{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-033300","form_type":"8-K","ticker":"MRKR","cik":"0001094038","company_name":"Marker Therapeutics, Inc.","filed_at":"2023-03-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.844962+00:00","generated_at":"2026-06-18T00:09:31.929745+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Chief Medical Officer Mythili Koneru resigns effective April 9, 2023","bullets":["Mythili Koneru notified Marker Therapeutics of her resignation as Chief Medical Officer, effective April 9, 2023.","No replacement or interim successor has been announced by the company.","The departure removes a key clinical oversight role from the biotech firm."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-033300","json":"https://secwatch.observer/filing/0001104659-23-033300.json","markdown":"https://secwatch.observer/filing/0001104659-23-033300.md","text":"https://secwatch.observer/filing/0001104659-23-033300.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1094038/000110465923033300/0001104659-23-033300-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1094038/000110465923033300/tm239491d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T00:09:31.929745+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":"6ddc2665ab","claim":"Mythili Koneru resigned as Chief Medical Officer at Marker Therapeutics, Inc..","evidence_excerpt":"On March 13, 2023, Mythili Koneru, Chief Medical Officer of Marker Therapeutics, Inc. (the “ Company ”), notified the Company of her intent to resign as Chief Medical Officer of the Company effective as of April 9, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1094038/000110465923033300/0001104659-23-033300-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}