Quick Takeaways
- DIMENSIONAL FUND ADVISORS LP filed SCHEDULE 13G/A for Geospace Technologies Corp Common Stock (GEOS).
- Disclosed ownership: 4.9%.
- Date of event: 30 Sep 2025.
DIMENSIONAL FUND ADVISORS LP - 30 Sep 2025 SCHEDULE 13G/A Report for Geospace Technologies Corp Common Stock (GEOS)
- Filing Manager
- DIMENSIONAL FUND ADVISORS LP
- Reporting Manager
- Dimensional Fund Advisors LP
- Symbol
- GEOS
- Shares outstanding
- 12,824,571 shares
- Disclosed Ownership
- 628,404 shares
- Ownership
- 4.9%
- Form type
- SCHEDULE 13G/A
- Filing time
- 09 Oct 2025, 13:48:11 UTC
- Date of event
- 30 Sep 2025
- Previous filing
- 23 Jan 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"DIMENSIONAL FUND ADVISORS LP disclosed 4.9% ownership in Geospace Technologies Corp Common Stock (GEOS) on 30 Sep 2025."
What Changed
- Previous schedule filing date: 23 Jan 2025.
- Current filing was accepted on 09 Oct 2025, 13:48.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 4.9% | 628,404 | 614,158 | 0 | Selwyn Notelovitz | Global Chief Compliance Officer |