Corey Walker - 19 Feb 2026 Form 4 Insider Report for Avantor, Inc. (AVTR)

Role
President, VWR Dist. & Servs.
Signature
/s/ Scott Baker, by power of attorney for Corey Walker
Issuer symbol
AVTR
Transactions as of
19 Feb 2026
Net transactions value
-$44,816
Form type
4
Filing time
23 Feb 2026, 20:53:29 UTC
Previous filing
24 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Walker Corey President, VWR Dist. & Servs. RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD, RADNOR /s/ Scott Baker, by power of attorney for Corey Walker 23 Feb 2026 0001776172

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AVTR Common Stock Award $0 +161,237 +70% $0.000000 392,508 19 Feb 2026 Direct F1
transaction AVTR Common Stock Tax liability $44,816 -4,963 -1.3% $9.03 387,545 20 Feb 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AVTR Stock Options (Right to Buy) Award $0 +634,617 $0.000000 634,617 19 Feb 2026 Common Stock 634,617 $11.05 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects a grant of restricted stock units that vest in three equal annual installments beginning on February 19, 2027.
F2 Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.
F3 Reflects a grant of stock options that vest in three equal annual installments beginning on February 19, 2027.