---
schema_version: "secwatch.filing_event.v1"
accession: "0001722482-24-000071"
form_type: "8-K"
ticker: "AVTR"
cik: "0001722482"
company_name: "Avantor, Inc."
filed_at: "2024-02-28T23:59:59+00:00"
generated_at: "2026-06-05T09:07:08.016956+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Avantor board amends bylaws to align with SEC Rule 14a-19 and DGCL changes

## Summary
- Amendments adopted Feb 23, 2024; effective immediately.
- Section 2.03 updated for director nominations and proxy solicitations, requiring compliance with SEC Rule 14a-19.
- Removed requirement to produce stockholder list at meetings, conforming to Delaware General Corporation Law.
- Section 7.01 clarified indemnification circumstances for indemnitees; ministerial changes also made.

## SEC filing metadata
- accession: 0001722482-24-000071
- form_type: 8-K
- ticker: AVTR
- cik: 0001722482
- company_name: Avantor, Inc.
- filed_at: 2024-02-28T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1722482/000172248224000071/0001722482-24-000071-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1722482/000172248224000071/avtr-20240223.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001722482-24-000071
- JSON: https://secwatch.observer/filing/0001722482-24-000071.json
- Plain text: https://secwatch.observer/filing/0001722482-24-000071.txt

## Key facts
- Governance Changes
  Avantor, Inc.: Amended and restated bylaws to update director nomination and proxy solicitation rules, remove stockholder list requirement, clarify indemnification, and make ministerial changes (effective 2024-02-23).
  - Change: bylaw amendment
  - Effective: 2024-02-23
  source text: The Board of Directors (the “Board”) of Avantor, Inc. (the “Company”) adopted the fourth amended and restated bylaws of the Company (the “Bylaws”) on February 23, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1722482/000172248224000071/0001722482-24-000071-index.htm

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