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Avantor, Inc. — SCHEDULE 13G/A Filings

7 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by Avantor, Inc. (AVTR), sorted by most recent first. Each row links to the full filing on EdgarLookup. Avantor, Inc. has filed 7 SCHEDULE 13G/A documents with the SEC since 2017. To view all SEC filings by Avantor, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 144 15-12B 25-NSE 3 3/A 4 4/A 424B4 424B5 424B7 5 8-A12B 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A DRS EFFECT FWP POSASR PRE 14A S-1 S-1/A S-1MEF S-3ASR S-8 SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-000784 Mar 26, 2026
SCHEDULE 13G/A 0001897612-25-000544 Nov 14, 2025
SCHEDULE 13G/A 0002012383-25-002504 Oct 17, 2025
SCHEDULE 13G/A 0001897612-25-000376 Aug 14, 2025
SCHEDULE 13G/A 0000950170-25-108145 Aug 13, 2025
SCHEDULE 13G/A 0001897612-25-000096 Feb 14, 2025
SCHEDULE 13G/A 0000950170-25-019826 Feb 13, 2025