0000831641-19-000028.txt : 20190221 0000831641-19-000028.hdr.sgml : 20190221 20190221184518 ACCESSION NUMBER: 0000831641-19-000028 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190219 FILED AS OF DATE: 20190221 DATE AS OF CHANGE: 20190221 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HADEN PATRICK C CENTRAL INDEX KEY: 0001183870 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 19623495 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: 0929 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_155079270434354.xml FORM 4 X0306 4 2019-02-19 0 0000831641 TETRA TECH INC TTEK 0001183870 HADEN PATRICK C 3475 EAST FOOTHILL BOULEVARD PASADENA, CA 91107 1 0 0 0 COMMON STOCK 2019-02-19 4 S 0 3780 58.46 D 8780 D /s/ Preston Hopson III, Attorney-in-fact for Patrick C. Haden 2019-02-21