Avantor, Inc.
48 SEC EDGAR filings indexed (CIK 0001722482) across 10 form types.
Filing profile
Avantor, Inc. (AVTR) has 48 SEC filings indexed on SecFilingDex, across 10 form types filed over roughly 3 years, from February 16, 2024 to August 20, 2026. The filer is classified under Laboratory Analytical Instruments (SIC 3826).
Its most frequent disclosure is the Form 4 (Insider transaction) with 8 filings — Statement of changes in beneficial ownership filed by company officers, directors, and 10%+ owners. 30 of these filings were disclosed in the twelve months to August 20, 2026. 7 of the 48 are amendments (a corrected or updated version of an earlier filing).
Disclosure mix
- 8Form 4Insider transaction · within 2 business days of transaction
- 88-KMaterial event · event-driven
- 810-QQuarterly report · quarterly
- 8Form 3Initial insider ownership · within 10 days of becoming an insider
- 5SC 13G/A5%+ passive stake · event-driven
- 3DEF 14AProxy statement · annual (pre-meeting)
- 3DEFA14ASEC filing
- 28-K/AMaterial event · event-driven
- 210-KAnnual report · annual
- 1PRE 14ASEC filing
Profile derived from 48 indexed filings; every figure traces to the filing records above, each linking back to its original SEC EDGAR document. Filing counts reflect SecFilingDex's current index, not the filer's complete EDGAR history.
All filings
- Form 4Insider transaction · period of report Aug 18, 2026Filed · 0001628280-26-058303
- Form 4Insider transaction · period of report Aug 14, 2026Filed · 0001628280-26-057645
- Form 4Insider transaction · period of report Jul 31, 2026Filed · 0001628280-26-052722
- 8-KMaterial event · period of report Jul 29, 2026Filed · 0001628280-26-050333
- 10-QQuarterly report · period of report Jun 30, 2026Filed · 0001628280-26-050415
- Form 4Insider transaction · period of report Jul 24, 2026Filed · 0001628280-26-049853
- 8-KMaterial event · period of report Jul 14, 2026Filed · 0001628280-26-048676
- Form 4Insider transaction · period of report Jun 21, 2026Filed · 0001628280-26-044719
- 8-KMaterial event · period of report May 7, 2026Filed · 0001628280-26-034146
- Form 4Insider transaction · period of report May 7, 2026Filed · 0001628280-26-033604
- Form 4Insider transaction · period of report May 7, 2026Filed · 0001628280-26-033605
- Form 4Insider transaction · period of report May 7, 2026Filed · 0001628280-26-033606
- Form 3Initial insider ownership · period of report May 1, 2026Filed · 0001628280-26-030824
- 8-KMaterial event · period of report Apr 29, 2026Filed · 0001628280-26-028078
- 10-QQuarterly reportFiled · 0001628280-26-028141
- 8-KMaterial event · period of report Apr 17, 2026Filed · 0001628280-26-026905
- 8-KMaterial event · period of report Mar 26, 2026Filed · 0001628280-26-022575
- DEF 14AProxy statement · period of report May 7, 2026Filed · 0001628280-26-021572
- DEFA14ASEC filingFiled · 0001628280-26-021573
- 8-K/AMaterial event · period of report Dec 4, 2025Filed · 0001628280-26-011722
- 8-K/AMaterial event · period of report Dec 17, 2025Filed · 0001628280-26-011727
- 10-KAnnual report · period of report Dec 31, 2025Filed · 0001628280-26-007118
- 8-KMaterial event · period of report Feb 11, 2026Filed · 0001628280-26-007120
- Form 3Initial insider ownership · period of report Jan 2, 2026Filed · 0001628280-26-001870
- 8-KMaterial event · period of report Dec 17, 2025Filed · 0001628280-25-057805
- Form 3Initial insider ownership · period of report Dec 5, 2025Filed · 0001628280-25-056167
- Form 3Initial insider ownership · period of report Nov 10, 2025Filed · 0001628280-25-051681
- 10-QQuarterly report · period of report Sep 30, 2025Filed · 0001628280-25-046936
- Form 3Initial insider ownership · period of report Oct 3, 2025Filed · 0001722482-25-000216
- Form 3Initial insider ownership · period of report Aug 18, 2025Filed · 0001722482-25-000206
- 10-QQuarterly report · period of report Jun 30, 2025Filed · 0001722482-25-000190
- 10-QQuarterly report · period of report Mar 31, 2025Filed · 0001722482-25-000080
- Form 3Initial insider ownership · period of report Mar 31, 2025Filed · 0001722482-25-000061
- DEF 14AProxy statement · period of report May 8, 2025Filed · 0000950170-25-046778
- DEFA14ASEC filingFiled · 0000950170-25-046815
- 10-KAnnual report · period of report Dec 31, 2024Filed · 0001722482-25-000015
- SC 13G/A5%+ passive stakeFiled · 0001897612-24-001974
- Form 3Initial insider ownership · period of report Nov 4, 2024Filed · 0002043398-24-000001
- 10-QQuarterly report · period of report Sep 30, 2024Filed · 0001722482-24-000163
- SC 13G/A5%+ passive stakeFiled · 0001193125-24-197787
- SC 13G/A5%+ passive stakeFiled · 0001086364-24-008365
- 10-QQuarterly report · period of report Jun 30, 2024Filed · 0001722482-24-000145
- SC 13G/A5%+ passive stakeFiled · 0001897612-24-001374
- 10-QQuarterly report · period of report Mar 31, 2024Filed · 0001722482-24-000102
- DEF 14AProxy statement · period of report May 9, 2024Filed · 0001193125-24-082080
- DEFA14ASEC filingFiled · 0001193125-24-082091
- PRE 14ASEC filing · period of report May 9, 2024Filed · 0001193125-24-071347
- SC 13G/A5%+ passive stakeFiled · 0000080255-24-000819
Authoritative source
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