AST SpaceMobile (ASTS) Stock Slides After the Bell on Dec. 12, 2025: Insider-Selling Filings, BlueBird 6 Launch Timing Questions, and What to Watch Before the Next Open
AST SpaceMobile shares fell 9.5% to around $76.70 Friday, with heavy volume after disclosures of planned sales by American Tower and a company executive. Uncertainty over the BlueBird 6 satellite launch date added to pressure, as industry sources reported possible delays beyond the previously targeted Dec. 15. U.S. markets will be closed Saturday, with trading resuming Monday.