leadership update rather than a change in company performance.

Key points

  • D. Mark Durcan named Chairman of the Board, effective October 1, 2025
  • Durcan has been a director since September 2015 and Lead Independent Director since March 2023
  • Steven H. Collis retires as Executive Chairman and director at the end of the fiscal year ending September 30, 2025
  • Board size reduced from 11 to 10 directors upon Collis's retirement

The filing

CompanyCencora (COR)
Form8-K, current report
Filed with the SECAug 27, 2025, 5:00 PM ET
Accession number0001104659-25-084068

Items reported: 5.02 Director / Officer Change7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:42 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on August 27, 2025.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.