0001127602-17-030378.txt : 20171027 0001127602-17-030378.hdr.sgml : 20171027 20171027141454 ACCESSION NUMBER: 0001127602-17-030378 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171026 FILED AS OF DATE: 20171027 DATE AS OF CHANGE: 20171027 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: 171158975 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 2017-10-26 0000311094 WESTAMERICA BANCORPORATION WABC 0001201516 THORSON JOHN A WESTAMERICA BANCORPORATION 4550 MANGELS BLVD 94534 1 SVP/Chief Financial Officer Common Stock 2017-10-26 4 M 0 12468 56.625 A 12468 D Common Stock 2017-10-26 4 S 0 12468 58.8024 D 0 D Common Stock 406.042 I Esop Common Stock 7152 I By Trust Non-qualified Stock Option (Right to Buy) 56.625 2017-10-26 4 M 0 12468 0 D 2011-01-28 2020-01-28 Common Stock 12468 0 D This is a weighted average price of multiple transactions for the same exercised option. The prices ranges from $58.75 to $58.96. Options vest ratably over three years beginning one year from date of grant. /s/John "Robert" A. Thorson 2017-10-27