0002088896 2026-06-04 2026-06-04 0002088896 false 8-K 2026-06-04 X-Energy, Inc. DE 001-43246 41-3934505 530 Gaither Road Suite 700 Rockville MD 20850 310 358-5600 false false false false Class A common stock, par value $0.0001 per share XE NASDAQ true false