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GEOSPACE TECHNOLOGIES CORP (GEOS) Create: Alert

All | News | Filings
Date FiledTypeDescription
10/10/2023 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2023 SC 13G/A DISCIPLINED GROWTH INVESTORS INC reports a 11.8% stake in GEOSPACE TECHNOLOGIES CORPORATION
02/13/2023 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/10/2023 SC 13G/A DIMENSIONAL FUND ADVISORS LP reports a 4.2% stake in Geospace Technologies Corp
05/10/2022 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2022 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/10/2022 SC 13G/A VANGUARD GROUP INC reports a 4.6% stake in Geospace Technologies Corp.
02/09/2022 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/08/2022 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
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]
02/08/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/08/2021 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
07/10/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/12/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/12/2020 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/07/2020 SC 13G/A FMR LLC reports a 10.5% stake in GEOSPACE TECHNOLOGIES CORP
01/21/2020 SC 13G/A Nierenberg Investment Management reports a 2.9% stake in Geospace Technologies Corp.
01/10/2020 SC 13G/A BlackRock Inc. reports a 15.1% stake in GEOSPACE TECHNOLOGIES CORPORATION
02/13/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/11/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/28/2019 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
06/08/2018 SC 13G/A BROWN CAPITAL MANAGEMENT LLC reports a 0.8% stake in Geospace Technologies Corporation
02/15/2018 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2018 SC 13G/A BROWN CAPITAL MANAGEMENT LLC reports a 11.5% stake in * Geospace Technologies Corporation
02/13/2018 SC 13G/A FMR LLC reports a 14.7% stake in GEOSPACE TECHNOLOGIES CORP
02/09/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
01/12/2017 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend]
01/11/2017 SC 13G/A Lemelson Capital Management LLC reports a 9% stake in Geospace Technologies Corporation
09/10/2013 SC 13G/A OYO GEOSPACE CORP reports a 10.5% stake in Geospace Technologies Corporation
08/09/2013 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
05/10/2013 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
02/24/2012 SC 13G/A OYO CORP reports a 0% stake in OYO Geospace Corporation
01/25/2012 SC 13G/A Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend]
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