Company facts
- Industry
- National Commercial Banks
- Headquarters
- San Rafael, California
- Most recent report
- 10-Q, filed Aug 5, 2026
- Incorporated
- California
- Filings on record
- 1,000+ filings
- On EDGAR
- CIK 311094
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 82
News 8 of 230
Prospectuses and Registrations 6
- S-8 Registration statement for an employee plan Aug 6, 2025
- S-8 POS Post-effective amendment to an employee plan registration Sep 27, 2019
- S-8 Registration statement for an employee plan Sep 27, 2019
- S-8 POS Post-effective amendment to an employee plan registration Jun 29, 2012
- S-8 Registration statement for an employee plan Jun 29, 2012
- S-3ASR Automatic shelf registration Mar 13, 2009
Proxies 8 of 38
- DEFA14A Extra proxy material Mar 13, 2026
- DEF 14A Proxy statement for a shareholder vote Mar 13, 2026
- DEFA14A Extra proxy material Mar 14, 2025
- DEF 14A Proxy statement for a shareholder vote Mar 14, 2025
- DEFA14A Extra proxy material Mar 15, 2024
- DEF 14A Proxy statement for a shareholder vote Mar 15, 2024
- DEFA14A Extra proxy material Mar 17, 2023
- DEF 14A Proxy statement for a shareholder vote Mar 17, 2023
Ownership 8 of 597
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 7, 2026
- 4 Insider reported a trade Jul 24, 2026
- 144 Notice of a proposed sale of restricted stock Jul 24, 2026
- 4 Insider reported a trade Jul 20, 2026
- 4 Insider reported a trade Jul 20, 2026
- 144 Notice of a proposed sale of restricted stock Jul 20, 2026
- 144 Notice of a proposed sale of restricted stock Jul 20, 2026
Other 8 of 47
- 11-K Employee stock plan report Jun 26, 2026
- ARS Annual report sent to shareholders Mar 13, 2026
- 11-K Employee stock plan report Jun 27, 2025
- ARS Annual report sent to shareholders Mar 14, 2025
- 11-K Employee stock plan report Jun 28, 2024
- ARS Annual report sent to shareholders Mar 15, 2024
- UPLOAD Comment letter from SEC staff Sep 29, 2023
- CORRESP Reply to SEC staff Sep 21, 2023
Everything here comes from Westamerica Bancorporation's own filings on SEC EDGAR. The filing list is rechecked every hour.