WABC - CIK 0000311094
WESTAMERICA BANCORPORATION has filed 1,262 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (544 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 |
|---|---|---|---|
| Insider trade | 4 | 2009-07-17 | 2009-07-16 |
| Major company event | 8-K | 2009-07-15 | 2009-06-30 |
| Major company event | 8-K | 2009-07-01 | 2009-07-01 |
| Employee plan annual report | 11-K | 2009-06-25 | 2008-12-31 |
| Insider trade | 4 | 2009-06-23 | 2009-06-22 |
| Passive ownership stake | SC 13G | 2009-06-11 | - |
| Quarterly report | 10-Q | 2009-05-08 | 2009-03-31 |
| Insider trade | 4 | 2009-04-29 | 2009-04-28 |
| Insider trade | 4 | 2009-04-24 | 2009-04-22 |
| Insider trade | 4 | 2009-04-24 | 2009-04-22 |
| Major company event | 8-K | 2009-04-24 | 2009-04-23 |
| Insider trade | 4 | 2009-04-23 | 2009-04-21 |
| Insider trade | 4 | 2009-04-23 | 2009-04-21 |
| Major company event | 8-K | 2009-04-22 | 2009-04-17 |
| Insider trade | 4 | 2009-04-09 | 2009-01-26 |
| Insider trade | 4 | 2009-04-02 | 2009-03-31 |
| Insider trade (amended) | 4/A | 2009-04-02 | 2009-03-31 |
| Insider trade | 4 | 2009-04-02 | 2009-03-31 |
| Insider trade | 4 | 2009-04-02 | 2009-03-31 |
| S-3ASR | - | 2009-03-13 | - |
| Proxy statement | DEF 14A | 2009-03-12 | 2009-04-23 |
| PRE 14A | - | 2009-03-04 | 2009-04-23 |
| Major company event | 8-K | 2009-03-03 | 2009-02-26 |
| Annual report | 10-K | 2009-02-27 | 2008-12-31 |
| Major company event | 8-K | 2009-02-19 | 2009-02-13 |
| Passive ownership stake (update) | SC 13G/A | 2009-02-13 | - |
| Major company event | 8-K | 2009-02-13 | 2009-02-10 |
| Major company event | 8-K | 2009-02-11 | 2009-02-06 |
| Passive ownership stake (update) | SC 13G/A | 2009-02-11 | - |
| Passive ownership stake | SC 13G | 2009-02-05 | - |
| Insider trade (amended) | 4/A | 2009-01-29 | 2009-01-28 |
| Insider trade | 4 | 2009-01-29 | 2009-01-28 |
| Insider trade | 4 | 2009-01-27 | 2009-01-27 |
| Insider trade | 4 | 2009-01-26 | 2009-01-26 |
| Insider trade | 4 | 2009-01-26 | 2009-01-26 |
| Insider trade | 4 | 2009-01-26 | 2009-01-26 |
| Insider trade | 4 | 2009-01-26 | 2009-01-26 |
| Major company event | 8-K | 2009-01-23 | 2009-01-22 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Insider trade | 4 | 2009-01-22 | 2009-01-21 |
| Major company event | 8-K | 2009-01-16 | 2008-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2009-01-13 | - |
| Major company event | 8-K | 2008-12-23 | 2008-12-23 |
| Major company event | 8-K | 2008-10-23 | 2008-10-23 |
| Quarterly report | 10-Q | 2008-10-22 | 2008-09-30 |
| Major company event | 8-K | 2008-10-16 | 2008-10-15 |