AVISTA CORP — 424B5 Filings
22 424B5 filings on record
This page lists all 424B5 filings submitted to the SEC by AVISTA CORP (AVA), sorted by most recent first. Each row links to the full filing on EdgarLookup. AVISTA CORP has filed 22 424B5 documents with the SEC since 2017. To view all SEC filings by AVISTA CORP, see the full filings list.
All
10-12B/A
10-K
10-K/A
10-K405
10-Q
11-K
11-K/A
144
25-NSE
3
3/A
4
4/A
424B1
424B2
424B3
424B5
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DFAN14A
EFFECT
FWP
NO ACT
POS AM
PRE 14A
PREM14A
S-3
S-3/A
S-3ASR
S-3D
S-4
S-4/A
S-8
S-8 POS
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001193125-25-176500 | Aug 8, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-114848 | May 7, 2025 | — |
| 424B5 | 424B5 | 0001193125-24-133197 | May 7, 2024 | — |
| 424B5 | 424B5 | 0001193125-23-201495 | Aug 2, 2023 | — |
| 424B5 | 424B5 | 0001193125-22-144899 | May 9, 2022 | — |
| 424B5 | 424B5 | 0001193125-21-238845 | Aug 6, 2021 | — |
| 424B5 | 424B5 | 0001193125-20-142952 | May 15, 2020 | — |
| 424B5 | 424B5 | 0001193125-19-146737 | May 15, 2019 | — |
| 424B5 | 424B5 | 0000104918-16-000200 | Mar 2, 2016 | — |
| 424B5 | 424B5 | 0001193125-12-346278 | Aug 9, 2012 | — |
| 424B5 | 424B5 | 0000950123-09-071258 | Dec 16, 2009 | — |
| 424B5 | PROSPECTUS SUPPLEMENT | 0000950134-08-005472 | Mar 27, 2008 | — |
| 424B5 | PROSPECTUS SUPPLEMENT PURSUANT TO RULE 424(B)(5) | 0000950124-06-007814 | Dec 22, 2006 | — |
| 424B5 | FORM 424(B)(5) | 0000891020-06-000390 | Dec 12, 2006 | — |
| 424B5 | FILED PURSUANT TO RULE 424(B)(5) | 0000891020-06-000387 | Dec 11, 2006 | — |
| 424B5 | FORM 424B5 | 0001193125-05-234278 | Nov 30, 2005 | — |
| 424B5 | FORM 424(B)5 | 0001193125-05-224926 | Nov 14, 2005 | — |
| 424B5 | — | 0000930413-04-005292 | Nov 19, 2004 | — |
| 424B5 | PROSPECTUS SUPPLEMENT | 0001193125-03-045460 | Sep 4, 2003 | — |
| 424B5 | 424B5 FOR AVISTA CORPORATION | 0000950120-00-000208 | Aug 16, 2000 | — |
| 424B5 | PROSPECTUS SUPPLEMENT | 0000950120-99-000310 | Aug 19, 1999 | — |
| 424B5 | PROSPECTUS SUPPLEMENT OF WASHINGTON WATER POWER CO | 0000950120-94-000014 | Jan 20, 1994 | — |