0000831641-22-000005.txt : 20220131 0000831641-22-000005.hdr.sgml : 20220131 20220131183138 ACCESSION NUMBER: 0000831641-22-000005 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220129 FILED AS OF DATE: 20220131 DATE AS OF CHANGE: 20220131 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: O'Rourke Brendan M. CENTRAL INDEX KEY: 0001758350 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 22575969 MAIL ADDRESS: STREET 1: 3475 E FOOTHILL BLVD 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: 1003 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 wf-form4_164367188336362.xml FORM 4 X0306 4 2022-01-29 0 0000831641 TETRA TECH INC TTEK 0001758350 O'Rourke Brendan M. 3475 EAST FOOTHILL BLVD. PASADENA CA 91107 0 1 0 0 SVP, Enterprise Risk Mgmt. COMMON STOCK 2022-01-29 4 F 0 124 132.61 D 1344 D Represents the number of shares withheld to pay the related tax liability on a total of 250 restricted stock units (RSUs) which vested on 01/29/2022. The closing trading price of the underlying common stock on 01/28/2022, the day preceding the vest day. Amount of securities beneficially owned was updated to reflect that 43 shares of common stock were acquired by the Reporting Person on December 15, 2021, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP). /s/ Preston Hopson, Attorney-in-fact for Brendan O'Rourke 2022-01-31