{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-009623","form_type":"8-K","ticker":"QUMS","cik":"0002070900","company_name":"Quantumsphere Acquisition Corp","filed_at":"2026-09-02T00:41:02+00:00","discovered_at":"2026-09-02T10:05:00.404834+00:00","generated_at":"2026-09-02T10:05:07.166041+00:00","sec_items":["1.02","9.01"],"event_type":"m_and_a","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Quantumsphere terminates merger agreement with SACH Pte. Ltd.","bullets":["Termination notice delivered Sept 1, 2026 under Section 13.2(a) of Merger Agreement dated Oct 3, 2025.","Prior notice to SACH on July 14, 2026; 30-day cure period expired without resolution.","Merger transactions will not be consummated; Purchaser Parties reserve all rights and remedies.","Company intends to continue evaluating opportunities to complete an initial business combination."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-009623","json":"https://secwatch.observer/filing/0001829126-26-009623.json","markdown":"https://secwatch.observer/filing/0001829126-26-009623.md","text":"https://secwatch.observer/filing/0001829126-26-009623.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626009623/0001829126-26-009623-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626009623/quantumsphereacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-02T10:05:07.166041+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"}