AST SpaceMobile CTO Huiwen Yao Receives 30,000 RSUs

This Form 4 filing reports that Huiwen Yao, Chief Technology Officer of AST SpaceMobile, Inc., received a grant of 30,000 restricted stock units (RSUs) on May 22, 2026. The RSUs represent a contingent right to receive shares of the company's Class A Common Stock. The grant vests in three installments: one-third on the first anniversary (May 15, 2027), one-third on the second anniversary (May 15, 2028), and the final third on September 30, 2028. The vesting is contingent on Yao's continued service through each vesting date. Following this transaction, Yao holds a total of 74,750 shares. The RSUs were granted at $0 per share, which is typical for equity compensation awards. This filing demonstrates the company's ongoing equity compensation program for key executives.