GREGORY L. SUMME - 12 Feb 2026 Form 4 Insider Report for Avantor, Inc. (AVTR)

Role
Director
Signature
/s/ Scott Baker, by power of attorney for Greg Summe
Issuer symbol
AVTR
Transactions as of
12 Feb 2026
Net transactions value
+$940,000
Form type
4
Filing time
12 Feb 2026, 17:24:47 UTC
Previous filing
16 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SUMME GREGORY L Director RADNOR CORPORATE CENTER, BUILDING ONE, SUITE 200, 100 MATSONFORD ROAD, RADNOR /s/ Scott Baker, by power of attorney for Greg Summe 12 Feb 2026 0001143422

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AVTR Common Stock Purchase $940,000 +100,000 +33% $9.40 400,000 12 Feb 2026 By a Trust F1
holding AVTR Common Stock 58,111 12 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 By a trust. The reporting person reports beneficial ownership of AVTR common stock held by the trust but disclaims beneficial ownership except to the extent of his pecuniary interest therein.