424B3

AST SpaceMobile completed a business combination with a SPAC on April 6, 2021, raising approximately $456 million in net proceeds and gaining Nasdaq listing under ticker ASTS, while simultaneously recording $115.5 million in warrant liabilities that generated a $41.7 million non-cash loss in the first half of 2021. The company reported $3.7 million in revenue for the six months ended June 30, 2021 (primarily from its NanoAvionika subsidiary), but posted a net loss of $77.3 million as it continued advancing development of its BlueWalker 3 test satellite and first-generation constellation of space-based cellular broadband satellites, with $402.6 million in cash on hand as of mid-2021.