WESTAMERICA BANCORPORATION (WABC) Historical Stock Prices
WESTAMERICA BANCORPORATION (WABC) is a publicly traded company on the Nasdaq, categorized under SIC 6021 (National Commercial Banks). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: WABC
CIK: 311094
Exchange: Nasdaq
SIC 6021: National Commercial Banks
Fiscal Year End: 12/31
State: CA
Independent PCAOB Auditor
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Audit Firm
Crowe LLP
Auditor SinceSince 12/31/2018 12:00:00 AM
Lead Engagement PartnerMichael Wengel
Audit LocationSacramento, California, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-15 | 2026-10-15 | FORM 8-K | 0001171843-26-006660 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-14 | — | SCHEDULE 13G/A Filing | 0000052388-26-000227 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-07 | — | SCHEDULE 13G Filing | 0000093751-26-000561 | View SEC Doc Filr Page |
| 10-Q | 2026-08-05 | 2026-06-30 | FORM 10-Q | 0001171843-26-005234 | View SEC Doc Filr Page |
| 4 | 2026-07-24 | 2026-07-24 | PRIMARY DOCUMENT | 0000311094-26-000058 | View SEC Doc Filr Page |
| 144 | 2026-07-24 | — | 144 Filing | 0001921094-26-000755 | View SEC Doc Filr Page |
| 8-K | 2026-07-23 | 2026-07-23 | FORM 8-K | 0001171843-26-004853 | View SEC Doc Filr Page |
| 4 | 2026-07-20 | 2026-07-20 | PRIMARY DOCUMENT | 0000311094-26-000056 | View SEC Doc Filr Page |
| 4 | 2026-07-20 | 2026-07-20 | PRIMARY DOCUMENT | 0000311094-26-000054 | View SEC Doc Filr Page |
| 144 | 2026-07-20 | — | 144 Filing | 0001921094-26-000747 | View SEC Doc Filr Page |
| 144 | 2026-07-20 | — | 144 Filing | 0001921094-26-000746 | View SEC Doc Filr Page |
| 8-K | 2026-07-16 | 2026-07-16 | FORM 8-K | 0001171843-26-004727 | View SEC Doc Filr Page |
| 11-K | 2026-06-26 | 2025-12-31 | FORM 11-K | 0001171843-26-004325 | View SEC Doc Filr Page |
| 10-Q | 2026-05-08 | 2026-03-31 | FORM 10-Q | 0001171843-26-003210 | View SEC Doc Filr Page |
| 4 | 2026-05-04 | 2026-05-01 | PRIMARY DOCUMENT | 0000311094-26-000052 | View SEC Doc Filr Page |
| 144 | 2026-05-01 | — | 144 Filing | 0001921094-26-000433 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-30 | — | SCHEDULE 13G Filing | 0002100119-26-001231 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-29 | — | SCHEDULE 13G Filing | 0002100121-26-000819 | View SEC Doc Filr Page |
| 8-K | 2026-04-27 | 2026-04-24 | FORM 8-K | 0001171843-26-002737 | View SEC Doc Filr Page |
| 4 | 2026-04-24 | 2026-04-24 | PRIMARY DOCUMENT | 0000311094-26-000050 | View SEC Doc Filr Page |
| 8-K | 2026-04-24 | 2026-04-24 | FORM 8-K | 0001171843-26-002706 | View SEC Doc Filr Page |
| 144 | 2026-04-24 | — | 144 Filing | 0001921094-26-000415 | View SEC Doc Filr Page |
| 4 | 2026-04-23 | 2026-04-22 | PRIMARY DOCUMENT | 0000311094-26-000048 | View SEC Doc Filr Page |
| 8-K | 2026-04-23 | 2026-04-23 | FORM 8-K | 0001171843-26-002678 | View SEC Doc Filr Page |
| 4 | 2026-04-20 | 2026-04-20 | PRIMARY DOCUMENT | 0000311094-26-000044 | View SEC Doc Filr Page |