{"schema_version":"secwatch.filing_event.v1","accession":"0001453687-26-000068","form_type":"8-K","ticker":"RNAC","cik":"0001453687","company_name":"Cartesian Therapeutics, Inc.","filed_at":"2026-03-30T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.113106+00:00","generated_at":"2026-05-15T08:21:41.428418+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"confidence":"high","headline":"Cartesian Therapeutics board member Murat Kalayoglu resigns effective March 31, 2026","bullets":["Director Murat Kalayoglu, M.D., Ph.D. resigned from board effective March 31, 2026 to pursue other opportunities.","He served as Chairman of Science and Technology Committee and on Nominating and Corporate Governance Committee.","Resignation not due to any disagreement with the company on operations, policies, or practices.","Kalayoglu had been on board since 2023; no replacement announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001453687-26-000068","json":"https://secwatch.observer/filing/0001453687-26-000068.json","markdown":"https://secwatch.observer/filing/0001453687-26-000068.md","text":"https://secwatch.observer/filing/0001453687-26-000068.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1453687/000145368726000068/0001453687-26-000068-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1453687/000145368726000068/rnac-20260326.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:21:41.428418+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"}