Avantor, Inc. — Director's Dealing 2025

Feb 26, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Avantor, Inc. (AVTR)
CIK: 0001722482
Period of Report: 2025-02-24

Reporting Person: Stubblefield Michael (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-24	Common Stock	F	6800	$17.47	Disposed	1452991	Direct
2025-02-25	Common Stock	F	4969	$17.56	Disposed	1448022	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	58908	Indirect
Common Stock	469500	Indirect

Footnotes

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

F2: Reflects securities held by a trust for the benefit of the Reporting Person's family, of which the spouse of the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of the securities held by the trust, except to the extent of his pecuniary interest therein.