0001127602-17-023718.txt : 20170718 0001127602-17-023718.hdr.sgml : 20170718 20170718110627 ACCESSION NUMBER: 0001127602-17-023718 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170713 FILED AS OF DATE: 20170718 DATE AS OF CHANGE: 20170718 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THORSON JOHN A CENTRAL INDEX KEY: 0001201516 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09383 FILM NUMBER: 17968836 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 X0306 4 2017-07-13 0000311094 WESTAMERICA BANCORPORATION WABC 0001201516 THORSON JOHN A WESTAMERICA BANCORPORATION 4550 MANGELS BLVD 94534 1 SVP/Chief Financial Officer Common Stock 2017-07-13 4 U 0 415 0 D 0 I as UGMA Common Stock 361.862 I Esop Common Stock 7152 I By Trust /s/John "Robert" A. Thorson 2017-07-18