0000831641-23-000026.txt : 20230605 0000831641-23-000026.hdr.sgml : 20230605 20230605162221 ACCESSION NUMBER: 0000831641-23-000026 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230602 FILED AS OF DATE: 20230605 DATE AS OF CHANGE: 20230605 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: 23992824 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_168599651639326.xml FORM 4 X0407 4 2023-06-02 0 0000831641 TETRA TECH INC TTEK 0001188787 THOMPSON J KENNETH 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 2023-06-02 4 S 0 5000 152.3129 D 20336 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.2322 to $152.59, inclusive. /s/ Preston Hopson, Attorney-in-fact for J. Kenneth Thompson 2023-06-05