<SEC-DOCUMENT>0001728969-25-000006-index.html : 20251202
<SEC-HEADER>0001728969-25-000006.hdr.sgml : 20251202
<ACCEPTANCE-DATETIME>20251202201815
ACCESSION NUMBER:		0001728969-25-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251119
FILED AS OF DATE:		20251202
DATE AS OF CHANGE:		20251202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hopson Preston
		CENTRAL INDEX KEY:			0001728969
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19655
		FILM NUMBER:		251544691

	MAIL ADDRESS:	
		STREET 1:		3475 E FOOTHILL BLVD
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91107

	FORMER NAME:	
		FORMER CONFORMED NAME:	Hopson Preston III
		DATE OF NAME CHANGE:	20180123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TETRA TECH INC
		CENTRAL INDEX KEY:			0000831641
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				954148514
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0928

	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>wk-form4_1764724692.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1764724692.html

Document 1 - RAW XML: wk-form4_1764724692.xml

</DOCUMENT>
</SEC-DOCUMENT>