0000831641-23-000087.txt : 20231122 0000831641-23-000087.hdr.sgml : 20231122 20231122195147 ACCESSION NUMBER: 0000831641-23-000087 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231121 FILED AS OF DATE: 20231122 DATE AS OF CHANGE: 20231122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Argus Roger R CENTRAL INDEX KEY: 0001721930 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231434807 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_1700700692.xml FORM 4 X0508 4 2023-11-21 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 2023-11-21 4 A 0 5904 0 A 8976 D COMMON STOCK 2023-11-21 4 F 0 3187 164.32 D 5789 D RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) 0 2023-11-21 4 A 0 2186 0 A 2024-11-30 COMMON STOCK 2186 2186 D Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2018 Equity Incentive Plan. Represents the combined number of shares withheld to pay the related tax liability of the performance stock units that vested on November 21, 2023. Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. The RSUs become vested as to 25% of the shares on November 30, 2024, 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. /s/ Preston Hopson, Attorney-in-fact for Roger R. Argus 2023-11-22