Avantor, Inc. — Director's Dealing 2026

Feb 25, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avantor, Inc. (AVTR)
CIK: 0001722482
Period of Report: 2026-02-23

Reporting Person: Hankamer Brittany (EVP, Chief HR Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-23	Common Stock	F	1324	$8.89	Disposed	249404	Direct
2026-02-24	Common Stock	F	359	$9.11	Disposed	249045	Direct

Footnotes

F1: Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.