X0202 SCHEDULE 13G/A 0002081011 XXXXXXXX LIVE 1 Common Stock, par value $0.0001 per share 06/30/2026 0001860160 Firefly Aerospace Inc. 31816X106 2203 Scottsdale Drive Leander TX 78641 Rule 13d-1(d) Astera Institute DE 0.00 11338168.00 0.00 11338168.00 11338168.00 N 6.9 CO Jed McCaleb X1 0.00 11338168.00 0.00 11338168.00 11338168.00 N 6.9 IN Firefly Aerospace Inc. 2203 Scottsdale Drive Leander, TX, 78641 Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: Astera Institute Jed McCaleb The principal business address of each of the Reporting Persons is 1351 Ocean Ave, Emeryville, CA 94608. Astera Institute is organized under the laws of the State of Delaware. Jed McCaleb is a citizen of the United States. Y The ownership information presented below represents beneficial ownership of the shares of Common Stock as of June 30, 2026, based upon 164,067,383 shares of Common Stock outstanding as of June 1, 2026, as disclosed in the Issuer's Prospectus filed with the Securities and Exchange Commission on June 1, 2026. Astera Institute is the record holder of the shares of Common Stock reported herein. Astera Institute is a non-profit organization and Jed McCaleb is the executive director of such organization. As such, Mr. McCaleb disclaims beneficial ownership of any securities held by Astera Institute. 6.9% 0 11,338,168 0 11,338,168 Y Y Y Y Y Y Exhibit 99: Joint Filing Agreement (previously filed). Astera Institute /s/ Jed McCaleb 08/11/2026 Jed McCaleb /s/ Jed McCaleb 08/11/2026