{"schema_version":"secwatch.filing_event.v1","accession":"0001559053-25-000049","form_type":"8-K","ticker":"PRTA","cik":"0001559053","company_name":"PROTHENA CORP PUBLIC LTD CO","filed_at":"2025-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.734212+00:00","generated_at":"2026-05-16T13:21:15.252116+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Prothena board member Paula Cobb resigns effective Dec 31, 2025","bullets":["Paula Cobb notified Prothena of her resignation from the Board, effective December 31, 2025.","She will continue serving on the Board, Compensation Committee, and Audit Committee through that date.","Resignation is not due to any disagreement with the Company on operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001559053-25-000049","json":"https://secwatch.observer/filing/0001559053-25-000049.json","markdown":"https://secwatch.observer/filing/0001559053-25-000049.md","text":"https://secwatch.observer/filing/0001559053-25-000049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1559053/000155905325000049/0001559053-25-000049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1559053/000155905325000049/prta-20251210.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:21:15.252116+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"}