0001127602-17-015763.txt : 20170427 0001127602-17-015763.hdr.sgml : 20170427 20170427172725 ACCESSION NUMBER: 0001127602-17-015763 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170425 FILED AS OF DATE: 20170427 DATE AS OF CHANGE: 20170427 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 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: 17790418 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2017-04-25 0000311094 WESTAMERICA BANCORPORATION WABC 0001201516 THORSON JOHN A WESTAMERICA BANCORPORATION 4550 MANGELS BLVD 94534 1 SVP/Chief Financial Officer Common Stock 2017-04-25 4 M 0 8332 56.625 A 8332 D Common Stock 2017-04-25 4 S 0 8332 58.50 D 0 D Common Stock 415 I as UGMA Common Stock 318.191 I Esop Common Stock 7152 I By Trust Non-qualified Stock Option (Right to Buy) 56.625 2017-04-25 4 M 0 8332 0 D 2011-01-28 2020-01-28 Common Stock 8332 12468 D Options vest ratably over three years beginning one year from date of grant. /s/John "Robert" A. Thorson 2017-04-27