DISCIPLINED GROWTH INVESTORS INC /MN - Dec 31, 2024 Form SCHEDULE 13G/A Schedule Report for GEOSPACE TECHNOLOGIES CORP (GEOS)

Filing Manager: DISCIPLINED GROWTH INVESTORS INC /MN
Reporting Manager: DISCIPLINED GROWTH INVESTORS INC /MN
Security: GEOSPACE TECHNOLOGIES CORP Class A Common Stock
Symbol: GEOS
Shares outstanding: 12.7M shares
Disclosed Ownership: 1.43M shares
Ownership: 11.2%
Form type: SCHEDULE 13G/A
Date filed: 2/14/2025, 02:59 PM
Date of event: Dec 31, 2024
Previous filing: Nov 14, 2024
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
DISCIPLINED GROWTH INVESTORS INC /MN	11.2%	1.43M	1.43M	0	Peter G. Rieke	Chief Compliance Officer