{"schema_version":"secwatch.filing_event.v1","accession":"0001297184-25-000040","form_type":"8-K","ticker":"AMPH","cik":"0001297184","company_name":"Amphastar Pharmaceuticals, Inc.","filed_at":"2025-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.607215+00:00","generated_at":"2026-05-18T04:57:47.737099+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Amphastar appoints David Gaugh as Class I director; board size increased to 11","bullets":["Board increased authorized directors from 10 to 11 and appointed David Gaugh effective July 18, 2025.","Gaugh will serve until the 2026 annual meeting; no committee assignments at this time.","Initial compensation: $260,000 aggregate grant date fair value, 50% RSUs and 50% stock options, vesting on first anniversary.","Board determined Gaugh is independent under Nasdaq listing standards; no reportable transactions or arrangements."],"urls":{"canonical":"https://secwatch.observer/filing/0001297184-25-000040","json":"https://secwatch.observer/filing/0001297184-25-000040.json","markdown":"https://secwatch.observer/filing/0001297184-25-000040.md","text":"https://secwatch.observer/filing/0001297184-25-000040.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1297184/000129718425000040/0001297184-25-000040-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1297184/000129718425000040/amph-20250718x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T04:57:47.737099+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}