{"filing":{"accession_number":"0001297184-26-000038","cik":"0001297184","ticker":"AMPH","company_name":"Amphastar Pharmaceuticals, Inc.","form":"8-K","filing_date":"2026-06-03","report_date":null,"primary_document":"amph-20260601x8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1297184/000129718426000038/amph-20260601x8k.htm"},"events":[{"id":7215,"run_id":6329,"accession_number":"0001297184-26-000038","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"This is a classic Item 5.07 disclosure of shareholder vote results from Amphastar's Annual Meeting held on June 3, 2026. The filing reports voting outcomes on four proposals: election of three Class I directors (David Gaugh, William J. Peters, and Jacob Liawatidewi), ratification of Ernst \u0026 Young LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on compensation vote frequency (approved at one-year intervals). All proposals passed with substantial majorities, making this a material governance event that investors rely upon to assess board composition and compensation oversight.","company_name":"Amphastar Pharmaceuticals, Inc.","ticker":"AMPH","filing_date":"2026-06-03","form":"8-K","submitted_at":null,"items":[{"id":4039,"accession_number":"0001297184-26-000038","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a classic Item 5.07 disclosure of shareholder vote results from Amphastar's Annual Meeting held on June 3, 2026. The filing reports voting outcomes on four proposals: election of three Class I directors (David Gaugh, William J. Peters, and Jacob Liawatidewi), ratification of Ernst \u0026 Young LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on compensation vote frequency (approved at one-year intervals). All proposals passed with substantial majorities, making this a material governance event that investors rely upon to assess board composition and compensation oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-04T02:44:06.987111+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":4039,"accession_number":"0001297184-26-000038","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a classic Item 5.07 disclosure of shareholder vote results from Amphastar's Annual Meeting held on June 3, 2026. The filing reports voting outcomes on four proposals: election of three Class I directors (David Gaugh, William J. Peters, and Jacob Liawatidewi), ratification of Ernst \u0026 Young LLP as independent auditor, advisory approval of named executive officer compensation, and advisory vote on compensation vote frequency (approved at one-year intervals). All proposals passed with substantial majorities, making this a material governance event that investors rely upon to assess board composition and compensation oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-04T02:44:06.987111+00:00","company_name":"Amphastar Pharmaceuticals, Inc.","ticker":"AMPH","filing_date":"2026-06-03"}]}