GEOS US Equity

Geospace Technologies Corp

Information Technology · Measuring & Controlling Devices, NEC · CIK 1001115 · FY ends Sep 30

$5.51

+0.14 (+2.61%)

USD · as of 2026-08-21 · marketstack

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Events

Date	Event	What happened / filer	Source
2026-08-14	13G/A	Schedule 13G amendment — ≥5% beneficial owner (passive) · by DISCIPLINED GROWTH INVESTORS INC /MN	sec.gov ↗
2026-08-07	8-K 2.02	Results of operations and financial condition (earnings)earnings history (EARN) →	sec.gov ↗
2026-07-31	13G/A	Schedule 13G amendment — ≥5% beneficial owner (passive) · by VANGUARD CAPITAL MANAGEMENT LLC	sec.gov ↗

Date

Event

What happened / filer

Source

2026-08-14

13G/A

Schedule 13G amendment — ≥5% beneficial owner (passive) · by DISCIPLINED GROWTH INVESTORS INC /MN

2026-08-07

8-K 2.02

Results of operations and financial condition (earnings)earnings history (EARN) →

2026-07-31

13G/A

Schedule 13G amendment — ≥5% beneficial owner (passive) · by VANGUARD CAPITAL MANAGEMENT LLC

Source: SEC EDGAR (public domain) · history starts 2026-07-31

Every row is a filed document, checked against its EDGAR index.