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
Security: Geospace Technologies Corp Common Stock
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

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