0000831641-23-000065.txt : 20231121 0000831641-23-000065.hdr.sgml : 20231121 20231121214758 ACCESSION NUMBER: 0000831641-23-000065 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: CARTER BRIAN N CENTRAL INDEX KEY: 0001561742 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231429849 MAIL ADDRESS: STREET 1: 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_1700621266.xml FORM 4 X0508 4 2023-11-18 0 0000831641 TETRA TECH INC TTEK 0001561742 CARTER BRIAN N 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 0 1 0 0 SVP, Corporate Controller 0 COMMON STOCK 2023-11-18 4 M 0 407 0 A 8225 D COMMON STOCK 2023-11-18 4 M 0 307 0 A 8532 D COMMON STOCK 2023-11-18 4 M 0 199 0 A 8731 D COMMON STOCK 2023-11-18 4 M 0 254 0 A 8985 D COMMON STOCK 2023-11-18 4 F 0 625 165.10 D 8360 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 407 0 D 2020-11-18 COMMON STOCK 407 0 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 307 0 D 2021-11-18 COMMON STOCK 307 307 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 199 0 D 2022-11-22 COMMON STOCK 199 398 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-18 4 M 0 254 0 D 2023-11-18 COMMON STOCK 254 760 D Represents the shares underlying restricted stock units (RSUs) which vested on 11/18/2023 and were withheld to pay the related tax liability. The RSUs become vested as to 25% of the shares on November 18, 2020, and 25% of the shares on each anniversary date thereafter until fully vested. The RSUs are exercisable at the time of vesting and do not have a set expiration date. The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested. The RSUs become vested as to 25% of the shares on November 18, 2022, and 25% of the shares on each anniversary date thereafter until fully vested. The RSUs become vested as to 25% of the shares on November 18, 2023, and 25% of the shares on each anniversary date thereafter until fully vested. /s/ Preston Hopson, Attorney-in-fact for Brian N. Carter 2023-11-21