Brittany Hankamer - 23 Feb 2026 Form 4 Insider Report for Avantor, Inc. (AVTR)

Reporting relationship: EVP, Chief HR Officer
Issuer ticker: AVTR
Reported as of: 23 Feb 2026
Net transaction value: -$15,041
SEC form: 4
Accepted by SEC: 25 Feb 2026, 17:28:00 UTC
Prior SEC filing: 23 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Baker, by power of attorney for Brittany Hankamer

Key filing fact

Brittany Hankamer filed Form 4 for Avantor, Inc. (AVTR) on 25 Feb 2026.

Key facts

This page summarizes Brittany Hankamer's Form 4 filing for Avantor, Inc. (AVTR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 25 Feb 2026, 17:28.

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0001990909 Primary reporting owner

Relationship: EVP, Chief HR Officer
Address: RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD, RADNOR
Signature: /s/ Scott Baker, by power of attorney for Brittany Hankamer
Signature date: 25 Feb 2026

Shares, units, or other non-derivative securities reported in this filing.

AVTR transaction

Tax liability

AVTR transaction

Tax liability

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Explanation of responses 1 footnote

Footnote F1

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