Westamerica Bancorporation
Headquarters San Rafael, CA
Financials
Prospectuses and Registrations
FORMNAMEDATE FILED
S-8Securities to be offered to employees in employee benefit plans8/6/2025S-8 POSSecurities to be offered to employees in employee benefit plans, post-effective amendments9/27/2019S-8Securities to be offered to employees in employee benefit plans9/27/2019S-8 POSSecurities to be offered to employees in employee benefit plans, post-effective amendments6/29/2012S-8Securities to be offered to employees in employee benefit plans6/29/2012S-3ASRAutomatic shelf registration statement of securities of well-known seasoned issuers3/13/2009S-8 POSSecurities to be offered to employees in employee benefit plans, post-effective amendments3/22/2005
Proxies
FORMNAMEDATE FILED
DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/13/2026DEF 14AOther definitive proxy statements3/13/2026DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/14/2025DEF 14AOther definitive proxy statements3/14/2025DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/15/2024DEF 14AOther definitive proxy statements3/15/2024DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/17/2023
News
FORMNAMEDATE FILED
8-KDeparture of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers1/23/20268-KNews Release1/22/20268-KResults of Operations and Financial Condition1/15/20268-KNews Release12/18/20258-KNews Release10/23/20258-KResults of Operations and Financial Condition10/16/20258-KDeparture of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers8/12/2025
Ownership