0000831641-23-000030.txt : 20230614 0000831641-23-000030.hdr.sgml : 20230614 20230614165820 ACCESSION NUMBER: 0000831641-23-000030 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230613 FILED AS OF DATE: 20230614 DATE AS OF CHANGE: 20230614 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: THOMPSON J KENNETH CENTRAL INDEX KEY: 0001188787 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231014825 MAIL ADDRESS: STREET 1: ALASKA AIR GROUP STREET 2: 19300 PACIFIC HIGHWAY SOUTH CITY: SEATTLE STATE: WA ZIP: 98188 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECH INC CENTRAL INDEX KEY: 0000831641 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ENGINEERING SERVICES [8711] IRS NUMBER: 954148514 STATE OF INCORPORATION: DE FISCAL YEAR END: 1001 BUSINESS ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 BUSINESS PHONE: 6263514664 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 4 1 wf-form4_168677628675047.xml FORM 4 X0407 4 2023-06-13 0 0000831641 TETRA TECH INC TTEK 0001188787 THOMPSON J KENNETH 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 2023-06-13 4 S 0 2500 156.21 D 17836 D All shares sold at an exact price. /s/ Preston Hopson, Attorney-in-fact for J. Kenneth Thompson 2023-06-14