Vanguard Capital Management Decreases Stake in Geospace Technologies Corp Below 5% Threshold

On July 31, 2026, Vanguard Capital Management LLC filed a Schedule 13G/A with the SEC, reporting a 4.61% ownership stake in Geospace Technologies Corp (GEOS). As of the event date on June 30, 2026, the firm beneficially owns 596,679 shares of common stock. This filing represents an amendment to a previous report, indicating that Vanguard's ownership has fallen below the 5% threshold, as noted in Item 5 of the filing. The reporting entity maintains sole dispositive power over all 596,679 shares, while holding sole voting power over 81,612 shares. The filing includes holdings from various affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. Vanguard certified that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. This decrease in position signifies that Vanguard is no longer a substantial 5% shareholder in Geospace Technologies Corp.