0001860160 2025-09-22 2025-09-22 0001860160 false 8-K 2025-09-22 Firefly Aerospace Inc. DE 001-42789 81-5194980 1320 Arrow Point Drive, #109 Cedar Park TX 78613 512 893-5570 Not Applicable false false false false Common stock, par value $0.0001 per share FLY NASDAQ true false