<SEC-DOCUMENT>0001929980-25-000663-index.html : 20251003 <SEC-HEADER>0001929980-25-000663.hdr.sgml : 20251003 <ACCEPTANCE-DATETIME>20251003172534 ACCESSION NUMBER: 0001929980-25-000663 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 16 CONFORMED PERIOD OF REPORT: 20250929 ITEM INFORMATION: Entry into a Material Definitive Agreement ITEM INFORMATION: Termination of a Material Definitive Agreement ITEM INFORMATION: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant ITEM INFORMATION: Unregistered Sales of Equity Securities ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20251003 DATE AS OF CHANGE: 20251003 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Horizon Space Acquisition I Corp. CENTRAL INDEX KEY: 0001946021 STANDARD INDUSTRIAL CLASSIFICATION: BLANK CHECKS [6770] ORGANIZATION NAME: 05 Real Estate & Construction EIN: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-41578 FILM NUMBER: 251375053 BUSINESS ADDRESS: STREET 1: 1412 BROADWAY, 21ST FLOOR CITY: NEW YORK STATE: NY ZIP: 10018 BUSINESS PHONE: 1 347-407-265 MAIL ADDRESS: STREET 1: 1412 BROADWAY, 21ST FLOOR CITY: NEW YORK STATE: NY ZIP: 10018 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>hspo_8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: hspo_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.1 <SEQUENCE>2 <FILENAME>hspo_ex101.htm <DESCRIPTION>AMENDMENT NO. 1 TO THE UNDERWRITING AGREEMENT <TEXT> Document 2 - file: hspo_ex101.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.2 <SEQUENCE>3 <FILENAME>hspo_ex102.htm <DESCRIPTION>EXTENSION PROMISSORY NOTE <TEXT> Document 3 - file: hspo_ex102.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>4 <FILENAME>hspo-20250929.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 4 - file: hspo-20250929.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>5 <FILENAME>hspo-20250929_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 5 - file: hspo-20250929_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>6 <FILENAME>hspo-20250929_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 6 - file: hspo-20250929_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>hspo-20250929_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 7 - file: hspo-20250929_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>8 <FILENAME>hspo-20250929_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 8 - file: hspo-20250929_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: FilingSummary.html
Document 14 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>17 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>18 <FILENAME>0001929980-25-000663-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 18 - file: 0001929980-25-000663-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>19 <FILENAME>hspo_8k_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 19 - file: hspo_8k_htm.html
Document 19 - RAW XML: hspo_8k_htm.xml
</DOCUMENT> </SEC-DOCUMENT>