Tetra Tech Inc reports

Location
3475 East Foothill Boulevard, Pasadena, CA
State of incorporation
DE
Fiscal year end
September 29
Data updated at
11/19/2024, 04:13 PM
Form type Sec Links Description Filing date Reporting date
10-K Report | Data 10-K Nov 19, 2024 Sep 29, 2024
8-K Report | Data FORM 8-K Nov 13, 2024 Nov 13, 2024
8-K Report | Data FORM 8-K Sep 6, 2024 Sep 6, 2024
8-K Report | Data FORM 8-K Aug 2, 2024 Jul 29, 2024
10-Q Report | Data 10-Q Aug 2, 2024 Jun 30, 2024
8-K Report | Data FORM 8-K Jul 31, 2024 Jul 31, 2024
8-K Report | Data FORM 8-K May 24, 2024 May 21, 2024
10-Q Report | Data 10-Q May 3, 2024 Mar 31, 2024
8-K Report | Data FORM 8-K May 1, 2024 May 1, 2024
8-K Report | Data FORM 8-K Mar 1, 2024 Feb 29, 2024
SC 13G/A Report SEC SCHEDULE 13G Feb 14, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 13, 2024
10-Q Report | Data 10-Q Feb 2, 2024 Dec 31, 2023
8-K Report | Data FORM 8-K Jan 31, 2024 Jan 31, 2024
SC 13G Report Jan 31, 2024
SC 13G/A Report Jan 24, 2024
10-K Report | Data 10-K Nov 22, 2023 Oct 1, 2023
8-K/A Report | Data FORM 8-K/A Nov 15, 2023 Feb 28, 2023
8-K Report | Data FORM 8-K Nov 15, 2023 Nov 15, 2023
8-K Report | Data FORM 8-K Aug 22, 2023 Aug 17, 2023
10-K/A Report | Data FORM 10-K/A Aug 15, 2023 Oct 2, 2022
10-Q Report | Data 10-Q Aug 10, 2023 Jul 2, 2023
8-K Report | Data FORM 8-K Aug 9, 2023 Aug 9, 2023
10-Q Report | Data 10-Q May 11, 2023 Apr 2, 2023
8-K Report | Data FORM 8-K May 10, 2023 May 10, 2023
8-K Report | Data FORM 8-K May 8, 2023 May 2, 2023
8-K/A Report | Data FORM 8-K/A Apr 10, 2023 Jan 19, 2023
8-K Report | Data FORM 8-K Mar 3, 2023 Feb 28, 2023
SC 13G Report SEC SCHEDULE 13G Feb 14, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G/A Report Feb 7, 2023
10-Q Report | Data 10-Q Feb 3, 2023 Jan 1, 2023
SC 13G Report SC 13G Feb 3, 2023
8-K Report | Data FORM 8-K Feb 1, 2023 Feb 1, 2023
8-K Report | Data FORM 8-K Jan 24, 2023 Jan 19, 2023
8-K Report | Data FORM 8-K Dec 12, 2022 Dec 12, 2022
SC 13G/A Report SCHEDULE 13G/A Dec 12, 2022
10-K Report | Data 10-K Nov 25, 2022 Oct 2, 2022
8-K Report | Data FORM 8-K Nov 15, 2022 Nov 11, 2022
8-K Report | Data FORM 8-K Nov 10, 2022 Nov 7, 2022
8-K Report | Data FORM 8-K Nov 9, 2022 Nov 9, 2022
8-K Report | Data FORM 8-K Nov 3, 2022 Nov 3, 2022
8-K Report | Data FORM 8-K Oct 28, 2022 Oct 26, 2022
8-K Report | Data FORM 8-K Oct 12, 2022 Oct 11, 2022
8-K Report | Data FORM 8-K Oct 11, 2022 Oct 7, 2022
8-K Report | Data FORM 8-K Sep 26, 2022 Sep 23, 2022
10-Q Report | Data 10-Q Aug 5, 2022 Jul 3, 2022
8-K Report | Data FORM 8-K Aug 3, 2022 Aug 3, 2022
8-K Report | Data FORM 8-K Aug 2, 2022 Aug 2, 2022
10-Q Report | Data 10-Q May 6, 2022 Apr 3, 2022
8-K Report | Data FORM 8-K May 4, 2022 May 4, 2022
8-K Report | Data FORM 8-K Mar 4, 2022 Mar 1, 2022
8-K Report | Data FORM 8-K Feb 22, 2022 Feb 22, 2022
8-K Report | Data FORM 8-K Feb 22, 2022 Feb 18, 2022
SC 13G Report SC 13G Feb 10, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2022
10-Q Report | Data 10-Q Feb 4, 2022 Jan 2, 2022
8-K Report | Data FORM 8-K Feb 2, 2022 Feb 2, 2022
SC 13G/A Report Jan 27, 2022
SC 13G/A Report Jan 25, 2022
10-K Report | Data 10-K Nov 24, 2021 Oct 3, 2021
8-K Report | Data FORM 8-K Nov 17, 2021 Nov 17, 2021
8-K Report | Data FORM 8-K Oct 7, 2021 Oct 7, 2021
10-Q Report | Data 10-Q Jul 30, 2021 Jun 27, 2021
8-K Report | Data FORM 8-K Jul 28, 2021 Jul 28, 2021
10-Q Report | Data 10-Q Apr 30, 2021 Mar 28, 2021
8-K Report | Data FORM 8-K Apr 28, 2021 Apr 28, 2021
8-K Report | Data FORM 8-K Feb 25, 2021 Feb 24, 2021
SC 13G/A Report SEC SCHEDULE 13G Feb 12, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
10-Q Report | Data 10-Q Jan 29, 2021 Dec 27, 2020
8-K Report | Data FORM 8-K Jan 27, 2021 Jan 27, 2021
SC 13G/A Report Jan 27, 2021
10-K Report | Data 10-K Nov 23, 2020 Sep 27, 2020
8-K Report | Data FORM 8-K Nov 12, 2020 Nov 11, 2020
10-Q Report | Data 10-Q Jul 31, 2020 Jun 28, 2020
8-K Report | Data FORM 8-K Jul 29, 2020 Jul 29, 2020
8-K Report | Data FORM 8-K Jun 9, 2020 Jun 9, 2020
10-Q Report | Data 10-Q May 1, 2020 Mar 29, 2020
8-K Report | Data FORM 8-K Apr 29, 2020 Apr 29, 2020
8-K Report | Data FORM 8-K Feb 27, 2020 Feb 26, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report Feb 4, 2020
10-Q Report | Data 10-Q Jan 31, 2020 Dec 29, 2019
8-K Report | Data FORM 8-K Jan 29, 2020 Jan 29, 2020
10-K Report | Data 10-K Nov 29, 2019 Sep 29, 2019
8-K Report | Data FORM 8-K Nov 13, 2019 Nov 13, 2019
8-K Report | Data FORM 8-K Oct 2, 2019 Sep 30, 2019
10-Q Report | Data 10-Q Aug 2, 2019 Jun 30, 2019
8-K Report 8-K Jul 31, 2019 Jul 31, 2019
10-Q Report | Data 10-Q May 3, 2019 Mar 31, 2019
8-K Report 8-K May 1, 2019 May 1, 2019
8-K Report 8-K Mar 1, 2019 Feb 28, 2019
SC 13G/A Report Feb 12, 2019
SC 13G/A Report SCHEDULE 13G/A Feb 8, 2019
10-Q Report | Data 10-Q Feb 1, 2019 Dec 30, 2018
SC 13G/A Report Jan 31, 2019
8-K Report 8-K Jan 30, 2019 Jan 30, 2019
10-K Report | Data 10-K Nov 16, 2018 Sep 30, 2018
8-K Report 8-K Nov 7, 2018 Nov 7, 2018
SC 13G/A Report Aug 8, 2018
10-Q Report | Data 10-Q Aug 3, 2018 Jul 1, 2018
8-K Report 8-K Aug 1, 2018 Jul 30, 2018
10-Q Report | Data 10-Q May 4, 2018 Apr 1, 2018
8-K Report 8-K May 2, 2018 May 2, 2018
8-K Report 8-K Mar 9, 2018 Mar 8, 2018
SC 13G/A Report Feb 12, 2018
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2018
10-Q Report | Data 10-Q Feb 1, 2018 Dec 31, 2017
8-K Report 8-K Jan 31, 2018 Jan 31, 2018
8-K Report 8-K Jan 22, 2018 Jan 22, 2018
SC 13G/A Report Jan 19, 2018
10-K Report | Data 10-K Nov 20, 2017 Oct 1, 2017
8-K Report 8-K Nov 9, 2017 Nov 8, 2017
10-Q Report | Data 10-Q Aug 4, 2017 Jul 2, 2017
8-K Report | Data 8-K Aug 3, 2017 Aug 2, 2017
10-Q Report | Data 10-Q May 5, 2017 Apr 2, 2017
8-K Report 8-K May 4, 2017 May 3, 2017
8-K Report 8-K Mar 3, 2017 Mar 2, 2017
SC 13G/A Report Feb 10, 2017
SC 13G Report SCHEDULE 13G Feb 9, 2017
10-Q Report | Data 10-Q Feb 3, 2017 Jan 1, 2017
8-K Report 8-K Feb 2, 2017 Feb 1, 2017
SC 13G/A Report Jan 17, 2017
10-K Report | Data 10-K Nov 22, 2016 Oct 2, 2016
8-K Report 8-K Nov 10, 2016 Nov 9, 2016
10-Q Report | Data 10-Q Jul 29, 2016 Jun 26, 2016
8-K Report 8-K Jul 28, 2016 Jul 27, 2016
10-Q Report | Data 10-Q May 4, 2016 Mar 27, 2016
8-K Report | Data 8-K Apr 28, 2016 Apr 27, 2016
SC 13G/A Report Apr 8, 2016
8-K Report 8-K Mar 4, 2016 Mar 3, 2016
SC 13G/A Report Feb 10, 2016
SC 13G Report SCHEDULE 13G Feb 9, 2016
10-Q Report | Data 10-Q Jan 29, 2016 Dec 27, 2015
8-K Report 8-K Jan 28, 2016 Jan 27, 2016
SC 13G/A Report Jan 27, 2016
8-K Report 8-K Jan 19, 2016 Jan 19, 2016
10-K Report | Data 10-K Nov 20, 2015 Sep 27, 2015
8-K Report 8-K Nov 12, 2015 Nov 11, 2015
8-K Report 8-K Oct 14, 2015 Oct 14, 2015
SC 13G/A Report Aug 12, 2015
10-Q Report | Data 10-Q Jul 31, 2015 Jun 28, 2015
8-K Report 8-K Jul 30, 2015 Jul 29, 2015
8-K Report 8-K Jun 2, 2015 May 29, 2015
8-K Report 8-K May 13, 2015 May 13, 2015
10-Q Report | Data 10-Q May 1, 2015 Mar 29, 2015
8-K Report 8-K Apr 30, 2015 Apr 29, 2015
8-K Report 8-K Apr 9, 2015 Apr 8, 2015
8-K Report 8-K Mar 6, 2015 Mar 5, 2015
SC 13G/A Report Feb 10, 2015
SC 13G Report Feb 9, 2015
10-Q Report | Data 10-Q Feb 2, 2015 Dec 28, 2014
8-K Report 8-K Jan 29, 2015 Jan 28, 2015
SC 13G/A Report Jan 15, 2015
10-K Report | Data 10-K Nov 19, 2014 Sep 28, 2014
8-K Report 8-K Nov 13, 2014 Nov 12, 2014
8-K Report 8-K Sep 25, 2014 Sep 24, 2014
10-Q Report | Data 10-Q Aug 4, 2014 Jun 29, 2014
8-K Report 8-K Jul 31, 2014 Jul 28, 2014
8-K Report 8-K Jun 24, 2014 Jun 23, 2014
10-Q Report | Data 10-Q May 2, 2014 Mar 30, 2014
8-K Report 8-K May 1, 2014 Apr 30, 2014
8-K Report 8-K Feb 28, 2014 Feb 27, 2014
SC 13G/A Report Feb 12, 2014
10-Q Report | Data 10-Q Jan 31, 2014 Dec 29, 2013
SC 13G/A Report Jan 30, 2014
8-K Report 8-K Jan 30, 2014 Jan 27, 2014
10-K Report | Data 10-K Nov 20, 2013 Sep 29, 2013
8-K Report 8-K Nov 18, 2013 Nov 14, 2013
8-K Report 8-K Nov 14, 2013 Nov 13, 2013
8-K Report 8-K Sep 30, 2013 Sep 27, 2013
10-Q Report | Data 10-Q Aug 9, 2013 Jun 30, 2013
8-K Report 8-K Aug 8, 2013 Aug 7, 2013
8-K Report 8-K Jul 31, 2013 Jul 29, 2013
8-K Report 8-K Jun 19, 2013 Jun 18, 2013
8-K Report 8-K May 9, 2013 May 7, 2013
10-Q Report | Data 10-Q May 3, 2013 Mar 31, 2013
8-K Report 8-K May 2, 2013 May 1, 2013
8-K Report 8-K Apr 9, 2013 Apr 8, 2013
8-K Report 8-K Feb 27, 2013 Feb 26, 2013
SC 13G/A Report NONE Feb 14, 2013
SC 13G/A Report Feb 11, 2013
SC 13G/A Report Feb 8, 2013
10-Q Report | Data 10-Q Feb 1, 2013 Dec 30, 2012
8-K Report 8-K Jan 31, 2013 Jan 30, 2013
10-K Report | Data 10-K Nov 15, 2012 Sep 30, 2012
8-K Report 8-K Nov 8, 2012 Nov 7, 2012
10-Q Report | Data 10-Q Aug 3, 2012 Jul 1, 2012
8-K Report 8-K Aug 2, 2012 Aug 1, 2012
10-Q Report | Data 10-Q May 4, 2012 Apr 1, 2012
8-K Report 8-K May 3, 2012 May 2, 2012
8-K/A Report 8-K/A Apr 13, 2012 Mar 1, 2011
SC 13G/A Report TETRA TECH, INC. Apr 9, 2012
8-K Report 8-K Feb 29, 2012 Feb 28, 2012
8-K Report 8-K Feb 14, 2012 Feb 13, 2012
SC 13G/A Report NONE Feb 14, 2012
SC 13G/A Report TETRA TECH, INC. 12312011 Feb 10, 2012
SC 13G/A Report Feb 10, 2012
SC 13G Report Feb 9, 2012
10-Q Report | Data 10-Q Feb 3, 2012 Jan 1, 2012
8-K Report 8-K Feb 2, 2012 Feb 1, 2012
10-K Report | Data 10-K Nov 17, 2011 Oct 2, 2011
8-K Report 8-K Nov 10, 2011 Nov 9, 2011
10-Q Report | Data 10-Q Aug 5, 2011 Jul 3, 2011
8-K Report 8-K Aug 4, 2011 Aug 3, 2011
8-K Report 8-K Jul 20, 2011 Jul 15, 2011
10-Q Report | Data 10-Q May 6, 2011 Apr 3, 2011
8-K Report 8-K May 5, 2011 May 4, 2011
8-K Report 8-K Mar 30, 2011 Mar 28, 2011
8-K Report 8-K Mar 11, 2011 Mar 10, 2011
8-K Report 8-K Mar 3, 2011 Mar 1, 2011
SC 13G/A Report Feb 14, 2011
SC 13G/A Report TETRA TECH, INC. Feb 14, 2011
SC 13G/A Report Feb 9, 2011
10-Q Report | Data 10-Q Feb 4, 2011 Jan 2, 2011
8-K Report 8-K Feb 3, 2011 Feb 2, 2011
10-K Report | Data 10-K Nov 16, 2010 Oct 3, 2010
8-K Report 8-K Nov 12, 2010 Nov 10, 2010
10-Q Report | Data 10-Q Jul 30, 2010 Jun 27, 2010
8-K Report 8-K Jul 29, 2010 Jul 28, 2010
10-Q Report 10-Q Apr 30, 2010 Mar 28, 2010
8-K Report 8-K Apr 29, 2010 Apr 28, 2010
10-K/A Report 10-K/A Mar 26, 2010 Sep 27, 2009
8-K Report 8-K Mar 2, 2010 Feb 25, 2010
SC 13G/A Report TETRA TECH, INC. Feb 12, 2010
SC 13G Report Feb 12, 2010
10-Q Report 10-Q Jan 29, 2010 Dec 27, 2009
SC 13G Report Jan 29, 2010
8-K Report 8-K Jan 28, 2010 Jan 27, 2010
10-K Report FORM 10-K Nov 16, 2009 Sep 27, 2009
10-Q Report 10-Q Jul 31, 2009 Jun 28, 2009
10-Q Report 10-Q May 1, 2009 Mar 29, 2009
10-Q Report 10-Q Jan 30, 2009 Dec 28, 2008
10-K Report 10-K Nov 19, 2008 Sep 28, 2008
10-Q Report 10-Q Aug 1, 2008 Jun 29, 2008
10-Q Report 10-Q May 2, 2008 Mar 30, 2008
10-Q Report 10-Q Feb 1, 2008 Dec 30, 2007
10-K Report 10-K Nov 27, 2007 Sep 30, 2007
10-Q Report 10-Q Aug 3, 2007 Jul 1, 2007
10-Q Report 10-Q May 4, 2007 Apr 1, 2007
10-Q Report 10-Q Feb 6, 2007 Dec 31, 2006
10-K Report ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D) Dec 28, 2006 Oct 1, 2006
10-Q Report QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) Aug 16, 2006 Jul 2, 2006
10-Q Report QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) May 12, 2006 Apr 2, 2006
10-Q Report QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) Feb 10, 2006 Jan 1, 2006
10-K Report ANNUAL REPORT PURSUANT TO SECTION 13 AND 15(D) Dec 16, 2005 Oct 2, 2005
10-Q Report 10-Q Aug 12, 2005 Jul 3, 2005
10-Q Report 10-Q May 13, 2005 Apr 3, 2005
10-Q Report 10-Q Feb 11, 2005 Jan 2, 2005
10-K Report FORM 10-K Jan 3, 2005 Oct 3, 2004
10-Q Report 10-Q Aug 11, 2004 Jun 27, 2004
10-Q Report 10-Q May 12, 2004 Mar 28, 2004
10-Q Report 10-Q Feb 11, 2004 Dec 28, 2003
10-K Report FORM 10-K Dec 16, 2003 Sep 28, 2003
10-Q Report 10-Q Aug 13, 2003 Jun 29, 2003
10-Q Report 10-Q May 14, 2003 Mar 30, 2003
10-Q Report FORM 10-Q Feb 12, 2003 Dec 29, 2002
10-K Report 10-K Dec 30, 2002 Sep 29, 2002
10-Q Report 10-Q Aug 14, 2002 Jun 30, 2002
10-Q Report 10-Q May 15, 2002 Mar 31, 2002
10-Q Report FORM 10-Q Feb 13, 2002 Dec 30, 2001
10-K Report 10-K Dec 31, 2001 Sep 30, 2001
10-Q Report 10-Q Aug 15, 2001 Jul 1, 2001
10-Q Report 10-Q May 16, 2001 Apr 1, 2001
10-Q Report FORM 10-Q Feb 14, 2001 Dec 31, 2000
10-K Report FORM 10K Dec 29, 2000 Oct 1, 2000
10-Q Report 10-Q Aug 16, 2000 Jul 2, 2000
10-Q Report FORM 10-Q May 17, 2000 Apr 2, 2000
10-Q Report 10-Q Feb 16, 2000 Jan 2, 2000
10-K Report FORM 10K Dec 30, 1999 Oct 3, 1999
10-Q Report FORM 10-Q Aug 18, 1999 Jul 4, 1999
10-Q Report FORM 10-Q May 19, 1999 Apr 4, 1999
10-Q Report FORM 10-Q Feb 16, 1999 Jan 3, 1999
10-K Report FORM 10-K Dec 31, 1998 Oct 4, 1998
10-Q Report FORM 10-Q Aug 11, 1998 Jun 28, 1998
10-Q Report 10-Q May 13, 1998 Mar 29, 1998
10-Q Report 10-Q Feb 10, 1998 Dec 28, 1997
10-K Report 10-K Dec 29, 1997 Sep 28, 1997
10-Q Report FORM 10-Q Aug 13, 1997 Jun 29, 1997
10-Q Report FORM 10-Q May 14, 1997 Mar 30, 1997
10-Q Report FORM 10-Q Feb 12, 1997 Dec 29, 1996
10-K Report FORM 10-K Dec 30, 1996 Sep 29, 1996
10-Q Report FORM 10-Q FOR PERIOD ENDED JUNE 30, 1996 Aug 13, 1996 Jun 30, 1996
10-Q Report FORM 10-Q DATED 3/31/96 May 8, 1996 Mar 31, 1996