secwatch.observer — SEC 8-K summary ====================================== Issuer: Quantum-Si Inc (QSI) CIK: 0001816431 Form: 8-K Filed at: 2025-12-29T23:59:59+00:00 Accession: 0001816431-25-000074 Event type: other_material Sentiment: neutral Materiality: 0.20 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud Quantum-Si Incorporated posts updated corporate presentation on December 29, 2025 -------------------------------------------------------------------------------- - Company posted updated corporate presentation on its website on December 29, 2025. - Presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K. - Presentation slides available on 'Investors' section at https://ir.quantum-si.com. - Presentation provides updates and summaries of Quantum-Si's business to investment community. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1816431/000181643125000074/0001816431-25-000074-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1816431/000181643125000074/qsi-20251229.htm HTML page: https://secwatch.observer/filing/0001816431-25-000074 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer