{"schema_version":"secwatch.filing_event.v1","accession":"0001559053-26-000024","form_type":"8-K","ticker":"PRTA","cik":"0001559053","company_name":"PROTHENA CORP PUBLIC LTD CO","filed_at":"2026-10-02T20:17:50+00:00","discovered_at":"2026-10-02T20:19:00.258439+00:00","generated_at":"2026-10-12T14:37:30.619076+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Prothena Chief Development Officer Chad Swanson resigns Oct 9 to join a strategic partner","bullets":["Chad J. Swanson, Ph.D., Chief Development Officer, notified Prothena on October 2, 2026 that he is resigning effective October 9, 2026.","Swanson is leaving to accept a position with one of the Company's strategic partners, according to the filing.","In the new role he will assume a leadership role over a program partnered with Prothena.","No successor or interim Chief Development Officer was named in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001559053-26-000024","json":"https://secwatch.observer/filing/0001559053-26-000024.json","markdown":"https://secwatch.observer/filing/0001559053-26-000024.md","text":"https://secwatch.observer/filing/0001559053-26-000024.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1559053/000155905326000024/0001559053-26-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1559053/000155905326000024/prta-20261002.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T14:37:30.619076+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"}