0000831641-23-000079.txt : 20231121 0000831641-23-000079.hdr.sgml : 20231121 20231121215925 ACCESSION NUMBER: 0000831641-23-000079 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231118 FILED AS OF DATE: 20231121 DATE AS OF CHANGE: 20231121 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Volpi Kirsten M CENTRAL INDEX KEY: 0001582882 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231429867 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 4 1 wk-form4_1700621956.xml FORM 4 X0508 4 2023-11-18 0 0000831641 TETRA TECH INC TTEK 0001582882 Volpi Kirsten M 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 2023-11-20 4 S 0 559 165.50 D 11608 D COMMON STOCK 2023-11-18 4 M 0 380 0 A 11988 D COMMON STOCK 2023-11-18 4 M 0 200 47.95 A 12188 D COMMON STOCK 2023-11-18 4 M 0 2000 40.80 A 14188 D COMMON STOCK 2023-11-18 4 M 0 200 47.95 A 14388 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 380 0 D 2023-11-18 COMMON STOCK 380 0 D STOCK OPTION 40.80 2023-11-18 4 M 0 2000 0 D 2017-11-18 2026-11-18 COMMON STOCK 2000 0 D STOCK OPTION (RIGHT TO BUY) 47.95 2023-11-18 4 M 0 200 0 D 2018-11-17 2027-11-17 COMMON STOCK 200 4000 D All shares sold at an exact price. The restricted stock units (RSUs) became vested as to 100% of the shares underlying the RSUs on November 18, 2023. The RSUs are exercisable at the time of vesting and do not have a set expiration date. 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 2023-11-21