{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-075821","form_type":"8-K","ticker":"AMLX","cik":"0001658551","company_name":"Amylyx Pharmaceuticals, Inc.","filed_at":"2023-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.037652+00:00","generated_at":"2026-06-17T22:18:32.635745+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Amylyx appoints Karen Firestone to board of directors, effective March 16, 2023","bullets":["Karen Firestone appointed as Class I director effective March 16, 2023.","Will serve on Audit Committee and Nominating and Corporate Governance Committee.","Eligible for annual cash retainer of $45,000 plus committee retainer fees.","Granted initial option for 27,403 shares; one-third vests in 1 year, balance over 2 years.","Director compensation policy amended January 20, 2023, filed as exhibit."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-075821","json":"https://secwatch.observer/filing/0001193125-23-075821.json","markdown":"https://secwatch.observer/filing/0001193125-23-075821.md","text":"https://secwatch.observer/filing/0001193125-23-075821.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1658551/000119312523075821/0001193125-23-075821-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1658551/000119312523075821/d452110d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T22:18:32.635745+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":"3ab6099ce1","claim":"Karen Firestone was appointed as Director at Amylyx Pharmaceuticals, Inc..","evidence_excerpt":"appointed Karen Firestone to fill the vacancy on the Board as a Class I director, effective as of March 16, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1658551/000119312523075821/0001193125-23-075821-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"}