# WESTAMERICA BANCORPORATION — DEF 14A

WESTAMERICA BANCORPORATION of SAN RAFAEL, CA filed a DEF 14A with the SEC on 1995-03-16. Industry: National Commercial Banks.

## Filing

- Filed: 1995-03-16
- Form: DEF 14A
- Accession: 0000950005-95-000026
- Registrant: WESTAMERICA BANCORPORATION
- CIK: 0000311094
- Industry (SIC): National Commercial Banks (6021)
- State of incorporation: CA
- Location: SAN RAFAEL, CA

## Filing timeline for this registrant (54)

_Showing 12 of 54 filings._

| Filed | Form |
| --- | --- |
| [2026-03-13](https://search.stillhousedata.com/proxy/0001174947-26-000357) | DEFA14A |
| [2026-03-13](https://search.stillhousedata.com/proxy/0001174947-26-000355) | DEF 14A |
| [2025-03-14](https://search.stillhousedata.com/proxy/0001174947-25-000335) | DEFA14A |
| [2025-03-14](https://search.stillhousedata.com/proxy/0001174947-25-000333) | DEF 14A |
| [2024-03-15](https://search.stillhousedata.com/proxy/0001174947-24-000349) | DEFA14A |
| [2024-03-15](https://search.stillhousedata.com/proxy/0001174947-24-000347) | DEF 14A |
| [2023-03-17](https://search.stillhousedata.com/proxy/0001174947-23-000370) | DEFA14A |
| [2023-03-17](https://search.stillhousedata.com/proxy/0001174947-23-000368) | DEF 14A |
| [2022-04-08](https://search.stillhousedata.com/proxy/0001174947-22-000515) | DEFR14A |
| [2022-03-18](https://search.stillhousedata.com/proxy/0001174947-22-000380) | DEFA14A |
| [2022-03-18](https://search.stillhousedata.com/proxy/0001174947-22-000378) | DEF 14A |
| [2021-03-12](https://search.stillhousedata.com/proxy/0001174947-21-000260) | DEFA14A |

## More

- [CIK 311094 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=311094&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950005-95-000026.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.