AST SpaceMobile (ASTS) Stock After-Hours Today: BlueBird 6 Launch Tonight, Insider-Sale Overhang, and What to Watch Before the Market Opens Dec. 24, 2025
AST SpaceMobile, Inc. (NASDAQ: ASTS) is ending Tuesday, December 23, 2025, with traders laser-focused on one thing: BlueBird 6, the company’s first next-generation satellite, scheduled to launch late tonight. The stock finished the regular session modestly lower, then ticked higher in after-hours trading, a sign the market is positioning for a potentially headline-driven move before Wednesday’s open—on a session that will also be shortened for U.S. markets. Below is what matters after the bell today, what’s driving the action, and what investors should keep on the radar ahead of the Dec. 24 opening print. ASTS stock price after the bell: