{"filings":[{"id":112482,"accession_number":"0001829126-26-002191","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2026-03-11T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Quantumsphere amends underwriting agreement to cap deferred commission at 4% of trust post-redemptions","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Deferred commission set at 4.00% of gross proceeds (up to $2,880,000 from Firm Units, up to $432,000 from Option Units).","Commission payable from trust upon business combination, capped at 4.00% of trust balance after redemptions.","Underwriters may waive commission prior to business combination; if no deal, forfeit rights to trust distribution."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":112481,"accession_number":"0001829126-26-000503","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2026-01-23T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Quantumsphere SPAC target SACH raises $2.1M via share subscriptions from two investors","summary_kind":"llm","event_type":"other_material","confidence":"high","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."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":129048,"accession_number":"0001829126-25-008044","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K/A","filed_at":"2025-10-10T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Quantumsphere raises $82.8M in IPO; going concern doubt, restatement","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["IPO of 8,280,000 units at $10/unit grossed $82.8M; sponsor bought 228,650 private units for $2.29M.","Trust account holds $82.8M; must complete business combination by Feb 7, 2027 or liquidate.","Auditor flags substantial doubt about going concern; working capital only $1.1M insufficient for operations.","Financial statements restated to correct omission of finder fee agreement with Aspira Capital Consulting."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":129049,"accession_number":"0001829126-25-007899","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2025-10-06T23:59:59+00:00","items":["1.01","7.01","9.01"],"status":"ready","headline":"Quantumsphere SPAC to merge with SACH Pte. Ltd. at $300M equity value","summary_kind":"llm","event_type":"m_and_a","confidence":"high","bullets":["SACH is a Singapore-based gaming/tech/e-commerce/live events company known for OMMiii social gamification platform.","Deal implies a pre-money equity value of $300M for SACH; SACH shareholders receive 30M Pubco shares at $10/share.","Up to ~$82.8M cash from Quantumsphere trust (assuming no redemptions) to fund SACH operations.","Current SACH shareholders retain 100% of equity and will hold substantial majority of combined company pro forma.","Closing expected by June 30, 2026; subject to shareholder approvals, Nasdaq listing, and customary conditions."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145770,"accession_number":"0001829126-25-007682","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2025-09-29T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Quantumsphere units may separate into shares and rights starting Sept 30, 2025","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Holders of 8,280,000 IPO units can elect to separate into ordinary shares and rights.","Separated ordinary shares to trade as QUMS; rights as QUMSR on Nasdaq.","Units not separated continue trading as QUMSU on Nasdaq Global Market.","Brokers must contact Continental Stock Transfer & Trust to effect separation.","The separation is effective on or about September 30, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145769,"accession_number":"0001829126-25-006233","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2025-08-14T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Quantumsphere Acquisition Corp completes IPO of 8.28M units ($82.8M) with full over-allotment","summary_kind":"llm","event_type":"other_material","confidence":"high","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."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145768,"accession_number":"0001829126-25-005919","cik":2070900,"company_name":"Quantumsphere Acquisition Corp","ticker":"QUMS","form_type":"8-K","filed_at":"2025-08-07T23:59:59+00:00","items":["1.01","3.02","5.02","5.03","8.01","9.01"],"status":"ready","headline":"Quantumsphere closes $82.8M IPO including full over-allotment; units begin trading","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Closed IPO of 8,280,000 units at $10.00/unit, including full exercise of over-allotment, for gross proceeds of $82.8M.","Net proceeds of $82.8M placed in trust account for benefit of public shareholders.","Simultaneous private placement of 228,650 units to sponsor Whiteowl Holdings for $2.2865M.","Appointed Wei (Victor) Zhang, Daniel M. McCabe, and Qi Gong to board and audit/compensation committees.","Units trade on Nasdaq under QUMSU; ordinary shares and rights expected to trade separately as QUMS and QUMSR."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":116233765.74889651,"market_cap_bucket":"microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}