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.

Avantor, Inc. SEC filings
Form Description Filed Period
8-K Current report
Officer or director change
Nov 3, 2026 Oct 30, 2026
10-Q Quarterly report Oct 28, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 28, 2026 Oct 28, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 21, 2026 Sep 17, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 21, 2026 Sep 17, 2026
8-K/A Amended current report
Officer or director change
Aug 27, 2026 Apr 17, 2026
10-Q Quarterly report Jul 29, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 29, 2026 Jul 29, 2026
8-K Current report
Material agreement, New debt
Jul 17, 2026 Jul 14, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
8-K Current report
Shareholder vote results
May 12, 2026 May 7, 2026
UPLOAD Letter from the SEC May 6, 2026 —
10-Q Quarterly report Apr 29, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 29, 2026 Apr 29, 2026
CORRESP Letter to the SEC Apr 27, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure
Apr 23, 2026 Apr 17, 2026
UPLOAD Letter from the SEC Apr 13, 2026 —
8-K Current report
Officer or director change, Regulation FD disclosure
Apr 1, 2026 Mar 26, 2026
ARS Annual report to shareholders Mar 27, 2026 Dec 31, 2025
DEFA14A Additional proxy material Mar 27, 2026 —
DEF 14A Proxy statement Mar 27, 2026 May 7, 2026
8-K/A Amended current report
Officer or director change
Feb 25, 2026 Dec 17, 2025
8-K/A Amended current report
Officer or director change
Feb 25, 2026 Dec 4, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Feb 11, 2026 Feb 11, 2026
10-K Annual report Feb 11, 2026 Dec 31, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 18, 2025 Dec 17, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 4, 2025 Dec 4, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Nov 10, 2025 Oct 26, 2025
10-Q Quarterly report Oct 29, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 29, 2025 Oct 29, 2025
8-K Current report
Material agreement, Agreement ended, New debt, Other events
Oct 14, 2025 Oct 9, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Oct 14, 2025 Oct 10, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Oct 3, 2025 Oct 1, 2025
8-K Current report
Officer or director change
Aug 13, 2025 Aug 7, 2025
10-Q Quarterly report Aug 1, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 1, 2025 Aug 1, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 21, 2025 Jul 15, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
8-K Current report
Officer or director change, Shareholder vote results
May 12, 2025 May 8, 2025
8-K Current report
Officer or director change
Apr 28, 2025 Apr 24, 2025
10-Q Quarterly report Apr 25, 2025 Mar 31, 2025
8-K Current report
Results of operations
Apr 25, 2025 Apr 25, 2025
ARS Annual report to shareholders Mar 28, 2025 Dec 31, 2024
DEFA14A Additional proxy material Mar 28, 2025 —
DEF 14A Proxy statement Mar 28, 2025 May 8, 2025
10-K Annual report Feb 7, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 7, 2025 Feb 7, 2025
8-K Current report
Officer or director change
Jan 8, 2025 Jan 6, 2025
8-K Current report
Officer or director change, Regulation FD disclosure
Nov 6, 2024 Nov 4, 2024
10-Q Quarterly report Oct 25, 2024 Sep 30, 2024
8-K Current report
Results of operations
Oct 25, 2024 Oct 25, 2024
10-Q Quarterly report Jul 26, 2024 Jun 30, 2024
8-K Current report
Results of operations
Jul 26, 2024 Jul 26, 2024
8-K Current report
Officer or director change
Jul 3, 2024 Jun 27, 2024
8-K Current report
Officer or director change, Regulation FD disclosure
Jun 21, 2024 Jun 21, 2024
SD Specialized disclosure (conflict minerals) May 31, 2024 —
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
May 10, 2024 May 9, 2024
10-Q Quarterly report Apr 26, 2024 Mar 31, 2024
8-K Current report
Results of operations
Apr 26, 2024 Apr 26, 2024
8-K Current report
Material agreement, New debt, Officer or director change
Apr 5, 2024 Apr 2, 2024
ARS Annual report to shareholders Mar 29, 2024 Dec 31, 2023
DEFA14A Additional proxy material Mar 29, 2024 —
DEF 14A Proxy statement Mar 29, 2024 May 9, 2024
PRE 14A Preliminary proxy statement Mar 19, 2024 May 9, 2024
8-K Current report
Bylaw or fiscal year change
Feb 28, 2024 Feb 23, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Feb 14, 2024 Feb 14, 2024
10-K Annual report Feb 14, 2024 Dec 31, 2023
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 7, 2023 Dec 1, 2023
10-Q Quarterly report Oct 27, 2023 Sep 30, 2023
8-K Current report
Results of operations
Oct 27, 2023 Oct 27, 2023
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 26, 2023 Sep 21, 2023
10-Q Quarterly report Jul 28, 2023 Jun 30, 2023
8-K Current report
Results of operations
Jul 28, 2023 Jul 28, 2023
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 13, 2023 Jul 13, 2023
8-K Current report
Material agreement, New debt
Jul 5, 2023 Jun 29, 2023
SD Specialized disclosure (conflict minerals) May 30, 2023 —
8-K Current report
Officer or director change, Regulation FD disclosure
May 15, 2023 May 9, 2023
8-K Current report
Shareholder vote results
May 11, 2023 May 11, 2023
10-Q Quarterly report Apr 28, 2023 Mar 31, 2023
8-K Current report
Results of operations
Apr 28, 2023 Apr 28, 2023
ARS Annual report to shareholders Mar 31, 2023 Dec 31, 2022
DEFA14A Additional proxy material Mar 31, 2023 —
DEF 14A Proxy statement Mar 31, 2023 —
10-K Annual report Feb 14, 2023 Dec 31, 2022
8-K Current report
Results of operations
Feb 3, 2023 Feb 3, 2023
8-K Current report
Officer or director change
Nov 18, 2022 Nov 16, 2022
10-Q Quarterly report Oct 28, 2022 Sep 30, 2022
8-K Current report
Results of operations
Oct 28, 2022 Oct 28, 2022
8-K Current report
Regulation FD disclosure
Sep 13, 2022 Sep 12, 2022
10-Q Quarterly report Jul 29, 2022 Jun 30, 2022
8-K Current report
Results of operations
Jul 28, 2022 Jul 28, 2022
15-12B Deregistration May 31, 2022 —
SD Specialized disclosure (conflict minerals) May 31, 2022 —
8-K Current report
Listing notice, Bylaw or fiscal year change, Other events
May 17, 2022 May 16, 2022
25-NSE Delisting notice May 16, 2022 —
8-K Current report
Shareholder vote results
May 13, 2022 May 12, 2022
10-Q Quarterly report Apr 29, 2022 Mar 31, 2022
8-K Current report
Results of operations
Apr 28, 2022 Apr 28, 2022
DEFA14A Additional proxy material Apr 1, 2022 —
DEF 14A Proxy statement Apr 1, 2022 May 12, 2022
8-K Current report
Officer or director change, Regulation FD disclosure
Feb 15, 2022 Feb 10, 2022
10-K Annual report Feb 11, 2022 Dec 31, 2021
8-K Current report
Results of operations
Feb 3, 2022 Feb 3, 2022
8-K Current report
Officer or director change
Nov 10, 2021 Nov 8, 2021
8-K Current report
Material agreement, New debt, Officer or director change
Nov 2, 2021 Oct 28, 2021
10-Q Quarterly report Oct 29, 2021 Sep 30, 2021
8-K Current report
Results of operations
Oct 28, 2021 Oct 28, 2021
8-K Current report
Material agreement, New debt
Oct 26, 2021 Oct 26, 2021
8-K Current report
Other events
Oct 20, 2021 Oct 19, 2021
8-K Current report
Results of operations
Oct 12, 2021 Oct 12, 2021
8-K Current report
Material agreement
Sep 16, 2021 Sep 13, 2021
424B5 Prospectus supplement Sep 15, 2021 —
424B5 Prospectus supplement Sep 13, 2021 —
POSASR Filing Sep 13, 2021 —
8-K/A Amended current report
Officer or director change
Aug 18, 2021 Jul 15, 2021
8-K/A Amended current report
Officer or director change
Aug 18, 2021 May 13, 2021
10-Q Quarterly report Jul 30, 2021 Jun 30, 2021
8-K Current report
Results of operations
Jul 29, 2021 Jul 29, 2021
8-K Current report
Officer or director change
Jul 19, 2021 Jul 15, 2021
8-K Current report
Material agreement
Jul 9, 2021 Jul 7, 2021
8-K Current report
Material agreement, New debt
Jun 14, 2021 Jun 10, 2021
SD Specialized disclosure (conflict minerals) Jun 1, 2021 —
8-K Current report
Change to shareholder rights, Officer or director change, Shareholder vote results
May 17, 2021 May 13, 2021
DEFA14A Additional proxy material Apr 29, 2021 —
8-K Current report
Officer or director change
Apr 29, 2021 Apr 29, 2021
10-Q Quarterly report Apr 28, 2021 Mar 31, 2021
8-K Current report
Results of operations
Apr 28, 2021 Apr 28, 2021
DEF 14A Proxy statement Apr 13, 2021 May 13, 2021
8-K Current report
Agreement ended, Officer or director change
Apr 13, 2021 Apr 11, 2021
PRE 14A Preliminary proxy statement Mar 19, 2021 May 13, 2021
10-K Annual report Feb 16, 2021 Dec 31, 2020
8-K Current report
Results of operations
Feb 3, 2021 Feb 3, 2021
8-K Current report
Bylaw or fiscal year change, Other events
Jan 28, 2021 Jan 23, 2021
8-K Current report
Results of operations
Jan 11, 2021 Jan 11, 2021
8-K Current report
Material agreement
Nov 10, 2020 Nov 5, 2020
424B7 Filing Nov 9, 2020 —
8-K Current report
Material agreement, Agreement ended, New debt
Nov 6, 2020 Nov 6, 2020
424B7 Filing Nov 4, 2020 —
8-K Current report
Other events
Oct 30, 2020 Oct 30, 2020
8-K Current report
Other events
Oct 28, 2020 Oct 28, 2020
10-Q Quarterly report Oct 27, 2020 Sep 30, 2020
8-K Current report
Results of operations
Oct 27, 2020 Oct 27, 2020
8-K Current report
Results of operations
Oct 23, 2020 Oct 23, 2020
8-K Current report
Material agreement
Aug 21, 2020 Aug 19, 2020
424B7 Filing Aug 21, 2020 —
424B7 Filing Aug 20, 2020 —
S-3ASR Automatic shelf registration Aug 19, 2020 —
10-Q Quarterly report Jul 29, 2020 Jun 30, 2020
8-K Current report
Results of operations
Jul 29, 2020 Jul 29, 2020
8-K Current report
Material agreement, Agreement ended, New debt
Jul 17, 2020 Jul 17, 2020
8-K Current report
Material agreement
Jul 14, 2020 Jul 14, 2020
8-K Current report
Other events
Jul 10, 2020 Jul 7, 2020
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Jul 7, 2020 Jul 7, 2020
SD Specialized disclosure (conflict minerals) Jun 2, 2020 —
8-K Current report
Material agreement
May 26, 2020 May 20, 2020
424B4 Prospectus May 21, 2020 —
EFFECT Filing May 20, 2020 —
CORRESP Letter to the SEC May 18, 2020 —
CORRESP Letter to the SEC May 18, 2020 —
CORRESP Letter to the SEC May 18, 2020 —
CORRESP Letter to the SEC May 18, 2020 —
S-1 Registration statement May 18, 2020 —
8-K Current report
Other events
May 18, 2020 May 18, 2020
8-K Current report
Officer or director change, Shareholder vote results
May 8, 2020 May 8, 2020
8-K Current report
Regulation FD disclosure
Apr 29, 2020 Apr 29, 2020
10-Q Quarterly report Apr 29, 2020 Mar 31, 2020
8-K Current report
Results of operations
Apr 29, 2020 Apr 29, 2020
DEFA14A Additional proxy material Apr 24, 2020 —
8-K Current report
Officer or director change
Apr 22, 2020 Apr 22, 2020
DEF 14A Proxy statement Apr 8, 2020 May 7, 2020
8-K Current report
Material agreement, Agreement ended, New debt
Mar 30, 2020 Mar 30, 2020
10-K Annual report Feb 14, 2020 Dec 31, 2019
8-K Current report
Results of operations
Feb 7, 2020 Feb 7, 2020
UPLOAD Letter from the SEC Feb 5, 2020 —
DRS Filing Jan 30, 2020 —
8-K Current report
Material agreement
Jan 27, 2020 Jan 24, 2020
S-8 Employee stock plan registration Nov 14, 2019 —
8-K/A Amended current report
Results of operations
Nov 5, 2019 Nov 5, 2019
10-Q Quarterly report Nov 5, 2019 Sep 30, 2019
8-K Current report
Results of operations
Nov 5, 2019 Nov 5, 2019
8-K Current report
Officer or director change
Sep 24, 2019 Sep 18, 2019
10-Q Quarterly report Aug 6, 2019 Jun 30, 2019
8-K Current report
Results of operations
Aug 6, 2019 Aug 6, 2019
8-K Current report
Material agreement
Jun 18, 2019 Jun 18, 2019
8-K Current report
Officer or director change
May 29, 2019 May 23, 2019
8-K Current report
Material agreement, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
May 21, 2019 May 21, 2019
424B4 Prospectus May 20, 2019 —
424B4 Prospectus May 20, 2019 —
S-8 Employee stock plan registration May 17, 2019 —
FWP Free writing prospectus May 17, 2019 —
EFFECT Filing May 16, 2019 —
S-1MEF Filing May 16, 2019 —
S-1/A Amended registration statement May 16, 2019 —
S-1/A Amended registration statement May 16, 2019 —
FWP Free writing prospectus May 16, 2019 —
CORRESP Letter to the SEC May 14, 2019 —
CORRESP Letter to the SEC May 14, 2019 —
CORRESP Letter to the SEC May 14, 2019 —
CERT Nyse certification May 14, 2019 —
8-A12B Filing May 13, 2019 —

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.

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

Source: SEC EDGAR filings. This is company-reported data, not investment advice.