Avantor, Inc. - AVTR

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 25
Latest filed: Sep 23, 2026
Form Count
4 16
8-K 7
8-K/A 1
SCHEDULE 13G 1

Latest files

Filed Form Report period Accession SEC
Sep 23, 2026 4 Sep 21, 2026 0001628280-26-063227 View
Sep 21, 2026 8-K Sep 17, 2026 0000947871-26-000877 View
Sep 21, 2026 8-K Sep 17, 2026 0000947871-26-000876 View
Aug 27, 2026 8-K/A Apr 17, 2026 0001628280-26-059273 View
Aug 20, 2026 4 Aug 18, 2026 0001628280-26-058303 View
Aug 18, 2026 4 Aug 14, 2026 0001628280-26-057645 View
Aug 04, 2026 4 Jul 31, 2026 0001628280-26-052722 View
Jul 29, 2026 8-K Jul 29, 2026 0001628280-26-050333 View
Jul 27, 2026 4 Jul 24, 2026 0001628280-26-049853 View
Jul 17, 2026 8-K Jul 14, 2026 0001628280-26-048676 View
Jun 22, 2026 4 Jun 21, 2026 0001628280-26-044719 View
May 12, 2026 8-K May 07, 2026 0001628280-26-034146 View
May 11, 2026 4 May 07, 2026 0001628280-26-033595 View
May 11, 2026 4 May 07, 2026 0001628280-26-033598 View
May 11, 2026 4 May 07, 2026 0001628280-26-033600 View
May 11, 2026 4 May 07, 2026 0001628280-26-033602 View
May 11, 2026 4 May 07, 2026 0001628280-26-033603 View
May 11, 2026 4 May 07, 2026 0001628280-26-033604 View
May 11, 2026 4 May 07, 2026 0001628280-26-033605 View
May 11, 2026 4 May 07, 2026 0001628280-26-033606 View
May 05, 2026 4 May 01, 2026 0001628280-26-030825 View
May 05, 2026 4 May 01, 2026 0001628280-26-030826 View
Apr 29, 2026 SCHEDULE 13G — 0002100119-26-000188 View
Apr 29, 2026 8-K Apr 29, 2026 0001628280-26-028078 View
Apr 23, 2026 8-K Apr 17, 2026 0001628280-26-026905 View