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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| 4 | Insider transaction | Jul 24, 2026 | Jul 24, 2026 |
| 144 | Notice of proposed sale | Jul 24, 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 | — |
| 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 | — |
| 4 | Insider transaction | Apr 24, 2026 | Apr 24, 2026 |
| 144 | Notice of proposed sale | Apr 24, 2026 | — |
| 4 | Insider transaction | Apr 23, 2026 | Apr 22, 2026 |
| 4 | Insider transaction | Apr 20, 2026 | Apr 20, 2026 |
| 144 | Notice of proposed sale | Apr 20, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 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 |
| 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 |
| 3 | Initial insider ownership | Jul 29, 2025 | Jun 26, 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 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 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 | — |
| 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 | — |
| 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 |
| 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 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 4 | Insider transaction | Jul 25, 2024 | Jul 24, 2024 |
| 3 | Initial insider ownership | Jul 9, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 26, 2024 | Jun 25, 2024 |
| 4 | Insider transaction | May 1, 2024 | Apr 29, 2024 |
| 144 | Notice of proposed sale | Apr 29, 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 | — |
| 4 | Insider transaction | Mar 27, 2024 | Mar 26, 2024 |
| 3 | Initial insider ownership | Mar 15, 2024 | Mar 15, 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 |
| 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 |
| 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 | — |
| 3 | Initial insider ownership | Nov 2, 2023 | Oct 26, 2023 |
| 4 | Insider transaction | Aug 7, 2023 | Aug 3, 2023 |
| 4 | Insider transaction | Jul 27, 2023 | Jul 25, 2023 |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 4, 2023 |
| 4 | Insider transaction | Apr 27, 2023 | Apr 27, 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 |
| 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 |
| SC 13G | Ownership over 5% (passive) | Jan 24, 2023 | — |
| 4 | Insider transaction | Nov 4, 2022 | Nov 3, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 11, 2022 | — |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| 4 | Insider transaction | Feb 3, 2022 | Feb 3, 2022 |
| 4 | Insider transaction | Jan 31, 2022 | Jan 27, 2022 |
| 4 | Insider transaction | Jan 31, 2022 | Jan 27, 2022 |
| 4 | Insider transaction | Jan 31, 2022 | Jan 27, 2022 |
| 4 | Insider transaction | Jan 31, 2022 | Jan 27, 2022 |
| 4 | Insider transaction | Jan 31, 2022 | Jan 27, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Jan 25, 2022 | — |
| 3 | Initial insider ownership | Dec 20, 2021 | Dec 16, 2021 |
| 4 | Insider transaction | Jun 10, 2021 | Apr 12, 2021 |
| 4 | Insider transaction | Apr 19, 2021 | Apr 19, 2021 |
| 4/A | Primary document | Mar 3, 2021 | Mar 1, 2021 |
| 4/A | Primary document | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| 4 | Insider transaction | Feb 1, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jul 26, 2019 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2021 | — |
| 4 | Insider transaction | Nov 2, 2020 | Oct 30, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2020 | — |
| 4 | Insider transaction | Feb 4, 2020 | Feb 3, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2020 | — |
| 4 | Insider transaction | Jan 28, 2020 | Jan 23, 2020 |
| 4 | Insider transaction | Jan 28, 2020 | Jan 23, 2020 |
| 4 | Insider transaction | Jan 28, 2020 | Jan 23, 2020 |
| 3 | Initial insider ownership | Jan 24, 2020 | Jan 24, 2020 |
| 4 | Insider transaction | Jan 24, 2020 | Jan 22, 2020 |
| 3 | Initial insider ownership | Jan 10, 2020 | Jan 1, 2020 |
| 4 | Insider transaction | Oct 25, 2019 | Oct 24, 2019 |
| 4 | Insider transaction | Oct 24, 2019 | Jun 27, 2019 |
| 3 | Initial insider ownership | Sep 27, 2019 | Sep 27, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2019 | — |
| 4 | Insider transaction | May 1, 2019 | Apr 30, 2019 |
| 4 | Insider transaction | Apr 3, 2019 | Apr 1, 2019 |
| 4 | Insider transaction | Apr 3, 2019 | Apr 1, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2019 | — |
| 4 | Insider transaction | Feb 5, 2019 | Feb 4, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2019 | — |
| 4 | Insider transaction | Jan 30, 2019 | Jan 28, 2019 |
| 4 | Insider transaction | Jan 29, 2019 | Jan 28, 2019 |
| 4 | Insider transaction | Jan 28, 2019 | Jan 24, 2019 |
| 4 | Insider transaction | Jan 28, 2019 | Jan 24, 2019 |
| 4 | Insider transaction | Jan 28, 2019 | Jan 24, 2019 |
| 4 | Insider transaction | Jan 24, 2019 | Jan 23, 2019 |
| 4 | Insider transaction | Jan 23, 2019 | Jan 22, 2019 |
| 3 | Initial insider ownership | Jan 9, 2019 | Jan 2, 2019 |
| 3 | Initial insider ownership | Jan 8, 2019 | Dec 28, 2018 |
| 4 | Insider transaction | Nov 7, 2018 | Oct 25, 2018 |
| 4 | Insider transaction | Jul 24, 2018 | Jul 23, 2018 |
| 4 | Insider transaction | May 7, 2018 | May 4, 2018 |
| 4 | Insider transaction | May 3, 2018 | May 2, 2018 |
| 4 | Insider transaction | Apr 30, 2018 | Apr 27, 2018 |
| 4 | Insider transaction | Apr 27, 2018 | Apr 24, 2018 |
| 3 | Initial insider ownership | Apr 23, 2018 | Apr 20, 2018 |
| 4 | Insider transaction | Apr 4, 2018 | Apr 2, 2018 |
| 4 | Insider transaction | Apr 4, 2018 | Feb 26, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2018 | — |
| 5 | Annual insider ownership | Feb 12, 2018 | Dec 31, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2018 | — |
| 4 | Insider transaction | Feb 6, 2018 | Feb 2, 2018 |
| 4 | Insider transaction | Jan 30, 2018 | Jan 26, 2018 |
| 4 | Insider transaction | Jan 29, 2018 | Jan 25, 2018 |
| 4 | Insider transaction | Jan 29, 2018 | Jan 25, 2018 |
| 4 | Insider transaction | Jan 24, 2018 | Jan 23, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 19, 2018 | — |
| 4 | Insider transaction | Nov 3, 2017 | Nov 2, 2017 |
| 4 | Insider transaction | Oct 31, 2017 | Oct 27, 2017 |
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.