0000831641-20-000013.txt : 20200131 0000831641-20-000013.hdr.sgml : 20200131 20200131173530 ACCESSION NUMBER: 0000831641-20-000013 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200129 FILED AS OF DATE: 20200131 DATE AS OF CHANGE: 20200131 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hopson Preston III CENTRAL INDEX KEY: 0001728969 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 20566219 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: 0927 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_158051011301879.xml FORM 4 X0306 4 2020-01-29 0 0000831641 TETRA TECH INC TTEK 0001728969 Hopson Preston III 3475 EAST FOOTHILL BLVD. PASADENA CA 91107 0 1 0 0 SVP, General Counsel COMMON STOCK 2020-01-29 4 F 0 307 0 D 2834 D Represents the shares underlying RSUs which vested on 01/29/2020 and were withheld to pay the related tax liability. Amount of securities beneficially owned was updated to reflect that 96 shares of common stock were acquired by the Reporting Person on December 13, 2019, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP). /s/ Preston Hopson 2020-01-31