GEOSPACE TECHNOLOGIES CORP filings

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SEC filings by GEOSPACE TECHNOLOGIES CORP (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-14DISCIPLINED GROWTH INVESTORS INC /MNGEOSPACE TECHNOLOGIES CORP1,490,13511.2%EDGAR
SC 13G2024-02-13VANGUARD GROUP INCGEOSPACE TECHNOLOGIES CORP665,9855.0%EDGAR
SC 13G/A2024-02-09GATE CITY CAPITAL MANAGEMENT, LLCGEOSPACE TECHNOLOGIES CORP00.0%EDGAR
SC 13G/A2024-02-01Tieton Capital Management, LLCGEOSPACE TECHNOLOGIES CORP732,8825.6%EDGAR
SC 13G/A2023-10-10GATE CITY CAPITAL MANAGEMENT, LLCGEOSPACE TECHNOLOGIES CORP974,1587.4%EDGAR
SC 13G/A2023-02-14DISCIPLINED GROWTH INVESTORS INC /MNGEOSPACE TECHNOLOGIES CORP1,533,79011.8%EDGAR
SC 13G/A2023-02-13RUTABAGA CAPITAL MANAGEMENT LLC/MAGEOSPACE TECHNOLOGIES CORP580,3264.4%EDGAR
SC 13G/A2023-02-10DIMENSIONAL FUND ADVISORS LPGEOSPACE TECHNOLOGIES CORP544,6404.2%EDGAR
SC 13G2023-01-25Tieton Capital Management, LLCGEOSPACE TECHNOLOGIES CORP846,8126.5%EDGAR
SC 13G2023-01-10GATE CITY CAPITAL MANAGEMENT, LLCGEOSPACE TECHNOLOGIES CORP1,662,07612.8%EDGAR
SC 13G/A2022-05-10FMR LLCGEOSPACE TECHNOLOGIES CORP271,1002.1%EDGAR
SC 13G/A2022-02-15DISCIPLINED GROWTH INVESTORS INC /MNGEOSPACE TECHNOLOGIES CORP1,492,91211.5%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCGEOSPACE TECHNOLOGIES CORP587,6964.6%EDGAR
SC 13G/A2022-02-09FMR LLCGEOSPACE TECHNOLOGIES CORP1,177,4669.1%EDGAR
SC 13G/A2022-02-08DIMENSIONAL FUND ADVISORS LPGEOSPACE TECHNOLOGIES CORP668,9275.2%EDGAR
SC 13G2022-02-08RUTABAGA CAPITAL MANAGEMENT LLC/MAGEOSPACE TECHNOLOGIES CORP677,9035.2%EDGAR
SC 13G2021-02-16DISCIPLINED GROWTH INVESTORS INC /MNGEOSPACE TECHNOLOGIES CORP1,356,6819.9%EDGAR
SC 13G/A2021-02-12DIMENSIONAL FUND ADVISORS LPGEOSPACE TECHNOLOGIES CORP753,8165.5%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCGEOSPACE TECHNOLOGIES CORP743,4065.5%EDGAR
SC 13G/A2021-02-08FMR LLCGEOSPACE TECHNOLOGIES CORP1,336,6669.8%EDGAR
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