UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the transition period from _______ to _______ Commission file number: 001-42406 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 1412 Broadway, 21st Floor, Suite 21V, New York, NY 10018 (Address of principal executive offices) HORIZON SPACE ACQ ...