---
schema_version: "secwatch.filing_event.v1"
accession: "0001367644-25-000204"
form_type: "8-K"
ticker: "EBS"
cik: "0001367644"
company_name: "Emergent BioSolutions Inc."
filed_at: "2025-11-12T23:59:59+00:00"
generated_at: "2026-05-16T20:59:25.747851+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Emergent BioSolutions director Louis W. Sullivan to retire Nov 14 after 19 years

## Summary
- Dr. Sullivan notified board of retirement effective Nov 14, 2025; no disagreement with company.
- Served as director since 2006, most recently as Compensation Committee Chair and on Nominating/Governance.
- Former HHS Secretary and president of Morehouse School of Medicine.

## SEC filing metadata
- accession: 0001367644-25-000204
- form_type: 8-K
- ticker: EBS
- cik: 0001367644
- company_name: Emergent BioSolutions Inc.
- filed_at: 2025-11-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1367644/000136764425000204/0001367644-25-000204-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1367644/000136764425000204/ebs-20251107.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001367644-25-000204
- JSON: https://secwatch.observer/filing/0001367644-25-000204.json
- Plain text: https://secwatch.observer/filing/0001367644-25-000204.txt

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