0000831641-24-000015.txt : 20240207 0000831641-24-000015.hdr.sgml : 20240207 20240207200553 ACCESSION NUMBER: 0000831641-24-000015 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240206 FILED AS OF DATE: 20240207 DATE AS OF CHANGE: 20240207 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Volpi Kirsten M CENTRAL INDEX KEY: 0001582882 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 24606466 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] ORGANIZATION NAME: 07 Trade & Services IRS NUMBER: 954148514 STATE OF INCORPORATION: DE FISCAL YEAR END: 0929 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 wk-form4_1707354336.xml FORM 4 X0508 4 2024-02-06 0 0000831641 TETRA TECH INC TTEK 0001582882 Volpi Kirsten M 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 2024-02-06 4 M 0 500 47.95 A 12848 D STOCK OPTION (RIGHT TO BUY) 47.95 2024-02-06 4 M 0 500 0 D 2018-11-17 2027-11-18 COMMON STOCK 500 3500 D The option becomes exercisable as to 100% of the shares on the anniversary of the grant date. /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi 2024-02-07