0001127602-18-016211.txt : 20180503 0001127602-18-016211.hdr.sgml : 20180503 20180503160407 ACCESSION NUMBER: 0001127602-18-016211 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180502 FILED AS OF DATE: 20180503 DATE AS OF CHANGE: 20180503 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: 18803704 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 2018-05-02 0000311094 WESTAMERICA BANCORPORATION WABC 0001201516 THORSON JOHN A WESTAMERICA BANCORPORATION 4550 MANGELS BLVD 94534 1 SVP/Chief Financial Officer Common Stock 2018-05-02 4 M 0 2000 42.33 A 2000 D Common Stock 2018-05-02 4 S 0 2000 56.796 D 0 D Common Stock 638.6453 I Esop Common Stock 8682 I By Trust Non-qualified Stock Option (Right to Buy) 42.33 2018-05-02 4 M 0 2000 0 D 2017-01-28 2026-01-28 Common Stock 2000 14333 D This is a weighted average price of multiple transactions for the same exercised option. The prices ranges from $56.75 to $56.94. Options vest ratably over three years beginning one year from date of grant. /s/John "Robert" A. Thorson 2018-05-03