secwatch.observer — SEC 8-K summary ====================================== Issuer: Quantumsphere Acquisition Corp (QUMS) CIK: 0002070900 Form: 8-K Filed at: 2026-09-02T00:41:02+00:00 Accession: 0001829126-26-009623 Event type: m_and_a Sentiment: negative Materiality: 0.70 Item codes: 1.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Quantumsphere terminates merger agreement with SACH Pte. Ltd. ------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2070900/000182912626009623/0001829126-26-009623-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2070900/000182912626009623/quantumsphereacq_8k.htm HTML page: https://secwatch.observer/filing/0001829126-26-009623 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer