---
schema_version: "secwatch.filing_event.v1"
accession: "0000075252-21-000154"
form_type: "8-K"
ticker: "ACH"
cik: "0000075252"
company_name: "ACCENDRA HEALTH INC/VA/"
filed_at: "2021-12-17T23:59:59+00:00"
generated_at: "2026-06-28T00:19:13.346455+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Michael C. Riordan resigns from OMI Board effective Jan 31, 2022

## Summary
- Michael C. Riordan notified Owens & Minor of his Board resignation, effective Jan. 31, 2022.
- Resignation due to accepting full-time President and CEO role at a hospital system.
- Confirmed no dispute or disagreement with company management or Board.

## SEC filing metadata
- accession: 0000075252-21-000154
- form_type: 8-K
- ticker: ACH
- cik: 0000075252
- company_name: ACCENDRA HEALTH INC/VA/
- filed_at: 2021-12-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/75252/000007525221000154/0000075252-21-000154-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/75252/000007525221000154/omi-20211215.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000075252-21-000154
- JSON: https://secwatch.observer/filing/0000075252-21-000154.json
- Plain text: https://secwatch.observer/filing/0000075252-21-000154.txt

## Key facts
- Executive change
  Michael C. Riordan resigned as Director at ACCENDRA HEALTH INC/VA/.
  - Action: resigned
  - Role: Director
  source text: On December 15, 2021, Michael C. Riordan notified Owens & Minor, Inc. (the “Company”) that he will resign from the Company’s Board of Directors, effective January 31, 2022, as a result of his acceptance of a full-time role as President and Chief Executive Officer of a hospital system.
  evidence_url: https://www.sec.gov/Archives/edgar/data/75252/000007525221000154/0000075252-21-000154-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.