secwatch.observer — SEC 8-K summary ====================================== Issuer: Quantumsphere Acquisition Corp (QUMS) CIK: 0002070900 Form: 8-K Filed at: 2026-03-11T23:59:59+00:00 Accession: 0001829126-26-002191 Event type: other_material Sentiment: neutral Materiality: 0.25 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Quantumsphere amends underwriting agreement to cap deferred commission at 4% of trust post-redemptions -------------------------------------------------------------------------------- - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2070900/000182912626002191/0001829126-26-002191-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2070900/000182912626002191/quantumsphereacq_8k.htm HTML page: https://secwatch.observer/filing/0001829126-26-002191 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer