Director Keith R. Larson's purchase of 675 shares contrasts with recent insider selling activities.AST SpaceMobile's stock price declined by 1.6%, influenced by insider sales and challenging financial metrics.The company's financial health shows a mix of high valuation ratios and strong liquidity indicators.AST SpaceMobile, Inc. (NASDAQ: ASTS) is a company focused on developing space-based cellular broadband networks. It aims to provide mobile connectivity directly from satellites to standard mobile phones. ...