Form 4 Filing: Officer Stock Acquisition

Wu Remington, Chief Accounting Officer of Firefly Aerospace Inc., acquired 10,423 shares of Common Stock on April 8, 2026, with a transaction price of $0.00. This acquisition was made under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan and represents restricted stock units (RSUs). The shares vest over time, with one-third vesting at the one-year anniversary of the grant date and the remainder vesting quarterly thereafter, contingent upon continued employment. Following this transaction, Wu Remington directly owns 40,423 shares of Common Stock.