For the quarterly period ended September 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ Commission file number: 001-42406 HORIZON SPACE ACQUISITION II CORP. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Exact name of registrant as specified in its charter) Cayman Islands N/A (State ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ Commission file number: 001-42406 CORP. (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of (I.R.S. ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ Commission file number: 001-42406 HORIZON SPACE ACQUISITION II CORP. (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-42152 HORIZON SPACE ACQUISITION II CORP. (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of incorp ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ HORIZON SPACE ACQUISITION II CORP. (Exact name of registrant as specified in its charter) Cayman Islands N/A (State or other jurisdiction of (I.R.S. ...

S-1/A 1 hspo_s1a.htm FORM S-1/A As filed with the Securities and Exchange Commission on November 4, 2024 Registration No. 333-282758 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 To FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HORIZON SPACE ACQUISITION II CORP. (Exact name of registrant as specified in its constitutional documents) Not Applicable (Translation of Registrant's name into English) (Primary Standard Industrial Classification Code Numb ...

S-1 1 hspo_s1.htm FORM S-1 As filed with the Securities and Exchange Commission on October 21, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HORIZON SPACE ACQUISITION II CORP. (Exact name of registrant as specified in its constitutional documents) Not Applicable (Translation of Registrant's name into English) Cayman Islands 6770 Not Applicable (State or other jurisdiction of incorporation or ...