{"schema_version":"secwatch.filing_event.v1","accession":"0001193805-22-000265","form_type":"8-K","ticker":"ARCT","cik":"0001768224","company_name":"Arcturus Therapeutics Holdings Inc.","filed_at":"2022-02-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:08.129413+00:00","generated_at":"2026-06-27T08:50:00.857491+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Arcturus CMO Steve Hughes steps down; Kelly Lindert named Chief Development Officer, Vaccines","bullets":["Dr. Steve Hughes resigns as CMO effective Feb 14, 2022, to become Strategic Clinical Advisor.","Dr. Kelly Lindert, formerly SVP and Head of Vaccines, appointed Chief Development Officer, Vaccines.","Hughes will continue supporting Arcturus programs in an advisory capacity."],"urls":{"canonical":"https://secwatch.observer/filing/0001193805-22-000265","json":"https://secwatch.observer/filing/0001193805-22-000265.json","markdown":"https://secwatch.observer/filing/0001193805-22-000265.md","text":"https://secwatch.observer/filing/0001193805-22-000265.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1768224/000119380522000265/0001193805-22-000265-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1768224/000119380522000265/e621318_8k-arct.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T08:50:00.857491+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":"5f47994cb9","claim":"Steve Hughes departed as Chief Medical Officer at Arcturus Therapeutics Holdings Inc..","evidence_excerpt":"Effective February 14, 2022, Dr. Steve Hughes will step down from his position as Chief Medical Officer of Arcturus Therapeutics Holdings Inc.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1768224/000119380522000265/0001193805-22-000265-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"},{"claim_id":"d2b2ea973c","claim":"Kelly Lindert was appointed as Chief Development Officer, Vaccines at Arcturus Therapeutics Holdings Inc..","evidence_excerpt":"Dr. Kelly Lindert, the Company’s Senior Vice President and Head of Vaccines, will take on the role of Chief Development Officer, Vaccines, for the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1768224/000119380522000265/0001193805-22-000265-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Development Officer, Vaccines"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}