{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-015901","form_type":"8-K","ticker":"ESPR","cik":"0001434868","company_name":"Esperion Therapeutics, Inc.","filed_at":"2025-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.286232+00:00","generated_at":"2026-05-24T00:38:40.262986+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Esperion appoints Robert E. Hoffman to board; two directors resign effective June 1","bullets":["Nicole Vitullo and Antonio M. Gotto, Jr., M.D., D.Phil. resign from board effective June 1, 2025; no disagreement cited.","Robert E. Hoffman elected independent director effective April 1, 2025; will chair Audit Committee from May 29, 2025.","Hoffman brings CFO and CEO experience from Heron, AnaptysBio, Arena, Kintara, and multiple biotech boards."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-015901","json":"https://secwatch.observer/filing/0001628280-25-015901.json","markdown":"https://secwatch.observer/filing/0001628280-25-015901.md","text":"https://secwatch.observer/filing/0001628280-25-015901.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434868/000162828025015901/0001628280-25-015901-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434868/000162828025015901/espr-20250401.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T00:38:40.262986+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":"4bfbb03a6d","claim":"Antonio M. Gotto, Jr., M.D., D.Phil. resigned as Director at Esperion Therapeutics, Inc..","evidence_excerpt":"On April 1, 2025, Antonio M. Gotto, Jr., M.D., D. Phil. notified the Board of the Company of his decision to resign from the Board, including his position as a member of the Nominating and Corporate Governance Committee of the Board (the “Nominating and Corporate Governance Committee”), effective June 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434868/000162828025015901/0001628280-25-015901-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"deef84d745","claim":"Nicole Vitullo resigned as Director at Esperion Therapeutics, Inc..","evidence_excerpt":"On April 1, 2025, Nicole Vitullo notified the Board of Directors (the “Board”) of Esperion Therapeutics, Inc. (the “Company”) of her decision to resign from the Board, including her positions as a member of the Audit Committee of the Board (the “Audit Committee”) and Compliance Committee of the Board, effective June 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434868/000162828025015901/0001628280-25-015901-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"fb9839ad31","claim":"Robert E. Hoffman was elected as Director and Chairperson of the Audit Committee at Esperion Therapeutics, Inc..","evidence_excerpt":"On April 1, 2025, upon the recommendation of the Nominating and Corporate Governance Committee, the Board elected Robert E. Hoffman to the Board, effective April 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1434868/000162828025015901/0001628280-25-015901-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director and Chairperson of the Audit Committee"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}