{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-040208","form_type":"8-K","ticker":"ASMB","cik":"0001426800","company_name":"ASSEMBLY BIOSCIENCES, INC.","filed_at":"2021-08-03T23:59:59+00:00","discovered_at":"2026-05-14T18:04:18.068750+00:00","generated_at":"2026-06-29T23:15:22.053001+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Assembly Biosciences promotes Okazaki to COO and Samar to CFO effective August 1","bullets":["Jason Okazaki promoted to COO, retains Chief Legal and Business Officer roles; base salary $540,000, target bonus 55%.","Michael Samar, previously acting principal financial officer, named CFO with base salary $400,000 and target bonus 40%.","Both promotions effective August 1, 2021; employment agreements include change-in-control severance provisions.","Okazaki and Samar were already serving as executive officers; no new director appointments or departures."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-040208","json":"https://secwatch.observer/filing/0001564590-21-040208.json","markdown":"https://secwatch.observer/filing/0001564590-21-040208.md","text":"https://secwatch.observer/filing/0001564590-21-040208.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021040208/0001564590-21-040208-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021040208/asmb-8k_20210730.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T23:15:22.053001+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":"11c798bb72","claim":"Michael P. Samar changed role as Chief Financial Officer at ASSEMBLY BIOSCIENCES, INC..","evidence_excerpt":"Michael P. Samar, 49, has been promoted to the position of Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021040208/0001564590-21-040208-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"e6931bb0a7","claim":"Jason A. Okazaki changed role as Chief Operating Officer at ASSEMBLY BIOSCIENCES, INC..","evidence_excerpt":"Jason A. Okazaki, 45, has been promoted to the position of Chief Operating Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021040208/0001564590-21-040208-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"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"}