AVA - CIK 0000104918
AVISTA CORP has filed 2,724 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (1,627 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 1998-10-21 | 1998-10-21 |
| Passive ownership stake (update) | SC 13G/A | 1998-10-13 | - |
| Passive ownership stake | SC 13G | 1998-10-13 | - |
| S-4/A | - | 1998-10-07 | - |
| S-3D | - | 1998-09-11 | - |
| Passive ownership stake | SC 13G | 1998-09-10 | - |
| Major company event | 8-K | 1998-08-19 | 1998-08-14 |
| S-4 | - | 1998-08-17 | - |
| Quarterly report | 10-Q | 1998-08-10 | 1998-06-30 |
| Employee stock plan | S-8 | 1998-06-30 | - |
| 424B3 | - | 1998-06-19 | - |
| S-3/A | - | 1998-06-19 | - |
| 424B3 | - | 1998-06-04 | - |
| S-3/A | - | 1998-06-04 | - |
| Major company event | 8-K | 1998-06-04 | 1998-06-02 |
| Quarterly report | 10-Q | 1998-05-14 | 1998-03-31 |
| Prospectus supplement | 424B2 | 1998-04-24 | - |
| S-3/A | - | 1998-04-21 | - |
| Proxy statement | DEF 14A | 1998-03-31 | 1998-05-14 |
| 10-K405 | - | 1998-03-17 | 1997-12-31 |
| Quarterly report | 10-Q | 1997-11-14 | 1997-09-30 |
| Securities registration | S-3 | 1997-11-05 | - |
| 424B3 | - | 1997-09-29 | - |
| 424B3 | - | 1997-09-29 | - |
| Quarterly report | 10-Q | 1997-08-14 | 1997-06-30 |
| Major company event | 8-K | 1997-07-09 | 1997-06-25 |
| Prospectus supplement | 424B2 | 1997-06-02 | - |
| Quarterly report | 10-Q | 1997-05-14 | 1997-03-31 |
| Proxy statement | DEF 14A | 1997-03-31 | 1997-05-20 |
| 10-K405 | - | 1997-03-20 | 1996-12-31 |
| Employee stock plan | S-8 | 1997-02-26 | - |
| Prospectus supplement | 424B2 | 1997-01-21 | - |
| S-3/A | - | 1997-01-07 | - |
| Major company event | 8-K | 1996-12-05 | 1996-12-01 |
| Securities registration | S-3 | 1996-11-19 | - |
| Quarterly report | 10-Q | 1996-11-14 | 1996-09-30 |
| Quarterly report | 10-Q | 1996-08-14 | 1996-06-30 |
| Major company event | 8-K | 1996-07-08 | 1996-06-28 |
| Quarterly report | 10-Q | 1996-05-15 | 1996-03-31 |
| Employee stock plan | S-8 | 1996-05-13 | - |
| Proxy statement | DEF 14A | 1996-03-29 | 1996-05-13 |
| 10-K405 | - | 1996-03-12 | 1995-12-31 |
| Major company event | 8-K | 1995-12-18 | 1995-11-29 |
| 424B3 | - | 1995-11-27 | - |
| 424B3 | - | 1995-11-27 | - |
| Quarterly report | 10-Q | 1995-11-13 | 1995-09-30 |
| Quarterly report | 10-Q | 1995-08-11 | 1995-06-30 |
| 424B3 | - | 1995-06-29 | - |
| 424B3 | - | 1995-06-07 | - |
| Quarterly report | 10-Q | 1995-05-12 | 1995-03-31 |