0000831641-23-000043.txt : 20231115 0000831641-23-000043.hdr.sgml : 20231115 20231115164843 ACCESSION NUMBER: 0000831641-23-000043 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231001 FILED AS OF DATE: 20231115 DATE AS OF CHANGE: 20231115 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Argus Roger R CENTRAL INDEX KEY: 0001721930 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231411213 MAIL ADDRESS: STREET 1: TETRA TECH, INC. STREET 2: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 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 5 1 wk-form5_1700084912.xml FORM 5 X0508 5 2023-10-01 0 0 0 0000831641 TETRA TECH INC TTEK 0001721930 Argus Roger R 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 0 1 0 0 President, GS and C/I Groups 0 COMMON STOCK 2119 D Amount of securities beneficially owned was updated to reflect that 38 shares of common stock were acquired by the Reporting Person on December 15, 2022, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP). /s/ Preston Hopson, Attorney-in-fact for Roger R. Argus 2023-11-15