{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-23-004458","form_type":"8-K","ticker":"ABUS","cik":"0001447028","company_name":"Arbutus Biopharma Corp","filed_at":"2023-07-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.964885+00:00","generated_at":"2026-06-13T09:23:07.026303+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Arbutus appoints Melissa V. Rewolinski, PhD to its board of directors","bullets":["Melissa V. Rewolinski appointed to board effective July 12, 2023; board expands to seven members.","She joins Compensation Committee; receives $40,000 annual retainer plus $7,500 for committee service.","Granted option for 110,000 common shares vesting over 3 years; exercise price based on July 12 closing price.","Dr. Rewolinski brings 20+ years pharma experience; previously at Intercept, Amira, Pfizer; currently MVR Consulting."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-23-004458","json":"https://secwatch.observer/filing/0001171843-23-004458.json","markdown":"https://secwatch.observer/filing/0001171843-23-004458.md","text":"https://secwatch.observer/filing/0001171843-23-004458.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1447028/000117184323004458/0001171843-23-004458-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1447028/000117184323004458/f8k_071223.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T09:23:07.026303+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":"b912fb244d","claim":"Melissa V. Rewolinski was appointed as Director at Arbutus Biopharma Corp.","evidence_excerpt":"appointed Melissa V. Rewolinski, PhD to the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1447028/000117184323004458/0001171843-23-004458-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}