0001127602-23-014446.txt : 20230504 0001127602-23-014446.hdr.sgml : 20230504 20230504152615 ACCESSION NUMBER: 0001127602-23-014446 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230504 FILED AS OF DATE: 20230504 DATE AS OF CHANGE: 20230504 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chiesa Melanie Martella CENTRAL INDEX KEY: 0001800400 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09383 FILM NUMBER: 23888260 MAIL ADDRESS: STREET 1: 4550 MANGELS BLVD A-2M CITY: FAIRFIELD STATE: CA ZIP: 94534 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTAMERICA BANCORPORATION CENTRAL INDEX KEY: 0000311094 STANDARD INDUSTRIAL CLASSIFICATION: NATIONAL COMMERCIAL BANKS [6021] IRS NUMBER: 942156203 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1108 FIFTH AVE CITY: SAN RAFAEL STATE: CA ZIP: 94901 BUSINESS PHONE: (707) 863-6000 MAIL ADDRESS: STREET 1: 4550 MANGELS BLVD STREET 2: A-2Y CITY: FAIRFIELD STATE: CA ZIP: 94585-1200 FORMER COMPANY: FORMER CONFORMED NAME: INDEPENDENT BANKSHARES CORP DATE OF NAME CHANGE: 19830801 4 1 form4.xml PRIMARY DOCUMENT X0407 4 2023-05-04 0000311094 WESTAMERICA BANCORPORATION WABC 0001800400 Chiesa Melanie Martella WESTAMERICA BANCORPORATION 4550 MANGELS BLVD A-2M FAIRFIELD CA 94534 1 0 Common Stock 2023-05-04 4 P 0 250 36.69 A 250 D /s/ Kris Irvine, attorney-in-fact for Ms. Chiesa 2023-05-04