{"filing": {"accession": "0001206774-26-000559", "cik": "0002101135", "ticker": "ILLU", "company_name": "Illumination Acquisition Corp. I", "form_type": "10-Q", "filing_type": "10-Q", "filing_date": "2026-10-14", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/0001206774-26-000559-index.htm", "filing_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/0001206774-26-000559-index.htm", "period_of_report": "2026-08-31"}, "html_url": "/api/filings/000120677426000559/stream", "exhibits": [{"exhibit_number": "31.1", "exhibit_type": "31", "description": "Certification of Principal Executive Officer Pursuant to Securities Exchange Act Rules 13a-14(a), as adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002", "filename": "illuu4698311-ex311.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/illuu4698311-ex311.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "31.2", "exhibit_type": "31", "description": "Certification of Principal Financial Officer Pursuant to Securities Exchange Act Rules 13a-14(a), as adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002", "filename": "illuu4698311-ex312.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/illuu4698311-ex312.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "32.1", "exhibit_type": "32", "description": "Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002", "filename": "illuu4698311-ex321.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/illuu4698311-ex321.htm", "category": "other", "incorporated_by_reference": false}, {"exhibit_number": "32.2", "exhibit_type": "32", "description": "Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002", "filename": "illuu4698311-ex322.htm", "edgar_url": "https://www.sec.gov/Archives/edgar/data/2101135/000120677426000559/illuu4698311-ex322.htm", "category": "other", "incorporated_by_reference": false}], "sections": [{"section_name": "part_1_item_1", "section_title": "Condensed Interim Financial Statements", "start_position": 4144, "end_position": 81989}, {"section_name": "part_1_item_2", "section_title": "Management\u2019s Discussion and Analysis of Financial Condition and Results of Operations", "start_position": 81989, "end_position": 95249}, {"section_name": "part_1_item_3", "section_title": "Quantitative and Qualitative Disclosures About Market Risk", "start_position": 95249, "end_position": 95505}, {"section_name": "part_1_item_4", "section_title": "Controls and Procedures", "start_position": 95505, "end_position": 98051}, {"section_name": "part_2_item_2", "section_title": "Unregistered Sales of Equity Securities and Use of Proceeds", "start_position": 98051, "end_position": 99918}, {"section_name": "part_2_item_5", "section_title": "Other Information", "start_position": 99918, "end_position": 100309}, {"section_name": "part_2_item_6", "section_title": "Exhibits", "start_position": 100309, "end_position": 102243}], "tables": [{"table_index": 0, "table_type": "text", "caption": null, "header_text": "Cayman IslandsN/A"}, {"table_index": 1, "table_type": "text", "caption": null, "header_text": "Title of each classTrading Symbol(s)Name of each exchange on which registered"}, {"table_index": 2, "table_type": "text", "caption": null, "header_text": "Large accelerated filer\u2610Accelerated filer\u2610"}, {"table_index": 3, "table_type": "financial", "caption": null, "header_text": "Page"}, {"table_index": 4, "table_type": "financial", "caption": null, "header_text": ""}, {"table_index": 6, "table_type": "financial", "caption": null, "header_text": ""}, {"table_index": 8, "table_type": "financial", "caption": null, "header_text": "Class AOrdinary SharesClass BOrdinary SharesAdditionalPaid-inAccumulatedTotalShareholders\u2019"}, {"table_index": 10, "table_type": "financial", "caption": null, "header_text": ""}, {"table_index": 11, "table_type": "text", "caption": null, "header_text": "Schedule of Class A ordinary shares subject to possible redemption"}, {"table_index": 12, "table_type": "financial", "caption": null, "header_text": "Schedule\n of basic and diluted net income (loss) per ordinary shares"}, {"table_index": 13, "table_type": "financial", "caption": null, "header_text": "For the Three Months EndedFor the Nine Months Ended"}, {"table_index": 14, "table_type": "text", "caption": null, "header_text": "\u25cfin whole and not in part;"}, {"table_index": 15, "table_type": "text", "caption": null, "header_text": "\u25cfat a price of $0.01per Warrant;"}, {"table_index": 16, "table_type": "text", "caption": null, "header_text": "\u25cfupon a minimum of 30 days\u2019 prior written notice of redemption (the \u201c30-day redemption period\u201d); and"}, {"table_index": 17, "table_type": "text", "caption": null, "header_text": "\u25cfif, and only if, the closing price of the Class A ordinary shares equals or exceeds $18.00per share (as adjusted for adjustments to the number of shares issuable upon exercise or the exercise price o"}, {"table_index": 18, "table_type": "text", "caption": null, "header_text": "Schedule of key metrics reviewed to evaluate company\u2019s performance"}, {"table_index": 19, "table_type": "financial", "caption": null, "header_text": ""}, {"table_index": 20, "table_type": "text", "caption": null, "header_text": "\u25cfLevel 1, defined as observable inputs such as quoted prices (unadjusted) for identical instruments in active markets;"}, {"table_index": 21, "table_type": "text", "caption": null, "header_text": "\u25cfLevel 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable such as quoted prices for similar instruments in active markets or quoted price"}, {"table_index": 22, "table_type": "text", "caption": null, "header_text": "\u25cfLevel 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions, such as valuations derived from valuation techniques in"}, {"table_index": 23, "table_type": "financial", "caption": null, "header_text": "Schedule of assets measured at fair value on a hierarchy of the valuation"}, {"table_index": 24, "table_type": "text", "caption": null, "header_text": "Schedule of quantitative information regarding market assumptions used in the Level 3 valuation of the public warrants"}, {"table_index": 25, "table_type": "exhibit_index", "caption": null, "header_text": "No.Description of Exhibit"}, {"table_index": 26, "table_type": "text", "caption": null, "header_text": "*Filed herewith."}, {"table_index": 27, "table_type": "text", "caption": null, "header_text": "ILLUMINATION ACQUISITION CORP I"}], "exhibits_pending": false, "cdn_html": true, "response_time_ms": 26}