Avantor, Inc. SEC filings AVTR
Avantor, Inc. has 787 filings in SEC EDGAR's recent list, going back to Dec 28, 2017. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Sep 23, 2026 | Sep 21, 2026 |
| 3 | Initial insider ownership | Sep 23, 2026 | Sep 21, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 4 | Insider transaction | Aug 18, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jul 27, 2026 | Jul 24, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 21, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 3 | Initial insider ownership | May 5, 2026 | May 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 6, 2026 | Apr 3, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Feb 12, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 2, 2026 |
| 3 | Initial insider ownership | Jan 12, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 3 | Initial insider ownership | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 3 | Initial insider ownership | Nov 12, 2025 | Nov 10, 2025 |
| 144 | Notice of proposed sale | Nov 6, 2025 | — |
| 4 | Insider transaction | Oct 31, 2025 | Oct 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| 3 | Initial insider ownership | Oct 7, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 2, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 18, 2025 |
| 3 | Initial insider ownership | Aug 21, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 4 | Insider transaction | Aug 12, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 6, 2025 | Aug 5, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 4 | Insider transaction | Aug 4, 2025 | Jul 31, 2025 |
| 4 | Insider transaction | Jul 25, 2025 | Jul 24, 2025 |
| 4 | Insider transaction | Jun 24, 2025 | Jun 21, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 23, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 21, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 7, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 28, 2025 |
| 3 | Initial insider ownership | Apr 8, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 5, 2025 |
| 4 | Insider transaction | Feb 28, 2025 | Feb 26, 2025 |
| 4 | Insider transaction | Feb 28, 2025 | Feb 26, 2025 |
| 144 | Notice of proposed sale | Feb 27, 2025 | — |
| 144 | Notice of proposed sale | Feb 27, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 144 | Notice of proposed sale | Feb 26, 2025 | — |
| 144 | Notice of proposed sale | Feb 26, 2025 | — |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 23, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Nov 6, 2024 | Nov 4, 2024 |
| 3 | Initial insider ownership | Nov 6, 2024 | Nov 4, 2024 |
| 4 | Insider transaction | Oct 4, 2024 | Oct 2, 2024 |
| 4 | Insider transaction | Sep 6, 2024 | Sep 5, 2024 |
| 144 | Notice of proposed sale | Sep 5, 2024 | — |
| 144 | Notice of proposed sale | Aug 26, 2024 | — |
| 4 | Insider transaction | Aug 16, 2024 | Aug 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 7, 2024 | — |
| 4 | Insider transaction | Aug 1, 2024 | Jul 31, 2024 |
| 4 | Insider transaction | Aug 1, 2024 | Jul 30, 2024 |
| 144 | Notice of proposed sale | Jul 31, 2024 | — |
| 144 | Notice of proposed sale | Jul 30, 2024 | — |
| 4 | Insider transaction | Jul 26, 2024 | Jul 24, 2024 |
| 144 | Notice of proposed sale | Jul 26, 2024 | — |
| 4 | Insider transaction | Jul 22, 2024 | Jul 18, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2024 | — |
| 4 | Insider transaction | Jun 25, 2024 | Jun 21, 2024 |
| 3 | Initial insider ownership | Jun 25, 2024 | Jun 21, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 9, 2024 |
| 4 | Insider transaction | Apr 18, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 5, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 144 | Notice of proposed sale | Mar 12, 2024 | — |
| 4 | Insider transaction | Mar 1, 2024 | Feb 29, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 29, 2024 |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 29, 2024 | — |
| 144 | Notice of proposed sale | Feb 29, 2024 | — |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 144 | Notice of proposed sale | Feb 27, 2024 | — |
| 4 | Insider transaction | Feb 26, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 24, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Jul 18, 2023 |
| 144 | Notice of proposed sale | Oct 26, 2023 | — |
| 144 | Notice of proposed sale | Oct 16, 2023 | — |
| 144 | Notice of proposed sale | Oct 12, 2023 | — |
| 4 | Insider transaction | Oct 4, 2023 | Oct 2, 2023 |
| 3 | Initial insider ownership | Oct 4, 2023 | Oct 2, 2023 |
| 144 | Notice of proposed sale | Sep 20, 2023 | — |
| 144 | Notice of proposed sale | Sep 12, 2023 | — |
| 4 | Insider transaction | Sep 7, 2023 | Sep 7, 2023 |
| 144 | Notice of proposed sale | Sep 7, 2023 | — |
| 4 | Insider transaction | Sep 5, 2023 | Sep 5, 2023 |
| 4 | Insider transaction | Aug 28, 2023 | Aug 25, 2023 |
| 144 | Notice of proposed sale | Aug 25, 2023 | — |
| 3 | Initial insider ownership | Aug 24, 2023 | Aug 23, 2023 |
| 4 | Insider transaction | Aug 9, 2023 | Aug 7, 2023 |
| 3 | Initial insider ownership | Aug 9, 2023 | Aug 7, 2023 |
| 4 | Insider transaction | Aug 2, 2023 | Jul 31, 2023 |
| 4 | Insider transaction | Jul 26, 2023 | Jul 24, 2023 |
| 3 | Initial insider ownership | Jul 26, 2023 | Jul 24, 2023 |
| 4 | Insider transaction | May 30, 2023 | May 26, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 17, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 17, 2023 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- AVTR (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Radnor, PA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1722482
- Former names
- Vail Holdco Corp (until Dec 28, 2017)
Other Laboratory Analytical Instruments companies
- Agilent Technologies, Inc. A
- Waters Corp /DE/ WAT
- Illumina, Inc. ILMN
- Mettler Toledo International INC/ MTD
- Revvity, Inc. RVTY
- Bio-Rad Laboratories, Inc. BIO
- Bruker Corp BRKR
- 10x Genomics, Inc. TXG
Source: SEC EDGAR filings. This is company-reported data, not investment advice.