Key facts
- This page summarizes Corey Walker's Form 4 filing for Avantor, Inc. (AVTR).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 23 Feb 2026, 20:53.
Corey Walker - 19 Feb 2026 Form 4 Insider Report for Avantor, Inc. (AVTR)
- Reporting relationship
- President, VWR Dist. & Servs.
- Issuer ticker
- AVTR
- Reported as of
- 19 Feb 2026
- Net transaction value
- -$44,816
- SEC form
- 4
- Accepted by SEC
- 23 Feb 2026, 20:53:29 UTC
- Prior SEC filing
- 24 Jun 2025
- Next SEC filing
- 22 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Scott Baker, by power of attorney for Corey Walker
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Corey Walker filed Form 4 for Avantor, Inc. (AVTR) on 23 Feb 2026.
Change
- Previous filing in this sequence was filed on 24 Jun 2025.
- Current net transaction value: -$44,816.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001776172
Primary reporting owner
Walker Corey
- Relationship
- President, VWR Dist. & Servs.
- Address
- RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD, RADNOR
- Signature
- /s/ Scott Baker, by power of attorney for Corey Walker
- Signature date
- 23 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
AVTR
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +161,237
- Change %
- +70%
- Price
- $0.000000
- Shares after
- 392,508
- Date
- 19 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
AVTR
transaction
Common Stock
Tax liability
- Transaction value
- $44,816
- Shares
- -4,963
- Change %
- -1.3%
- Price
- $9.03
- Shares after
- 387,545
- Date
- 20 Feb 2026
- Ownership
- Direct
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
AVTR
transaction
Derivative
Stock Options (Right to Buy)
Award
- Transaction value
- $0
- Shares
- +634,617
- Change %
- Price
- $0.000000
- Shares after
- 634,617
- Date
- 19 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 634,617
- Exercise price
- $11.05
- Footnotes
- 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 vest in three equal annual installments beginning on February 19, 2027.
Footnote F2
Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.
Footnote F3
Reflects a grant of stock options that vest in three equal annual installments beginning on February 19, 2027.