10-K
File 000-19655
10-K
- Filing date
- 20 Nov 2025
- Reporting date
- 28 Sep 2025
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
TETRA TECH INC reports
- Company location
- Pasadena, CA
- Fiscal year end
- 27 September
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
TETRA TECH INC has filed 2,116 SEC EDGAR filings since 10 Feb 1995
SEC filing history
Showing 1-18 of 18 matching filings.
Per page
25
Current page
1
10-K
File 000-19655
10-K
- Filing date
- 19 Nov 2024
- Reporting date
- 29 Sep 2024
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 22 Nov 2023
- Reporting date
- 01 Oct 2023
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K/A
File 000-19655
FORM 10-K/A
- Filing date
- 15 Aug 2023
- Reporting date
- 02 Oct 2022
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 25 Nov 2022
- Reporting date
- 02 Oct 2022
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 24 Nov 2021
- Reporting date
- 03 Oct 2021
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 23 Nov 2020
- Reporting date
- 27 Sep 2020
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 29 Nov 2019
- Reporting date
- 29 Sep 2019
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 16 Nov 2018
- Reporting date
- 30 Sep 2018
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 20 Nov 2017
- Reporting date
- 01 Oct 2017
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 22 Nov 2016
- Reporting date
- 02 Oct 2016
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 20 Nov 2015
- Reporting date
- 27 Sep 2015
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 19 Nov 2014
- Reporting date
- 28 Sep 2014
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 20 Nov 2013
- Reporting date
- 29 Sep 2013
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 15 Nov 2012
- Reporting date
- 30 Sep 2012
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 17 Nov 2011
- Reporting date
- 02 Oct 2011
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K
File 000-19655
10-K
- Filing date
- 16 Nov 2010
- Reporting date
- 03 Oct 2010
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
10-K/A
File 000-19655
10-K/A
- Filing date
- 26 Mar 2010
- Reporting date
- 27 Sep 2009
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing