{"filing": {"accession": "0001213900-26-034729", "cik": "0002079253", "ticker": "APXTW", "company_name": "Apex Treasury Corp", "form_type": "10-K", "filing_type": "10-K", "filing_date": "2026-03-26", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "https://www.sec.gov/Archives/edgar/data/2079253/000121390026034729/0001213900-26-034729-index.htm", "filing_url": "https://www.sec.gov/Archives/edgar/data/2079253/000121390026034729/0001213900-26-034729-index.htm", "period_of_report": "2025-12-31"}, "html_url": "/api/filings/000121390026034729/stream", "exhibits": [], "sections": [{"section_name": "item_1", "section_title": "Business", "start_position": 4811, "end_position": 4842}, {"section_name": "item_1a", "section_title": "Risk Factors", "start_position": 4842, "end_position": 4879}, {"section_name": "item_1b", "section_title": "Unresolved Staff Comments", "start_position": 4879, "end_position": 4929}, {"section_name": "item_1c", "section_title": "Cybersecurity", "start_position": 4929, "end_position": 4967}, {"section_name": "item_2", "section_title": "Properties", "start_position": 4967, "end_position": 5001}, {"section_name": "item_3", "section_title": "Legal Proceedings", "start_position": 5001, "end_position": 5042}, {"section_name": "item_4", "section_title": "Mine Safety Disclosures", "start_position": 5042, "end_position": 5087}, {"section_name": "item_5", "section_title": "Market for Registrant's Common Equity", "start_position": 5111, "end_position": 5277}, {"section_name": "item_7", "section_title": "Management's Discussion and Analysis", "start_position": 5277, "end_position": 5386}, {"section_name": "item_7a", "section_title": "Quantitative and Qualitative Disclosures", "start_position": 5386, "end_position": 5469}, {"section_name": "item_8", "section_title": "Financial Statements", "start_position": 5469, "end_position": 5644}, {"section_name": "item_9a", "section_title": "Controls and Procedures", "start_position": 5644, "end_position": 5693}, {"section_name": "item_9b", "section_title": "Other Information", "start_position": 5693, "end_position": 5825}, {"section_name": "item_10", "section_title": "Directors and Executive Officers", "start_position": 5850, "end_position": 5929}, {"section_name": "item_11", "section_title": "Executive Compensation", "start_position": 5929, "end_position": 5977}, {"section_name": "item_12", "section_title": "Security Ownership", "start_position": 5977, "end_position": 6097}, {"section_name": "item_13", "section_title": "Certain Relationships", "start_position": 6097, "end_position": 6257}, {"section_name": "item_15", "section_title": "Exhibits and Financial Statement Schedules", "start_position": 6281, "end_position": 6346}, {"section_name": "item_16", "section_title": "Form 10-K Summary", "start_position": 6346, "end_position": 468303}], "tables": [{"table_index": 0, "table_type": "text", "caption": null, "header_text": "Cayman IslandsN/A"}, {"table_index": 2, "table_type": "text", "caption": null, "header_text": "Title of Each Class:Trading SymbolsName of Each Exchange onWhich Registered:"}, {"table_index": 3, "table_type": "text", "caption": null, "header_text": "Large accelerated filer\u2610Accelerated filer\u2610"}, {"table_index": 4, "table_type": "exhibit_index", "caption": null, "header_text": "PAGE"}, {"table_index": 127, "table_type": "text", "caption": null, "header_text": "Public Shares:34,470,000"}, {"table_index": 129, "table_type": "text", "caption": null, "header_text": "NAMEAGEPOSITION"}, {"table_index": 146, "table_type": "text", "caption": null, "header_text": "Class AClass B"}, {"table_index": 147, "table_type": "text", "caption": null, "header_text": "*Less than 1%"}, {"table_index": 156, "table_type": "exhibit_index", "caption": null, "header_text": "NumberDescription"}, {"table_index": 157, "table_type": "exhibit_index", "caption": null, "header_text": "10.7Administrative Services and Indemnification Agreement, dated October 27, 2025, by and between the Registrant and Apex Treasury Sponsor LLC (incorporated by reference to Exhibit 10.6 to the Registr"}, {"table_index": 160, "table_type": "text", "caption": null, "header_text": "APEX TREASURY CORPORATION"}, {"table_index": 161, "table_type": "text", "caption": null, "header_text": "NameTitleDate"}, {"table_index": 162, "table_type": "financial", "caption": null, "header_text": "Report of Independent Registered Public Accounting Firm (PCAOB ID 100)F-2"}, {"table_index": 163, "table_type": "financial", "caption": null, "header_text": "Assets:"}, {"table_index": 166, "table_type": "financial", "caption": null, "header_text": "Formation, general and administrative costs$271,347"}, {"table_index": 169, "table_type": "financial", "caption": null, "header_text": "Class AOrdinary SharesClass BOrdinary SharesAdditionalPaid-inAccumulatedTotalShareholders\u2019"}, {"table_index": 172, "table_type": "financial", "caption": null, "header_text": "Cash Flows from Operating Activities:"}, {"table_index": 173, "table_type": "text", "caption": null, "header_text": "Gross proceeds$344,700,000"}, {"table_index": 174, "table_type": "financial", "caption": null, "header_text": "For the Period from"}, {"table_index": 175, "table_type": "financial", "caption": null, "header_text": "For the Period from"}, {"table_index": 176, "table_type": "text", "caption": null, "header_text": "December 31,2025"}, {"table_index": 177, "table_type": "text", "caption": null, "header_text": "For theperiod fromJune 26,2025(Inception)throughDecember 31,2025"}, {"table_index": 182, "table_type": "financial", "caption": null, "header_text": "Level 1:Quoted prices in active markets for identical assets or liabilities. An active market for an asset or liability is a market in which transactions for the asset or liability occur with sufficie"}, {"table_index": 183, "table_type": "financial", "caption": null, "header_text": "DescriptionLevelDecember 31,2025"}, {"table_index": 184, "table_type": "text", "caption": null, "header_text": "October 29,2025"}], "exhibits_pending": true, "cdn_html": true, "response_time_ms": 142}