{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-030168","form_type":"8-K","ticker":"CYCN","cik":"0001755237","company_name":"Cyclerion Therapeutics, Inc.","filed_at":"2023-06-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.397642+00:00","generated_at":"2026-06-13T16:25:42.288381+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"COO Cheryl Gault resigns; effective at close of asset sale to JW Celtics","bullets":["Cheryl Gault resigned as COO effective on closing of the proposed sale of certain assets to JW Celtics Investment Corp.","Separation agreement provides six months of base salary and COBRA subsidies; stock option exercise period extended to 24 months.","Chairman Errol De Souza thanked Gault for her service to operations and the sale transaction."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-030168","json":"https://secwatch.observer/filing/0000950170-23-030168.json","markdown":"https://secwatch.observer/filing/0000950170-23-030168.md","text":"https://secwatch.observer/filing/0000950170-23-030168.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1755237/000095017023030168/0000950170-23-030168-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1755237/000095017023030168/cycn-20230626.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T16:25:42.288381+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":[{"claim_id":"2270d90efe","claim":"Cheryl Gault resigned as Chief Operating Officer at Cyclerion Therapeutics, Inc..","evidence_excerpt":"On June 26, 2023, Cheryl Gault announced her resignation as the Chief Operating Officer of Cyclerion Therapeutics, Inc.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1755237/000095017023030168/0000950170-23-030168-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}