Form 4 Filing for Firefly Aerospace Inc.

This filing concerns a Form 4 filed by Jesung Kim, Chief Executive Officer and Director of Firefly Aerospace Inc. The filing details a disposition of 86,265 shares of common stock on September 16, 2026, with a price per share of $20.28. Following this transaction, Mr. Kim holds 855,460 shares. The transaction code "F" indicates shares withheld by the Issuer to cover tax obligations upon the vesting of restricted stock units. The filing also includes a Power of Attorney document, appointing specific individuals to act on Mr. Kim's behalf for SEC reporting obligations, including preparing and filing necessary forms such as Schedule 13D, 13G, and Forms 3, 4, and 5.