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Avantor, Inc. SEC filings

In the twelve months since 9 October 2025 Avantor, Inc. filed 26 documents with the SEC of the kinds listed here: 18 current reports (8-K), about 11 officer or director change; 9 regulation fd disclosure; 4 results of operations; 2 material agreement; 2 new financial obligation; 3 quarterly reports (10-Q), 1 conflict minerals report (SD), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report to shareholders (ARS), 1 annual report (10-K). The latest, filed 21 September 2026: 8-K, officer or director change, regulation fd disclosure.

FiledFormWhat it was aboutPeriod or event dateFiling
21 September 20268-KOfficer or director change, Regulation FD disclosure17 September 2026EDGAR
21 September 20268-KOfficer or director change, Regulation FD disclosure17 September 2026EDGAR
27 August 20268-K/AOfficer or director change17 April 2026EDGAR
29 July 202610-Qquarterly report30 June 2026EDGAR
29 July 20268-KResults of operations29 July 2026EDGAR
17 July 20268-KMaterial agreement, New financial obligation14 July 2026EDGAR
29 May 2026SDconflict minerals reportEDGAR
12 May 20268-KShareholder vote7 May 2026EDGAR
29 April 202610-Qquarterly report31 March 2026EDGAR
29 April 20268-KResults of operations29 April 2026EDGAR
23 April 20268-KOfficer or director change, Regulation FD disclosure17 April 2026EDGAR
1 April 20268-KOfficer or director change, Regulation FD disclosure26 March 2026EDGAR
27 March 2026DEFA14Aadditional proxy materialEDGAR
27 March 2026DEF 14Aproxy statement7 May 2026EDGAR
27 March 2026ARSannual report to shareholders31 December 2025EDGAR
25 February 20268-K/AOfficer or director change17 December 2025EDGAR
25 February 20268-K/AOfficer or director change4 December 2025EDGAR
11 February 20268-KResults of operations, Regulation FD disclosure11 February 2026EDGAR
11 February 202610-Kannual report31 December 2025EDGAR
18 December 20258-KOfficer or director change, Regulation FD disclosure17 December 2025EDGAR
4 December 20258-KOfficer or director change, Regulation FD disclosure4 December 2025EDGAR
10 November 20258-KOfficer or director change, Regulation FD disclosure26 October 2025EDGAR
29 October 202510-Qquarterly report30 September 2025EDGAR
29 October 20258-KResults of operations29 October 2025EDGAR
14 October 20258-KMaterial agreement, Termination of a material agreement, New financial obligation, Other events9 October 2025EDGAR
14 October 20258-KOfficer or director change, Regulation FD disclosure10 October 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

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