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Advanced Drainage Systems, Inc. SEC filings

In the twelve months since 9 October 2025 Advanced Drainage Systems, Inc. filed 20 documents with the SEC of the kinds listed here: 12 current reports (8-K), about 11 regulation fd disclosure; 4 results of operations; 4 other events; 2 material agreement; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 5 October 2026: 8-K, material agreement, regulation fd disclosure.

FiledFormWhat it was aboutPeriod or event dateFiling
5 October 20268-KMaterial agreement, Regulation FD disclosure1 October 2026EDGAR
16 September 202611-Kemployee plan annual report31 March 2026EDGAR
6 August 202610-Qquarterly report30 June 2026EDGAR
6 August 20268-KResults of operations, Regulation FD disclosure, Other events6 August 2026EDGAR
16 July 20268-KShareholder vote16 July 2026EDGAR
18 June 20268-KRegulation FD disclosure18 June 2026EDGAR
3 June 2026ARSannual report to shareholders31 March 2026EDGAR
3 June 2026DEFA14Aadditional proxy materialEDGAR
3 June 2026DEF 14Aproxy statement31 March 2026EDGAR
21 May 20268-KRegulation FD disclosure21 May 2026EDGAR
21 May 202610-Kannual report31 March 2026EDGAR
21 May 20268-KResults of operations, Regulation FD disclosure, Other events21 May 2026EDGAR
27 February 20268-KMaterial agreement, New financial obligation, Regulation FD disclosure27 February 2026EDGAR
12 February 20268-KRegulation FD disclosure12 February 2026EDGAR
12 February 20268-KRegulation FD disclosure12 February 2026EDGAR
5 February 202610-Qquarterly report31 December 2025EDGAR
5 February 20268-KResults of operations, Regulation FD disclosure, Other events5 February 2026EDGAR
2 February 20268-KAcquisition or disposition completed, Regulation FD disclosure2 February 2026EDGAR
6 November 202510-Qquarterly report30 September 2025EDGAR
6 November 20258-KResults of operations, Regulation FD disclosure, Other events6 November 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

The company's filing index on EDGAR, read from the SEC's submissions feed.

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