SCHEDULE 13G/A

The Vanguard Group reported beneficial ownership of 21.5 million shares of AST SpaceMobile, representing 7.68 percent of the company's common stock as of December 31, 2025. Vanguard holds shared voting power over 1.8 million shares and shared dispositive power over all 21.5 million shares, with the securities held on behalf of its investment company clients and managed accounts. The filing notes that Vanguard underwent an internal realignment on January 12, 2026, whereby certain subsidiaries will separately report their beneficial ownership going forward rather than aggregating with the parent company.