Westamerica Bancorporation SEC filings WABC
Westamerica Bancorporation has 1,000 filings in SEC EDGAR's recent list, going back to May 26, 2006. Its latest annual report, Form ARS, was filed on Mar 13, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2026 | — |
| 4 | Insider transaction | Oct 23, 2026 | Oct 23, 2026 |
| 144 | Notice of proposed sale | Oct 23, 2026 | — |
| 8-K |
Current report
Other events
|
Oct 22, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 15, 2026 | Oct 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 24, 2026 |
| 144 | Notice of proposed sale | Jul 24, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 23, 2026 | Jul 23, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 20, 2026 | Jul 20, 2026 |
| 144 | Notice of proposed sale | Jul 20, 2026 | — |
| 144 | Notice of proposed sale | Jul 20, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jul 16, 2026 | Jul 16, 2026 |
| 11-K | Employee savings plan report | Jun 26, 2026 | Dec 31, 2025 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| 144 | Notice of proposed sale | May 1, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Apr 27, 2026 | Apr 24, 2026 |
| 4 | Insider transaction | Apr 24, 2026 | Apr 24, 2026 |
| 8-K |
Current report
Other events
|
Apr 24, 2026 | Apr 24, 2026 |
| 144 | Notice of proposed sale | Apr 24, 2026 | — |
| 4 | Insider transaction | Apr 23, 2026 | Apr 22, 2026 |
| 8-K |
Current report
Other events
|
Apr 23, 2026 | Apr 23, 2026 |
| 4 | Insider transaction | Apr 20, 2026 | Apr 20, 2026 |
| 144 | Notice of proposed sale | Apr 20, 2026 | — |
| 8-K |
Current report
Results of operations
|
Apr 16, 2026 | Apr 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| ARS | Annual report to shareholders | Mar 13, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 13, 2026 | — |
| DEF 14A | Proxy statement | Mar 13, 2026 | Mar 13, 2026 |
| 3 | Initial insider ownership | Mar 6, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Mar 2, 2026 |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 24, 2026 |
| 5 | Annual insider ownership | Feb 4, 2026 | Dec 31, 2025 |
| 5 | Annual insider ownership | Feb 4, 2026 | Dec 31, 2025 |
| 3 | Initial insider ownership | Jan 30, 2026 | Jan 12, 2026 |
| 4/A | Primary document | Jan 28, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 26, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 23, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Other events
|
Jan 22, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 15, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Other events
|
Dec 18, 2025 | Dec 18, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Oct 23, 2025 | Oct 23, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 16, 2025 | Oct 16, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 12, 2025 | Aug 12, 2025 |
| S-8 | Employee stock plan registration | Aug 6, 2025 | — |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Other events
|
Jul 24, 2025 | Jul 24, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 17, 2025 | Jul 17, 2025 |
| 4 | Insider transaction | Jul 11, 2025 | Jul 9, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 3, 2025 |
| 144 | Notice of proposed sale | Jul 3, 2025 | — |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 30, 2025 | Apr 29, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Apr 28, 2025 |
| 144 | Notice of proposed sale | Apr 28, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Apr 28, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 24, 2025 | Apr 24, 2025 |
| 4 | Insider transaction | Apr 24, 2025 | Apr 24, 2025 |
| 4 | Insider transaction | Apr 24, 2025 | Mar 3, 2025 |
| 144 | Notice of proposed sale | Apr 24, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 24, 2025 | Apr 24, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 17, 2025 | Apr 17, 2025 |
| ARS | Annual report to shareholders | Mar 14, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 14, 2025 | — |
| DEF 14A | Proxy statement | Mar 14, 2025 | Apr 24, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 3, 2025 |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Other events
|
Feb 27, 2025 | Feb 27, 2025 |
| 3 | Initial insider ownership | Feb 6, 2025 | Jan 27, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2025 | — |
| 4/A | Primary document | Jan 31, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 31, 2025 | Jul 22, 2024 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 23, 2025 | Jan 23, 2025 |
| 8-K |
Current report
Other events
|
Jan 23, 2025 | Jan 23, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 16, 2025 | Jan 16, 2025 |
| 10-Q | Quarterly report | Nov 8, 2024 | Sep 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 8-K |
Current report
Other events
|
Oct 24, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 17, 2024 | Oct 17, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 25, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Other events
|
Jul 25, 2024 | Jul 25, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 18, 2024 | Jul 18, 2024 |
| 3 | Initial insider ownership | Jul 9, 2024 | Jun 27, 2024 |
| 11-K | Employee savings plan report | Jun 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 28, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jun 26, 2024 | Jun 25, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K/A |
Amended current report
Shareholder vote results
|
May 6, 2024 | Apr 26, 2024 |
| 4 | Insider transaction | May 1, 2024 | Apr 29, 2024 |
| 144 | Notice of proposed sale | Apr 29, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Apr 29, 2024 | Apr 26, 2024 |
| 8-K |
Current report
Other events
|
Apr 25, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 24, 2024 | Apr 22, 2024 |
| 4 | Insider transaction | Apr 24, 2024 | Apr 23, 2024 |
| 144 | Notice of proposed sale | Apr 22, 2024 | — |
| 8-K |
Current report
Results of operations
|
Apr 18, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | Mar 27, 2024 | Mar 26, 2024 |
| 3 | Initial insider ownership | Mar 15, 2024 | Mar 15, 2024 |
| ARS | Annual report to shareholders | Mar 15, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 15, 2024 | — |
| DEF 14A | Proxy statement | Mar 15, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| 3 | Initial insider ownership | Feb 28, 2024 | Feb 22, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2024 | — |
| 4 | Insider transaction | Feb 1, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Jan 30, 2024 | Jan 29, 2024 |
| 4 | Insider transaction | Jan 29, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 29, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 29, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 26, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Other events
|
Jan 25, 2024 | Jan 25, 2024 |
| 4 | Insider transaction | Jan 24, 2024 | Jan 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2024 | — |
| 144 | Notice of proposed sale | Jan 22, 2024 | — |
| 8-K |
Current report
Results of operations
|
Jan 18, 2024 | Jan 18, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 19, 2023 | Dec 19, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 3 | Initial insider ownership | Nov 2, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Other events
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 19, 2023 | Oct 19, 2023 |
| UPLOAD | Letter from the SEC | Sep 29, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2023 | Sep 29, 2023 |
| CORRESP | Letter to the SEC | Sep 21, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 14, 2023 | — |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 4 | Insider transaction | Aug 7, 2023 | Aug 3, 2023 |
| 4 | Insider transaction | Jul 27, 2023 | Jul 25, 2023 |
| 8-K |
Current report
Other events
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 20, 2023 | Jul 20, 2023 |
| 11-K | Employee savings plan report | Jun 29, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 2, 2023 | Jun 2, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 28, 2023 | Apr 28, 2023 |
| 4 | Insider transaction | Apr 27, 2023 | Apr 27, 2023 |
| 8-K |
Current report
Other events
|
Apr 27, 2023 | Apr 27, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 20, 2023 | Apr 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | Mar 21, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Mar 17, 2023 | — |
| DEF 14A | Proxy statement | Mar 17, 2023 | — |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 3, 2023 | Mar 1, 2023 |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Feb 23, 2023 | Jan 25, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| 4/A | Primary document | Feb 2, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Other events
|
Jan 26, 2023 | Jan 26, 2023 |
| SC 13G | Ownership over 5% (passive) | Jan 24, 2023 | — |
| 8-K |
Current report
Results of operations
|
Jan 19, 2023 | Jan 19, 2023 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 4 | Insider transaction | Nov 4, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Other events
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 20, 2022 | Oct 20, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 11, 2022 | — |
| 10-Q | Quarterly report | Aug 8, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Other events
|
Jul 28, 2022 | Jul 28, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- National Commercial Banks (SIC 6021)
- Listed as
- WABC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- CA
- Headquarters
- San Rafael, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 311094
Other National Commercial Banks companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.