{"cik":"0001816431","ticker":"QSI","name":"Quantum-Si Inc","sic_code":"3829","sic_description":"Measuring & Controlling Devices, NEC","exchange":"Nasdaq","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-05-15","last_filing_date":"2026-07-24","url":"/sec/cik-0001816431","insider_summary":{"total_transactions":23,"unique_insiders":13,"latest_transaction":"2026-09-22"},"recent_filings":[{"accession_number":"0001816431-26-000064","form_type":"8-K","form_type_family":"current","doc_date":"2026-10-08","title":"8-K — Quantum-Si Inc — 2026-10-08","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000064","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000064-index.html"},{"accession_number":"0001816431-26-000061","form_type":"8-K","form_type_family":"current","doc_date":"2026-09-29","title":"8-K — Quantum-Si Inc — 2026-09-29","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000061","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000061-index.html"},{"accession_number":"0001140361-26-037476","form_type":"4","form_type_family":"insider","doc_date":"2026-09-23","title":"4 — Quantum-Si Inc — 2026-09-23","url_slug":"/sec/cik-0001816431/4/0001140361-26-037476","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-037476-index.html"},{"accession_number":"0001856912-26-000003","form_type":"144","form_type_family":"other","doc_date":"2026-09-23","title":"144 — Quantum-Si Inc — 2026-09-23","url_slug":"/sec/cik-0001816431/144/0001856912-26-000003","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001856912-26-000003-index.html"},{"accession_number":"0001816431-26-000053","form_type":"8-K","form_type_family":"current","doc_date":"2026-08-13","title":"8-K — Quantum-Si Inc — 2026-08-13","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000053","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000053-index.html"},{"accession_number":"0001816431-26-000056","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-08-13","title":"10-Q — Quantum-Si Inc — 2026-08-13","url_slug":"/sec/cik-0001816431/10-q/0001816431-26-000056","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000056-index.html"},{"accession_number":"0002012383-26-002864","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-07-29","title":"SCHEDULE 13G/A — Quantum-Si Inc — 2026-07-29","url_slug":"/sec/cik-0001816431/schedule-13g-a/0002012383-26-002864","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0002012383-26-002864-index.html"},{"accession_number":"0001816431-26-000049","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-24","title":"8-K — Quantum-Si Inc — 2026-07-24","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000049","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000049-index.html"},{"accession_number":"0001816431-26-000046","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-24","title":"8-K — Quantum-Si Inc — 2026-06-24","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000046","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000046-index.html"},{"accession_number":"0001140361-26-026294","form_type":"4","form_type_family":"insider","doc_date":"2026-06-24","title":"4 — Quantum-Si Inc — 2026-06-24","url_slug":"/sec/cik-0001816431/4/0001140361-26-026294","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-026294-index.html"},{"accession_number":"0001140361-26-026287","form_type":"4","form_type_family":"insider","doc_date":"2026-06-24","title":"4 — Quantum-Si Inc — 2026-06-24","url_slug":"/sec/cik-0001816431/4/0001140361-26-026287","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-026287-index.html"},{"accession_number":"0002032947-26-000002","form_type":"144","form_type_family":"other","doc_date":"2026-06-24","title":"144 — Quantum-Si Inc — 2026-06-24","url_slug":"/sec/cik-0001816431/144/0002032947-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0002032947-26-000002-index.html"},{"accession_number":"0001856912-26-000002","form_type":"144","form_type_family":"other","doc_date":"2026-06-24","title":"144 — Quantum-Si Inc — 2026-06-24","url_slug":"/sec/cik-0001816431/144/0001856912-26-000002","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001856912-26-000002-index.html"},{"accession_number":"0001140361-26-022244","form_type":"4","form_type_family":"insider","doc_date":"2026-05-20","title":"4 — Quantum-Si Inc — 2026-05-20","url_slug":"/sec/cik-0001816431/4/0001140361-26-022244","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-022244-index.html"},{"accession_number":"0001140361-26-022239","form_type":"4","form_type_family":"insider","doc_date":"2026-05-20","title":"4 — Quantum-Si Inc — 2026-05-20","url_slug":"/sec/cik-0001816431/4/0001140361-26-022239","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-022239-index.html"},{"accession_number":"0001140361-26-022241","form_type":"4","form_type_family":"insider","doc_date":"2026-05-20","title":"4 — Kummeth Charles R. — 2026-05-20","url_slug":"/sec/cik-0001534980/4/0001140361-26-022241","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001140361-26-022241-index.html"},{"accession_number":"0001816431-26-000037","form_type":"8-K","form_type_family":"current","doc_date":"2026-05-15","title":"8-K — Quantum-Si Inc — 2026-05-15","url_slug":"/sec/cik-0001816431/8-k/0001816431-26-000037","edgar_url":"https://www.sec.gov/Archives/edgar/data/1816431/0001816431-26-000037-index.html"}],"related_endpoints":{"profile":"/sec/QSI/profile","timeline":"/sec/QSI/timeline","peers":"/sec/QSI/peers","insider_pulse":"/sec/QSI/insider-pulse","insider_summary":"/sec/QSI/insider-summary","insider_transactions":"/sec/QSI/insider-transactions","form144":"/sec/QSI/form144","holdings_as_filer":"/sec/QSI/holdings","financial_facts":"/sec/QSI/financial-facts","derivatives":"/sec/QSI/derivatives","officers":"/sec/QSI/officers","insider_network":"/sec/QSI/insider-network","risk_flags":"/sec/QSI/risk-flags","filings":"/sec/QSI/filings","cross_topic_dossier":"/api/v1/dossier?ticker=QSI"}}