Form 4 Filing for Archer Aviation Inc. - Officer Transactions

This filing details stock transactions by Thomas Paul Muniz, Chief Technology Officer of Archer Aviation Inc. (ACHR). On May 15, 2026, Muniz acquired 143,750 shares of Class A Common Stock through the vesting of restricted stock units, along with additional acquisitions of 8,946, 7,611, and 7,719 shares. Concurrently, he disposed of 44,740 shares at a weighted average price of $6.0611 and 44,740 shares at a weighted average price of $5.9527 on May 15 and May 18, 2026, respectively. These sales were primarily to cover tax withholding obligations incurred from the vesting of restricted stock units. The filing also includes details on the vesting schedules and terms of the restricted stock units.