{"schema_version":"secwatch.filing_event.v1","accession":"0001559053-25-000029","form_type":"8-K","ticker":"PRTA","cik":"0001559053","company_name":"PROTHENA CORP PUBLIC LTD CO","filed_at":"2025-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.345091+00:00","generated_at":"2026-05-17T21:26:45.681420+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Prothena Q2 net loss $125.8M; prasinezumab to enter Phase 3 by end 2025","bullets":["Net loss $125.8M vs income $66.9M last year; includes $32.6M restructuring charge and $44.9M non-cash tax allowance.","Revenue $4.4M, down from $132.0M YoY; cash $372.3M with no debt; FY 2025 cash burn guidance $170-178M.","Partner Roche plans Phase 3 start for prasinezumab in early Parkinson's by end 2025; peak sales potential >$3B.","Initial Phase 1 data for PRX012 in Alzheimer's expected August 2025; up to $105M milestones possible in 2026.","Prothena to hold EGM by year-end to vote on share capital reduction for potential share redemption program."],"urls":{"canonical":"https://secwatch.observer/filing/0001559053-25-000029","json":"https://secwatch.observer/filing/0001559053-25-000029.json","markdown":"https://secwatch.observer/filing/0001559053-25-000029.md","text":"https://secwatch.observer/filing/0001559053-25-000029.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1559053/000155905325000029/0001559053-25-000029-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1559053/000155905325000029/prta-20250804.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T21:26:45.681420+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"}