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Avista Corp. SEC filings

Avista (AVA) filed its 10-Q for the quarter ended 30 June 2026 on 3 August 2026. Its latest SEC filing, on 19 August 2026, was an 8-K: charter or bylaw amendment, or fiscal year change. 22 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 Avista Corp. filed 22 documents with the SEC of the kinds listed here: 13 current reports (8-K), about 5 regulation FD disclosure; 4 other events; 3 results of operations; 1 charter or bylaw amendment, or fiscal year change; 1 officer or director change; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 employee share plan registration (S-8), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A). The latest, filed 19 August 2026: 8-K, charter or bylaw amendment, or fiscal year change. 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
19 August 20268-KCharter or bylaw amendment, or fiscal year change17 August 2026EDGAR
3 August 20268-KOther events1 August 2026EDGAR
3 August 20268-KResults of operations, Regulation FD disclosure3 August 2026EDGAR
3 August 202610-Qquarterly report30 June 2026EDGAR
2 July 20268-KOfficer or director change2 July 2026EDGAR
26 June 202611-Kemployee plan annual report31 December 2025EDGAR
12 June 20268-KOther events12 June 2026EDGAR
2 June 20268-KOther events29 May 2026EDGAR
20 May 20268-KMaterial agreement, New financial obligation, Shareholder vote14 May 2026EDGAR
13 May 20268-KRegulation FD disclosure13 May 2026EDGAR
5 May 20268-KAcquisition or disposition completed, Regulation FD disclosure5 May 2026EDGAR
5 May 202610-Qquarterly report31 March 2026EDGAR
27 April 2026S-8employee share plan registrationEDGAR
1 April 2026ARSannual report to shareholders31 December 2025EDGAR
1 April 2026DEFA14Aadditional proxy materialEDGAR
1 April 2026DEF 14Aproxy statement14 May 2026EDGAR
4 March 20268-KRegulation FD disclosure27 February 2026EDGAR
25 February 20268-KResults of operations, Regulation FD disclosure25 February 2026EDGAR
25 February 202610-Kannual report31 December 2025EDGAR
16 January 20268-KOther events16 January 2026EDGAR
5 November 20258-KResults of operations5 November 2025EDGAR
5 November 202510-Qquarterly report30 September 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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