---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-161950"
form_type: "8-K"
ticker: "AVTR"
cik: "0001722482"
company_name: "Avantor, Inc."
filed_at: "2025-07-21T23:59:59+00:00"
generated_at: "2026-05-18T05:09:45.766708+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Avantor names Emmanuel Ligner as President and CEO effective August 18, 2025

## Summary
- Ligner succeeds Michael Stubblefield, who steps down as previously announced.
- Ligner brings 30+ years in life sciences; formerly CEO of Cytiva and Cerba HealthCare.
- Initial annual base salary £775,000; target bonus 150% of base; one-time equity award $5M.
- Eligible for annual equity grant target value $9M starting 2026 under equity plan.
- Severance upon involuntary termination: lump-sum $75,000 for repatriation plus standard plan terms.

## SEC filing metadata
- accession: 0001193125-25-161950
- form_type: 8-K
- ticker: AVTR
- cik: 0001722482
- company_name: Avantor, Inc.
- filed_at: 2025-07-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1722482/000119312525161950/0001193125-25-161950-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1722482/000119312525161950/d69795d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-161950
- JSON: https://secwatch.observer/filing/0001193125-25-161950.json
- Plain text: https://secwatch.observer/filing/0001193125-25-161950.txt

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