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TETRA TECH INC (TTEK) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/09/2023 SC 13G/A VANGUARD GROUP INC reports a 10.1% stake in Tetra Tech Inc.
02/07/2023 SC 13G/A BlackRock Inc. reports a 10.8% stake in TETRA TECH INC
12/12/2022 SC 13G/A VANGUARD GROUP INC reports a 10% stake in Tetra Tech Inc.
02/10/2022 SC 13G/A VANGUARD GROUP INC reports a 9.7% stake in Tetra Tech Inc.
01/27/2022 SC 13G/A BlackRock Inc. reports a 13.1% stake in TETRA TECH INC
01/25/2022 SC 13G/A BlackRock Inc. reports a 13.1% stake in TETRA TECH INC
02/12/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/10/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/11/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/04/2020 SC 13G/A BlackRock Inc. reports a 12.4% stake in TETRA TECH INC
02/11/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/08/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/31/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
08/08/2018 SC 13G/A VANGUARD GROUP INC reports a 10% stake in Tetra Tech Inc
02/12/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/09/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/19/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/10/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/17/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
04/08/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/10/2016 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/11/2013 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
04/09/2012 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/14/2012 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/10/2012 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/10/2012 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/14/2011 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/14/2011 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/09/2011 SC 13G/A TETRA TECH INC reports a 8.1% stake in TETRA TECH INC
02/12/2010 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/17/2009 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/12/2009 SC 13G/A Invesco Ltd. reports a 8.5% stake in Tetra Tech, Inc.
01/23/2009 SC 13G/A Form SC 13G/A -- Statement of acquisition of beneficial ownership by individuals [amend]

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