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: 40
Latest filed: May 12, 2026
| Form | Count |
|---|---|
| 4 | 29 |
| 8-K | 7 |
| 8-K/A | 2 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| 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 |
| Apr 06, 2026 | 4 | Apr 03, 2026 | 0001628280-26-023934 | View |
| Apr 01, 2026 | 8-K | Mar 26, 2026 | 0001628280-26-022575 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000784 | View |
| Mar 11, 2026 | 4 | Mar 10, 2026 | 0001628280-26-016904 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011808 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011809 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011810 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011811 | View |
| Feb 25, 2026 | 4 | Feb 23, 2026 | 0001628280-26-011812 | View |
| Feb 25, 2026 | 8-K/A | Dec 04, 2025 | 0001628280-26-011722 | View |
| Feb 25, 2026 | 8-K/A | Dec 17, 2025 | 0001628280-26-011727 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010825 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010826 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010827 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010828 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010829 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010830 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010831 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010832 | View |
| Feb 23, 2026 | 4 | Feb 19, 2026 | 0001628280-26-010833 | View |
| Feb 12, 2026 | 4 | Feb 12, 2026 | 0001628280-26-007802 | View |
| Feb 11, 2026 | 8-K | Feb 11, 2026 | 0001628280-26-007120 | View |
| Jan 12, 2026 | 4 | Jan 02, 2026 | 0001628280-26-001871 | View |
| Dec 18, 2025 | 8-K | Dec 17, 2025 | 0001628280-25-057805 | View |
| Dec 09, 2025 | 4 | Dec 05, 2025 | 0001628280-25-056173 | View |
| Dec 04, 2025 | 8-K | Dec 04, 2025 | 0001722482-25-000221 | View |