Gregory T. Lucier - 07 May 2026 Form 4 Insider Report for Avantor, Inc. (AVTR)

Reporting relationship: Director
Issuer ticker: AVTR
Reported as of: 07 May 2026
Net transaction value: +$83,200
SEC form: 4
Accepted by SEC: 11 May 2026, 16:39:13 UTC
Prior SEC filing: 09 Mar 2026
Next SEC filing: 28 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Scott Baker, as Attorney-in-Fact

Key filing fact

Gregory T. Lucier filed Form 4 for Avantor, Inc. (AVTR) on 11 May 2026.

Key facts

This page summarizes Gregory T. Lucier's Form 4 filing for Avantor, Inc. (AVTR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 11 May 2026, 16:39.

Change

Previous filing in this sequence was filed on 09 Mar 2026.
Current net transaction value: +$83,200.

Research use

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.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001251299 Primary reporting owner

LUCIER GREGORY T

Relationship: Director
Address: RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD,, RADNOR
Signature: /s/ Scott Baker, as Attorney-in-Fact
Signature date: 11 May 2026

Reported non-derivative transactions

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

AVTR transaction

Common Stock

Award

Transaction value
Shares: +25,270
Change %: +289%
Price: $0.000000^*
Shares after: 34,006
Date: 07 May 2026
Ownership: Direct
Footnotes: F1

AVTR transaction

Common Stock

Purchase

Transaction value: $83,200
Shares: +10,000
Change %: +20%
Price: $8.32
Shares after: 60,000
Date: 08 May 2026
Ownership: By a Trust
Footnotes: F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Reflects a grant of restricted stock units that vests on May 7, 2027.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $8.30 to $8.32, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the range set forth above.

Footnote F3

By a trust of which the reporting person serves as trustee and is a beneficiary. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.