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Filing
SCHEDULE 13G/A
SCHEDULE 13G/A0001050442-26-000005·DISCIPLINED GROWTH INVESTORS INC /MN
Schedule 13G ownership disclosure
Geospace Technologies Corp
Common Stock · CUSIP: 37364X109
Event date: 2025-12-31
- Filing-level shares
- 1,131,568.00
- Percent of class
- 8.8%
- DISCIPLINED GROWTH INVESTORS INC /MN
Shares: 1,131,568.00 · Class: 8.8%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001050442-26-000005
- Form type
- SCHEDULE 13G/A
- Filer
- DISCIPLINED GROWTH INVESTORS INC /MN
- CIK
- CIK 1050442
- Filed
- Feb 17, 2026
- Reporting period
- Dec 31, 2025
- Description
- Schedule 13G beneficial ownership