AVISTA CORP — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 |
|---|---|---|---|---|
| 144 | — | 0001973379-25-000322 | Dec 16, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001978840-25-000004 | Dec 16, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001613793-25-000003 | Dec 12, 2025 | — |
| 144 | — | 0001965301-25-000185 | Dec 12, 2025 | — |
| 5 | PRIMARY DOCUMENT | 0001943093-25-000003 | Dec 9, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001174957-25-000002 | Dec 4, 2025 | Dec 3, 2025 |
| 4 | PRIMARY DOCUMENT | 0002090772-25-000002 | Dec 2, 2025 | — |
| 10-Q | 10-Q | 0001193125-25-265351 | Nov 5, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-265352 | Nov 5, 2025 | — |
| SCHEDULE 13G/A | — | 0000102909-25-000040 | Oct 30, 2025 | — |
| 3 | PRIMARY DOCUMENT | 0002090772-25-000001 | Oct 8, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001488085-25-000004 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | PRIMARY DOCUMENT | 0001978840-25-000003 | Oct 3, 2025 | Oct 1, 2025 |
| 5 | PRIMARY DOCUMENT | 0001174958-25-000003 | Sep 17, 2025 | Sep 16, 2025 |
| 4 | PRIMARY DOCUMENT | 0001724735-25-000003 | Sep 17, 2025 | Sep 16, 2025 |
| 5 | PRIMARY DOCUMENT | 0001943093-25-000002 | Sep 17, 2025 | Sep 16, 2025 |
| 5 | PRIMARY DOCUMENT | 0001798487-25-000003 | Sep 17, 2025 | Sep 16, 2025 |
| 5 | PRIMARY DOCUMENT | 0001798656-25-000003 | Sep 17, 2025 | Sep 16, 2025 |
| 5 | PRIMARY DOCUMENT | 0001943677-25-000002 | Sep 17, 2025 | Sep 16, 2025 |
| 5 | PRIMARY DOCUMENT | 0001978840-25-000002 | Sep 17, 2025 | Sep 16, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000085 | Sep 5, 2025 | — |
| 144 | — | 0001973379-25-000250 | Sep 5, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000076 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000079 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000075 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000077 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000078 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000080 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000081 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000082 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000083 | Sep 4, 2025 | Sep 2, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000084 | Sep 4, 2025 | Sep 2, 2025 |
| 424B5 | 424B5 | 0001193125-25-176500 | Aug 8, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-103360 | Aug 6, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0000950170-25-103362 | Aug 6, 2025 | — |
| 8-K | 8-K | 0000950170-25-098875 | Jul 25, 2025 | Jul 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000074 | Jul 2, 2025 | Jul 1, 2025 |
| 11-K | 11-K | 0000950170-25-088901 | Jun 23, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000072 | Jun 12, 2025 | — |
| 8-K | 8-K | 0000950170-25-084915 | Jun 11, 2025 | Jun 9, 2025 |
| 8-K | 8-K | 0000950170-25-070506 | May 13, 2025 | May 8, 2025 |
| 8-K | 8-K | 0000950170-25-064740 | May 7, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-064737 | May 7, 2025 | Mar 31, 2025 |
| S-3ASR | S-3ASR | 0001193125-25-114714 | May 7, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-114848 | May 7, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000070 | May 6, 2025 | May 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000071 | May 6, 2025 | May 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000069 | May 6, 2025 | May 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000068 | May 6, 2025 | May 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0000104918-25-000067 | May 6, 2025 | May 5, 2025 |