{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-25-006233","form_type":"8-K","ticker":"QUMS","cik":"0002070900","company_name":"Quantumsphere Acquisition Corp","filed_at":"2025-08-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.941246+00:00","generated_at":"2026-05-17T13:41:08.030143+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Quantumsphere Acquisition Corp completes IPO of 8.28M units ($82.8M) with full over-allotment","bullets":["IPO of 8,280,000 units at $10/unit, including full exercise of underwriter over-allotment of 1,080,000 units.","Simultaneous private placement of 228,650 units to Sponsor for $2,286,500.","Net proceeds of $82.8M placed in trust account for public shareholders.","Audited balance sheet shows $902,598 cash outside trust, accumulated deficit of $2,216,166, and total shareholders' deficit of $2,215,853.","Auditor's report includes going concern note due to lack of capital to fund operations and 18-month deadline to complete business combination by February 7, 2027."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-25-006233","json":"https://secwatch.observer/filing/0001829126-25-006233.json","markdown":"https://secwatch.observer/filing/0001829126-25-006233.md","text":"https://secwatch.observer/filing/0001829126-25-006233.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2070900/000182912625006233/0001829126-25-006233-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2070900/000182912625006233/quantumsphereacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T13:41:08.030143+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}