Avista Corp SEC filings AVA

Avista Corp has 1,010 filings in SEC EDGAR's recent list, going back to Jan 4, 2018. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Avista Corp SEC filings
Form Description Filed Period
8-K Current report
Results of operations, Regulation FD disclosure
Nov 4, 2026 Nov 4, 2026
10-Q Quarterly report Nov 4, 2026 Sep 30, 2026
8-K Current report
Bylaw or fiscal year change
Aug 19, 2026 Aug 17, 2026
8-K Current report
Other events
Aug 3, 2026 Aug 1, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Aug 3, 2026 Aug 3, 2026
10-Q Quarterly report Aug 3, 2026 Jun 30, 2026
8-K Current report
Officer or director change
Jul 2, 2026 Jul 2, 2026
11-K Employee savings plan report Jun 26, 2026 Dec 31, 2025
8-K Current report
Other events
Jun 12, 2026 Jun 12, 2026
8-K Current report
Other events
Jun 2, 2026 May 29, 2026
8-K Current report
Material agreement, New debt, Shareholder vote results
May 20, 2026 May 14, 2026
8-K Current report
Regulation FD disclosure
May 13, 2026 May 13, 2026
8-K Current report
Acquisition or sale of assets, Regulation FD disclosure
May 5, 2026 May 5, 2026
10-Q Quarterly report May 5, 2026 Mar 31, 2026
S-8 Employee stock plan registration Apr 27, 2026 —
ARS Annual report to shareholders Apr 1, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 1, 2026 —
DEF 14A Proxy statement Apr 1, 2026 May 14, 2026
8-K Current report
Regulation FD disclosure
Mar 4, 2026 Feb 27, 2026
10-K Annual report Feb 25, 2026 Dec 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Feb 25, 2026 Feb 25, 2026
8-K Current report
Other events
Jan 16, 2026 Jan 16, 2026
8-K Current report
Results of operations
Nov 5, 2025 Nov 5, 2025
10-Q Quarterly report Nov 5, 2025 Sep 30, 2025
424B5 Prospectus supplement Aug 8, 2025 —
8-K Current report
Results of operations
Aug 6, 2025 Aug 6, 2025
10-Q Quarterly report Aug 6, 2025 Jun 30, 2025
8-K Current report
Material agreement, New debt
Jul 25, 2025 Jul 23, 2025
11-K Employee savings plan report Jun 23, 2025 Dec 31, 2024
8-K Current report
Other events
Jun 11, 2025 Jun 9, 2025
8-K Current report
Shareholder vote results
May 13, 2025 May 8, 2025
424B5 Prospectus supplement May 7, 2025 —
S-3ASR Automatic shelf registration May 7, 2025 —
8-K Current report
Results of operations
May 7, 2025 May 7, 2025
10-Q Quarterly report May 7, 2025 Mar 31, 2025
ARS Annual report to shareholders Mar 26, 2025 Dec 31, 2024
DEFA14A Additional proxy material Mar 26, 2025 —
DEF 14A Proxy statement Mar 26, 2025 May 8, 2025
8-K Current report
Results of operations
Feb 26, 2025 Feb 26, 2025
10-K Annual report Feb 26, 2025 Dec 31, 2024
8-K Current report
Other events
Feb 6, 2025 Jan 31, 2025
8-K Current report
Other events
Dec 26, 2024 Dec 20, 2024
8-K Current report
Results of operations
Nov 6, 2024 Nov 6, 2024
10-Q Quarterly report Nov 6, 2024 Sep 30, 2024
8-K Current report
Officer or director change
Aug 26, 2024 Aug 22, 2024
8-K Current report
Results of operations
Aug 7, 2024 Aug 7, 2024
10-Q Quarterly report Aug 7, 2024 Jun 30, 2024
11-K Employee savings plan report Jun 26, 2024 Dec 31, 2023
8-K Current report
Other events
May 7, 2024 May 7, 2024
8-K Current report
Shareholder vote results
May 7, 2024 May 1, 2024
424B5 Prospectus supplement May 7, 2024 —
8-K Current report
Results of operations
May 1, 2024 May 1, 2024
10-Q Quarterly report May 1, 2024 Mar 31, 2024
8-K Current report
Other events
Apr 3, 2024 Apr 1, 2024
ARS Annual report to shareholders Mar 20, 2024 Dec 31, 2023
DEFA14A Additional proxy material Mar 20, 2024 —
DEF 14A Proxy statement Mar 20, 2024 May 1, 2024
8-K Current report
Results of operations
Feb 21, 2024 Feb 21, 2024
10-K Annual report Feb 21, 2024 Dec 31, 2023
8-K Current report
Other events
Jan 23, 2024 Jan 18, 2024
8-K Current report
Other events
Dec 1, 2023 Nov 29, 2023
8-K Current report
Results of operations
Nov 1, 2023 Nov 1, 2023
10-Q Quarterly report Nov 1, 2023 Sep 30, 2023
8-K Current report
Officer or director change
Sep 7, 2023 Sep 7, 2023
8-K Current report
Other events
Aug 21, 2023 Aug 18, 2023
8-K Current report
Other events
Aug 8, 2023 Aug 3, 2023
424B5 Prospectus supplement Aug 2, 2023 —
8-K Current report
Results of operations
Aug 2, 2023 Aug 2, 2023
10-Q Quarterly report Aug 2, 2023 Jun 30, 2023
11-K Employee savings plan report Jun 27, 2023 Dec 31, 2022
8-K Current report
Other events
Jun 16, 2023 Jun 14, 2023
8-K Current report
New debt
Jun 12, 2023 Jun 8, 2023
8-K Current report
Shareholder vote results
May 17, 2023 May 11, 2023
8-K Current report
Results of operations, Officer or director change
May 3, 2023 May 2, 2023
10-Q Quarterly report May 3, 2023 Mar 31, 2023
8-K Current report
Material agreement, New debt
Mar 31, 2023 Mar 29, 2023
ARS Annual report to shareholders Mar 29, 2023 Dec 31, 2022
DEFA14A Additional proxy material Mar 28, 2023 —
DEF 14A Proxy statement Mar 28, 2023 —
8-K Current report
Other events
Mar 6, 2023 Mar 1, 2023
8-K Current report
Results of operations
Feb 22, 2023 Feb 22, 2023
10-K Annual report Feb 22, 2023 Dec 31, 2022
8-K Current report
Other events
Feb 6, 2023 Jan 30, 2023
8-K Current report
Material agreement
Jan 17, 2023 Jan 16, 2023
8-K Current report
Officer or director change
Jan 9, 2023 Jan 4, 2023
8-K Current report
Material agreement, New debt
Jan 5, 2023 Dec 29, 2022
8-K Current report
Other events
Dec 30, 2022 Dec 22, 2022
8-K Current report
Material agreement, New debt
Dec 20, 2022 Dec 14, 2022
8-K Current report
Other events
Dec 15, 2022 Dec 12, 2022
8-K Current report
Material agreement, New debt
Nov 30, 2022 Nov 29, 2022
8-K Current report
Results of operations
Nov 1, 2022 Nov 1, 2022
10-Q Quarterly report Nov 1, 2022 Sep 30, 2022
8-K Current report
Officer or director change
Aug 10, 2022 Aug 9, 2022
8-K Current report
Results of operations
Aug 3, 2022 Aug 3, 2022
10-Q Quarterly report Aug 3, 2022 Jun 30, 2022
8-K Current report
Other events
Jun 30, 2022 Jun 28, 2022
11-K Employee savings plan report Jun 24, 2022 Dec 31, 2021
8-K Current report
Shareholder vote results
May 18, 2022 May 12, 2022
424B5 Prospectus supplement May 9, 2022 —
S-3ASR Automatic shelf registration May 9, 2022 —
8-K Current report
Results of operations
May 4, 2022 May 4, 2022
10-Q Quarterly report May 4, 2022 Mar 31, 2022
DEFA14A Additional proxy material Mar 31, 2022 —
DEF 14A Proxy statement Mar 31, 2022 May 12, 2022
424B2 Prospectus Mar 10, 2022 —
8-K Current report
Other events
Mar 9, 2022 Mar 8, 2022
FWP Free writing prospectus Mar 8, 2022 —
424B3 Prospectus Mar 8, 2022 —
8-K Current report
Results of operations
Feb 23, 2022 Feb 23, 2022
10-K Annual report Feb 23, 2022 Dec 31, 2021
8-K Current report
Other events
Jan 25, 2022 Jan 21, 2022
8-K Current report
Results of operations
Nov 3, 2021 Nov 3, 2021
10-Q Quarterly report Nov 3, 2021 Sep 30, 2021
8-K Current report
Material agreement, New debt
Sep 30, 2021 Sep 28, 2021
8-K Current report
Other events
Sep 30, 2021 Sep 27, 2021
8-K Current report
Officer or director change
Aug 11, 2021 Aug 5, 2021
424B5 Prospectus supplement Aug 6, 2021 —
8-K Current report
Results of operations
Aug 4, 2021 Aug 4, 2021
10-Q Quarterly report Aug 4, 2021 Jun 30, 2021
8-K Current report
Officer or director change
Jun 23, 2021 Jun 21, 2021
8-K Current report
Other events
Jun 16, 2021 Jun 14, 2021
11-K Employee savings plan report Jun 11, 2021 Dec 31, 2020
8-K Current report
Material agreement, New debt
Jun 8, 2021 Jun 4, 2021
8-K Current report
Other events
May 18, 2021 May 14, 2021
8-K Current report
Shareholder vote results
May 14, 2021 May 11, 2021
8-K Current report
Results of operations
May 5, 2021 May 5, 2021
10-Q Quarterly report May 5, 2021 Mar 31, 2021
DEFA14A Additional proxy material Mar 31, 2021 —
DEF 14A Proxy statement Mar 31, 2021 May 11, 2021
8-K Current report
Officer or director change
Mar 10, 2021 Mar 10, 2021
8-K Current report
Results of operations
Feb 24, 2021 Feb 24, 2021
10-K Annual report Feb 24, 2021 Dec 31, 2020
8-K Current report
Other events
Feb 3, 2021 Jan 29, 2021
8-K Current report
Results of operations
Nov 4, 2020 Nov 4, 2020
10-Q Quarterly report Nov 4, 2020 Sep 30, 2020
8-K Current report
Material agreement, New debt
Oct 2, 2020 Sep 30, 2020
8-K Current report
Other events
Sep 21, 2020 Sep 18, 2020
8-K Current report
Results of operations
Aug 5, 2020 Aug 5, 2020
10-Q Quarterly report Aug 5, 2020 Jun 30, 2020
8-K Current report
Material agreement, New debt
Jun 8, 2020 Jun 4, 2020
11-K Employee savings plan report Jun 1, 2020 Dec 31, 2019
SD Specialized disclosure (conflict minerals) May 20, 2020 —
8-K Current report
Shareholder vote results
May 15, 2020 May 11, 2020
8-K Current report
Regulation FD disclosure
May 15, 2020 May 15, 2020
424B5 Prospectus supplement May 15, 2020 —
8-K Current report
Other events
May 15, 2020 May 14, 2020
8-K Current report
Results of operations
May 8, 2020 May 7, 2020
10-Q Quarterly report May 8, 2020 Mar 31, 2020
8-K Current report
Material agreement, New debt, Other events
Apr 8, 2020 Apr 6, 2020
DEFA14A Additional proxy material Mar 31, 2020 —
DEF 14A Proxy statement Mar 31, 2020 May 11, 2020
8-K Current report
Other events
Mar 27, 2020 Mar 25, 2020
8-K Current report
Other events
Mar 9, 2020 Mar 6, 2020
8-K Current report
Results of operations
Feb 26, 2020 Feb 25, 2020
10-K Annual report Feb 26, 2020 Dec 31, 2019
8-K Current report
Officer or director change
Feb 10, 2020 Feb 5, 2020
8-K Current report
Material agreement, New debt
Dec 2, 2019 Nov 26, 2019
8-K Current report
Other events
Nov 21, 2019 Nov 21, 2019
8-K Current report
Results of operations
Nov 7, 2019 Nov 6, 2019
10-Q Quarterly report Nov 7, 2019 Sep 30, 2019
8-K Current report
Other events
Oct 15, 2019 Oct 11, 2019
8-K Current report
Material agreement, Officer or director change
Aug 12, 2019 Aug 8, 2019
424B3 Prospectus Aug 8, 2019 —
8-K Current report
Results of operations
Aug 7, 2019 Aug 7, 2019
10-Q Quarterly report Aug 7, 2019 Jun 30, 2019
11-K Employee savings plan report Jun 21, 2019 Dec 31, 2018
8-K Current report
Officer or director change
Jun 17, 2019 Jun 14, 2019
8-K Current report
Other events
Jun 12, 2019 Jun 10, 2019
SD Specialized disclosure (conflict minerals) May 31, 2019 —
8-K Current report
Regulation FD disclosure
May 20, 2019 May 20, 2019
424B5 Prospectus supplement May 15, 2019 —
8-K Current report
Shareholder vote results
May 14, 2019 May 9, 2019
S-3ASR Automatic shelf registration May 13, 2019 —
8-K Current report
Officer or director change
May 13, 2019 May 10, 2019
10-12B/A Filing May 7, 2019 —
8-K Current report
Results of operations
May 2, 2019 May 2, 2019
10-Q Quarterly report May 1, 2019 Mar 31, 2019
DEFA14A Additional proxy material Mar 29, 2019 —
DEF 14A Proxy statement Mar 29, 2019 May 9, 2019
8-K Current report
Officer or director change
Mar 27, 2019 Mar 22, 2019
8-K Current report
Regulation FD disclosure
Mar 19, 2019 Mar 19, 2019
10-K Annual report Feb 20, 2019 Dec 31, 2018
8-K Current report
Results of operations
Feb 8, 2019 Feb 8, 2019
8-K Current report
Material agreement, Agreement ended, Other events
Jan 24, 2019 Jan 23, 2019
8-K Current report
Other events
Jan 18, 2019 Jan 15, 2019
8-K Current report
Other events
Jan 9, 2019 Jan 8, 2019
8-K Current report
Other events
Jan 4, 2019 Jan 3, 2019
8-K Current report
Other events
Dec 19, 2018 Dec 17, 2018
8-K Current report
Other events
Dec 11, 2018 Dec 10, 2018
8-K Current report
Other events
Dec 6, 2018 Dec 5, 2018
8-K Current report
Results of operations
Nov 7, 2018 Nov 7, 2018
10-Q Quarterly report Nov 7, 2018 Sep 30, 2018
8-K Current report
Other events
Sep 24, 2018 Sep 19, 2018
UPLOAD Letter from the SEC Aug 28, 2018 —
CORRESP Letter to the SEC Aug 23, 2018 —
UPLOAD Letter from the SEC Aug 14, 2018 —
8-K Current report
Other events
Aug 10, 2018 Aug 7, 2018
8-K Current report
Results of operations
Aug 1, 2018 Aug 1, 2018
10-Q Quarterly report Aug 1, 2018 Jun 30, 2018
11-K Employee savings plan report Jun 27, 2018 Dec 31, 2017

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
Electric & Other Services Combined (SIC 4931)
Listed as
AVA (NYSE)
Fiscal year ends
December 31
Incorporated in
WA
Headquarters
Spokane, WA
SEC filer status
Large accelerated filer
SEC CIK
104918
Former names
WASHINGTON WATER POWER CO (until Dec 10, 1998)

Other Electric & Other Services Combined companies

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