{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-062612","form_type":"8-K","ticker":"CYCN","cik":"0001755237","company_name":"Cyclerion Therapeutics, Inc.","filed_at":"2025-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.732079+00:00","generated_at":"2026-05-24T05:54:59.503948+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Cyclerion raises $1.375M in private placement of 499,998 shares at $2.75/sh","bullets":["Sold 499,998 shares at $2.75 each to insiders Peter Hecht and Michael Higgins.","Gross proceeds $1.375M; net for general corporate purposes.","Private placement closed March 25, 2025; shares unregistered under Securities Act.","Registration rights agreement requires filing registration statement by May 9, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-062612","json":"https://secwatch.observer/filing/0001193125-25-062612.json","markdown":"https://secwatch.observer/filing/0001193125-25-062612.md","text":"https://secwatch.observer/filing/0001193125-25-062612.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1755237/000119312525062612/0001193125-25-062612-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1755237/000119312525062612/d926001d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T05:54:59.503948+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}