Tetra Tech Inc

Symbol: TTEK on Nasdaq
Entity: Company
Industry: Services Engineering Services (Office Of Trade & Services)
Business address: 3475 East Foothill Boulevard, 91107 Pasadena, CA
Phone: 6263514664
State of incorporation: DE
Fiscal year end: September 28
Category: Large accelerated filer
All SEC filings: View on sec.gov

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Tetra Tech Inc has filed 2,059 SEC EDGAR filings since 2/10/1995

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
10-Q	Open Document \| Data	Open Filing	10-Q	May 8, 2025	Mar 30, 2025	000-19655
8-K	Open Document \| Data	Open Filing	FORM 8-K	May 7, 2025	May 5, 2025	000-19655
SCHEDULE 13D/A	Open Document	Open Filing		Apr 15, 2025		005-43035
SCHEDULE 13G/A	Open Document	Open Filing		Apr 7, 2025		005-43035
4/A	Open Document	Open Filing	FORM 4/A	Mar 14, 2025	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Mar 3, 2025	Feb 27, 2025
8-K	Open Document \| Data	Open Filing	FORM 8-K	Feb 28, 2025	Feb 24, 2025	000-19655
SCHEDULE 13G	Open Document	Open Filing		Feb 11, 2025		005-43035
4	Open Document	Open Filing	FORM 4	Feb 6, 2025	Feb 4, 2025
SCHEDULE 13G/A	Open Document	Open Filing		Feb 6, 2025		005-43035
144	Open Document	Open Filing		Feb 4, 2025		000-19655
10-Q	Open Document \| Data	Open Filing	10-Q	Jan 31, 2025	Dec 29, 2024	000-19655
8-K	Open Document \| Data	Open Filing	FORM 8-K	Jan 30, 2025	Jan 29, 2025	000-19655
8-K	Open Document \| Data	Open Filing	FORM 8-K	Jan 17, 2025	Jan 17, 2025	000-19655
ARS	Open Document	Open Filing	ARS	Jan 16, 2025	Sep 29, 2024	000-19655
DEFA14A	Open Document	Open Filing	DEFA14A	Jan 16, 2025		000-19655
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Jan 16, 2025	Feb 27, 2025	000-19655
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Dec 3, 2024	Nov 30, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
4	Open Document	Open Filing	FORM 4	Nov 22, 2024	Nov 20, 2024
SC 13G	Open Document	Open Filing	SC 13G	Nov 21, 2024		005-43035
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
4	Open Document	Open Filing	FORM 4	Nov 20, 2024	Nov 18, 2024
10-K	Open Document \| Data	Open Filing	10-K	Nov 19, 2024	Sep 29, 2024	000-19655
8-K	Open Document \| Data	Open Filing	FORM 8-K	Nov 13, 2024	Nov 13, 2024	000-19655
4	Open Document	Open Filing	FORM 4	Oct 2, 2024	Sep 30, 2024
4	Open Document	Open Filing	FORM 4	Oct 2, 2024	Sep 30, 2024
3	Open Document	Open Filing	FORM 3	Oct 2, 2024	Sep 30, 2024

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