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Alpha & Omega Semiconductor Ltd. SEC filings

Alpha & Omega Semiconductor (AOSL) filed its 10-K for the year ended 30 June 2026 on 27 August 2026. Its latest SEC filing, on 30 September 2026, was an ARS: annual report to shareholders. 18 filings in the last twelve months, each 8-K by what it was about; the 10-K and proxy statement are on the documents page.

In the twelve months since 11 October 2025 Alpha & Omega Semiconductor Ltd. filed 18 documents with the SEC of the kinds listed here: 9 current reports (8-K), about 4 results of operations; 3 officer or director change; 1 acquisition or disposition completed; 1 shareholder vote; 3 quarterly reports (10-Q), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 employee share plan registration (S-8), 1 annual report (10-K). The latest, filed 30 September 2026: ARS, annual report to shareholders. The 10-K, the 10-Qs and the proxy statement themselves, each with a link to open it, are on the documents page.

FiledFormWhat it was aboutPeriod or event dateFiling
30 September 2026ARSannual report to shareholders30 June 2026EDGAR
30 September 2026DEFA14Aadditional proxy materialEDGAR
30 September 2026DEF 14Aproxy statement30 June 2026EDGAR
27 August 2026S-8employee share plan registrationEDGAR
27 August 202610-Kannual report30 June 2026EDGAR
12 August 20268-KResults of operations12 August 2026EDGAR
10 July 20268-KOfficer or director change8 July 2026EDGAR
12 May 20268-KAcquisition or disposition completed11 May 2026EDGAR
6 May 202610-Qquarterly report31 March 2026EDGAR
6 May 20268-KResults of operations6 May 2026EDGAR
17 April 20268-KOfficer or director change13 April 2026EDGAR
9 March 20268-KOfficer or director change5 March 2026EDGAR
27 February 2026SDconflict minerals reportEDGAR
5 February 202610-Qquarterly report31 December 2025EDGAR
5 February 20268-KResults of operations5 February 2026EDGAR
17 November 20258-KShareholder vote11 November 2025EDGAR
6 November 202510-Qquarterly report30 September 2025EDGAR
5 November 20258-KResults of operations5 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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