{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-004133","form_type":"8-K","ticker":"ANNX","cik":"0001528115","company_name":"Annexon, Inc.","filed_at":"2025-01-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.899833+00:00","generated_at":"2026-05-28T04:54:45.954177+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Annexon appoints commercial executive William 'BJ' Jones to board of directors","bullets":["William 'BJ' Jones appointed to Board as Class I director effective Jan 9, 2025, term through 2027 annual meeting.","Receives $40K annual retainer, initial 88K-share option (3-yr monthly vest), and 44K-share annual option.","Jones brings 30 years commercial launch experience; currently CCO at NewAmsterdam Pharma; previously at Biohaven (acquired by Pfizer for $11.6B).","Company notes his expertise valuable as ANX005 (Guillain-Barré Syndrome) and ANX007 (geographic atrophy) approach commercialization."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-004133","json":"https://secwatch.observer/filing/0001193125-25-004133.json","markdown":"https://secwatch.observer/filing/0001193125-25-004133.md","text":"https://secwatch.observer/filing/0001193125-25-004133.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/0001193125-25-004133-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/d796195d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-28T04:54:45.954177+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":"f75e80fd25","claim":"William Jones was appointed as Director at Annexon, Inc..","evidence_excerpt":"On January 9, 2025, the Board of Directors (the “Board”) of Annexon, Inc. (the “Company”) appointed William Jones, to the Board, effectively immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/0001193125-25-004133-index.htm","confidence":1.0,"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"}