Avantor, Inc. — Director's Dealing 2025

Aug 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avantor, Inc. (AVTR)
CIK: 0001722482
Period of Report: 2025-08-18

Reporting Person: Ligner Emmanuel (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-18	Common Stock	A	195924	—	Acquired	195924	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-18	Stock Options (Right to Buy)	$14.04	A	573394	Acquired	2035-08-18	Common Stock (573394)	Direct

Footnotes

F1: Reflects a grant of restricted stock units that vest in three equal installments beginning on August 18, 2026.

F2: Reflects a grant of stock options that vest in three equal annual installments beginning on August 18, 2026.