<SEC-DOCUMENT>0000831641-18-000109-index.html : 20181116 <SEC-HEADER>0000831641-18-000109.hdr.sgml : 20181116 <ACCEPTANCE-DATETIME>20181116171215 ACCESSION NUMBER: 0000831641-18-000109 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20181115 FILED AS OF DATE: 20181116 DATE AS OF CHANGE: 20181116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GRANT HUGH M CENTRAL INDEX KEY: 0001215373 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 181190600 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: 0930 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 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>wf-form4_154240631716323.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: wf-form4_154240631716323.html
Document 1 - RAW XML: wf-form4_154240631716323.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>poahughmgrant4302018001.jpg <DESCRIPTION>NEW POA GRANT 2 <TEXT> Document 2 - file: poahughmgrant4302018001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>EX-24 <SEQUENCE>3 <FILENAME>poahughmgrant4302018.htm <DESCRIPTION>NEW POA GRANT 1 <TEXT> Document 3 - file: poahughmgrant4302018.htm
</DOCUMENT> </SEC-DOCUMENT>