{"schema_version":"secwatch.filing_event.v1","accession":"0001829126-26-000503","form_type":"8-K","ticker":"QUMS","cik":"0002070900","company_name":"Quantumsphere Acquisition Corp","filed_at":"2026-01-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.162362+00:00","generated_at":"2026-05-16T08:36:00.040725+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Quantumsphere SPAC target SACH raises $2.1M via share subscriptions from two investors","bullets":["SACH Pte. Ltd. issued 2,055 shares to Cypress Innovations for $2M at $973.16/share.","SACH issued 103 shares to individual investor Tan Cheng Siong for $100k at same price.","Payments were received by SACH in Oct 2025 (Cypress) and Dec 2025/Jan 2026 (Tan).","Subscriptions support SACH's financing activities ahead of planned business combination with Quantumsphere.","No securities of Quantumsphere Acquisition Corporation were issued in these transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-000503","json":"https://secwatch.observer/filing/0001829126-26-000503.json","markdown":"https://secwatch.observer/filing/0001829126-26-000503.md","text":"https://secwatch.observer/filing/0001829126-26-000503.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626000503/0001829126-26-000503-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626000503/quantumsphereacq_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T08:36:00.040725+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":[{"claim_id":"5a7f26beb98ebdfa5ff9b01e862c7193b3cc46e3","claim":"Quantumsphere Acquisition Corp entered into subscription agreement with an individual investor valued at $100,000 (effective 2026-01-13).","evidence_excerpt":"On January 13, 2026, SACH Pte. Ltd. also entered into a separate subscription agreement with an individual investor, pursuant to which such investor agreed to purchase 103 ordinary shares of SACH Pte. Ltd. at a purchase price of $973.16 per share, for aggregate gross proceeds of $100,000.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626000503/0001829126-26-000503-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"an individual investor"},{"label":"Value","value":"$100,000"},{"label":"Effective","value":"2026-01-13"}],"fact_type":"material_agreement"},{"claim_id":"d2a69502c92632b0f841e237b3f2092afc942bd5","claim":"Quantumsphere Acquisition Corp entered into subscription agreement with Cypress Innovations Limited valued at $2,000,000 (effective 2026-01-13).","evidence_excerpt":"On January 13, 2026, SACH Pte. Ltd., the Company’s target in its previously announced business combination, entered into a subscription agreement with Cypress Innovations Limited, pursuant to which Cypress Innovations Limited agreed to purchase 2,055 ordinary shares of SACH Pte. Ltd. at a purchase price of $973.16 per share, for aggregate gross proceeds of $2,000,000.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/2070900/000182912626000503/0001829126-26-000503-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"Cypress Innovations Limited"},{"label":"Value","value":"$2,000,000"},{"label":"Effective","value":"2026-01-13"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}