secwatch.observer — SEC 8-K summary ====================================== Issuer: ScanTech AI Systems Inc. (STAI) CIK: 0001994624 Form: 8-K Filed at: 2025-10-28T23:59:59+00:00 Accession: 0001104659-25-103211 Event type: debt Sentiment: negative Materiality: 0.70 Item codes: 1.02, 2.04 LLM model: deepseek-v4-flash:cloud@v2 Silverback asserts default on $1M note; cross-default may affect $1.5M note --------------------------------------------------------------------------- - Silverback claims missed quarterly interest payment on $1M promissory note (15% annual rate) constitutes Event of Default. - Silverback asserts outstanding principal as $1,112,500 as of Oct 23, 2025, including capitalized interest. - Cross-default clause in separate $1.5M note with 340 Broadway/SPCC could trigger 18% default interest and higher conversion discount. - Company disputes the assertions and is reviewing the notice and related agreements. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1994624/000110465925103211/0001104659-25-103211-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1994624/000110465925103211/tm2529589d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-103211 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer