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, Inc. (NASDAQ: ASTS) ended Friday, December 12, 2025, under pressure after a sharp regular-session decline that kept investors focused on two themes: fresh selling-related disclosures and the high-stakes countdown to the company’s next-generation “BlueBird 6” satellite launch—with mixed signals about the precise launch date. As of 5:44 p.m. ET (after the closing bell), ASTS was trading around $76.70, down about 9.5% on the day. Key takeaways for ASTS investors (Dec. 12, 2025) ASTS stock after the bell: price action recap for Friday, Dec. 12, 2025 ASTS traded sharply lower during Friday’s regular session, with a wide intraday range