Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001127602-25-012709
Filing Date
2025-04-29
Accepted
2025-04-29 11:16:17
Documents
1
Period of Report
2025-04-28

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form4.html 4  
1 PRIMARY DOCUMENT form4.xml 4 4219
  Complete submission text file 0001127602-25-012709.txt   5615
Mailing Address 4550 MANGELS BLVD A-2Y FAIRFIELD CA 94534-4082
Business Address 1108 FIFTH AVE SAN RAFAEL CA 94901 (707) 863-6000
WESTAMERICA BANCORPORATION (Issuer) CIK: 0000311094 (see all company filings)

EIN.: 942156203 | State of Incorp.: CA | Fiscal Year End: 1231
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)

Mailing Address
Business Address
THORSON JOHN A (Reporting) CIK: 0001201516 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-09383 | Film No.: 25883843