{"schema_version":"secwatch.filing_event.v1","accession":"0001559053-24-000019","form_type":"8-K","ticker":"PRTA","cik":"0001559053","company_name":"PROTHENA CORP PUBLIC LTD CO","filed_at":"2024-05-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.948719+00:00","generated_at":"2026-06-01T08:02:55.771087+00:00","sec_items":["1.01","8.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Prothena licenses PRX019 to BMS for $80M upfront; milestones up to $617.5M","bullets":["Upfront payment of $80 million from BMS; eligible for additional development and regulatory milestones up to $242.5M.","Sales milestones up to $375M upon achieving certain annual net sales thresholds.","Tiered royalties on worldwide net sales ranging from high single-digit to high teen percentages.","Prothena obligated to run Phase 1 for PRX019; BMS may elect to take over the trial.","Research term under Master Collaboration Agreement expired on May 24, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001559053-24-000019","json":"https://secwatch.observer/filing/0001559053-24-000019.json","markdown":"https://secwatch.observer/filing/0001559053-24-000019.md","text":"https://secwatch.observer/filing/0001559053-24-000019.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1559053/000155905324000019/0001559053-24-000019-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1559053/000155905324000019/prta-20240524.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T08:02:55.771087+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"}