{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-037262","form_type":"8-K","ticker":"ASMB","cik":"0001426800","company_name":"ASSEMBLY BIOSCIENCES, INC.","filed_at":"2021-07-20T23:59:59+00:00","discovered_at":"2026-05-14T18:04:18.068550+00:00","generated_at":"2026-06-30T04:03:52.579213+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Assembly Biosciences appoints Nobel laureate Dr. Michael Houghton to board","bullets":["Dr. Michael Houghton, 2020 Nobel Prize winner for HCV discovery, joins as independent director.","Board expands from eight to nine members; Houghton also joins Science and Technology Committee.","Houghton received an option for 30,000 shares vesting in three equal annual installments.","He brings 40+ years of virology and drug development experience, focusing on HBV curative therapies.","CEO John McHutchison expects his expertise to be invaluable for finite HBV therapy approach."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-037262","json":"https://secwatch.observer/filing/0001564590-21-037262.json","markdown":"https://secwatch.observer/filing/0001564590-21-037262.md","text":"https://secwatch.observer/filing/0001564590-21-037262.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021037262/0001564590-21-037262-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021037262/asmb-8k_20210719.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T04:03:52.579213+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":"91e0af5f64","claim":"Michael Houghton was appointed as Director at ASSEMBLY BIOSCIENCES, INC..","evidence_excerpt":"On July 19, 2021, the Board of Directors (the “Board”) of Assembly Biosciences, Inc. (the “Company”) appointed Michael Houghton, Ph.D. as an independent, non-employee member of the Board effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1426800/000156459021037262/0001564590-21-037262-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"}