SCHEDULE: Vanguard Reports Reduced Stake in Geospace Technologies

The Vanguard Group disclosed a 4.94% beneficial ownership in Geospace Technologies Corp, holding 634,463 common shares as of September 30, 2025.

Summary

• The Vanguard Group, a major institutional investor, filed an Amendment No. 1 to Schedule 13G regarding its beneficial ownership in Geospace Technologies Corp.
• As of September 30, 2025, Vanguard beneficially owned 634,463 shares of Geospace Technologies Corp. Common Stock.
• This ownership represents 4.94% of the class of securities, placing Vanguard below the 5% threshold for initial Schedule 13G filings.
• Vanguard holds sole dispositive power over 558,445 shares and shared dispositive power over 76,018 shares.
• Vanguard holds sole voting power over 0 shares and shared voting power over 70,992 shares.
• The filing certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: The filing is a routine beneficial ownership disclosure by an institutional investor, indicating a passive stake below 5%. It provides no direct positive or negative operational or financial news about Geospace Technologies Corp, thus maintaining a neutral sentiment.

Positives

• The continued, albeit reduced, investment by a major institutional investor like The Vanguard Group may signal ongoing, passive confidence in Geospace Technologies Corp.

Negatives

• The reduction in beneficial ownership to below 5% (as indicated by the 4.94% reported and the 'Ownership of 5 Percent or Less of a Class' statement) suggests a decrease in Vanguard's stake, which could be interpreted as a slight reduction in institutional interest or a portfolio rebalancing.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding Geospace Technologies Corp's future performance or strategic direction.

Management Comments

• The Vanguard Group certified that the securities were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of Geospace Technologies Corp.

Industry Context

This filing reflects a routine disclosure by a large asset manager, The Vanguard Group, regarding its passive investment holdings. Such adjustments in ownership by major index fund providers are common and often reflect changes in market capitalization, index rebalancing, or client flows rather than specific views on the underlying company's prospects.

Stakeholder Impact

• Shareholders: Provides transparency regarding institutional ownership, showing that The Vanguard Group maintains a significant, albeit reduced, passive stake in the company.

Key Dates

Keywords

Geospace Technologies Corp, Vanguard Group, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, SEC Filing, Investment