Form 4 Filing for Archer Aviation Inc.

Priya Gupta, Interim CFO of Archer Aviation Inc., reported transactions on May 15, 2026, involving the acquisition of Class A Common Stock through the vesting of Restricted Stock Units (RSUs). Specifically, 3,583 RSUs vested and were acquired, followed by 6,524 and 10,291 RSUs vesting and being acquired on the same day. These transactions are marked under code "M". On May 18, 2026, Gupta sold 9,860 shares of Class A Common Stock at a weighted average price of $5.9527 per share (transaction code "S") to cover tax withholding obligations incurred from the vesting of RSUs. The post-transaction share count for Gupta after these sales is 189,050 shares.