Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001628280-26-001870
Filing Date
2026-01-12
Accepted
2026-01-12 17:05:31
Documents
4
Period of Report
2026-01-02

Document Format Files

Seq Description Document Type Size
1 FORM 3 wk-form3_1768255527.html 3  
1 FORM 3 wk-form3_1768255527.xml 3 1650
2 EX-24 dingemanssection16poasec.htm EX-24 5981
3 dingemanssection16poasec001.jpg GRAPHIC 243359
4 dingemanssection16poasec002.jpg GRAPHIC 146943
  Complete submission text file 0001628280-26-001870.txt   547076
Mailing Address RADNOR CORPORATE CENTER, BUILDING ONE SUITE 200, 100 MATSONFORD ROAD RADNOR PA 19087
Business Address RADNOR CORPORATE CENTER, BUILDING ONE SUITE 200, 100 MATSONFORD ROAD RADNOR PA 19087 (610) 386-1700
Avantor, Inc. (Issuer) CIK: 0001722482 (see all company filings)

EIN.: 822758923 | Fiscal Year End: 1231
SIC: 3826 Laboratory Analytical Instruments
(CF Office: 08 Industrial Applications and Services)

Mailing Address 100 MATSONFORD ROAD RADNOR PA 19087
Business Address
Dingemans Simon (Reporting) CIK: 0002104604 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38912 | Film No.: 26527640