{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-029312","form_type":"8-K","ticker":"ZVRA","cik":"0001434647","company_name":"ZEVRA THERAPEUTICS, INC.","filed_at":"2023-10-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.069269+00:00","generated_at":"2026-06-09T05:45:51.353024+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Zevra/Acer merger supplement filed; shareholder lawsuits prompt additional disclosures","bullets":["Three stockholder lawsuits filed (S.D.N.Y. and D. Del.) alleging proxy omissions; demand letters received.","Acer voluntarily supplements proxy statement on Oct. 30 to address litigation risks, without admitting materiality.","Supplement adds details: no standstill provisions in confidentiality agreements, no officer/director employment offers from Zevra.","Updated financial analyses: DCF terminal growth rate of -80%; implied equity values $0.90-$2.71 (Plan 1) and $1.13-$3.63 (Plan 2).","Acer board continues to unanimously recommend stockholder vote 'FOR' the merger at Nov. 8 special meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-029312","json":"https://secwatch.observer/filing/0001437749-23-029312.json","markdown":"https://secwatch.observer/filing/0001437749-23-029312.md","text":"https://secwatch.observer/filing/0001437749-23-029312.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1434647/000143774923029312/0001437749-23-029312-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1434647/000143774923029312/zvra20231027_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T05:45:51.353024+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"}