secwatch.observer — SEC 8-K summary ====================================== Issuer: PROTHENA CORP PUBLIC LTD CO (PRTA) CIK: 0001559053 Form: 8-K Filed at: 2022-05-05T23:59:59+00:00 Accession: 0001559053-22-000021 Event type: earnings Sentiment: neutral Materiality: 0.55 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Prothena Q1 net loss $36.3M; PRX012 gets Fast Track, Phase 1 started -------------------------------------------------------------------- - Net loss of $36.3M ($0.78 per share) vs $36.7M loss ($0.91) in Q1 2021; revenue $1.2M. - Cash and restricted cash $544.3M at quarter end; no debt; net cash used in ops/investing $37.4M. - PRX012 initiated Phase 1 SAD study, received FDA Fast Track for Alzheimer's disease. - R&D expense $27.3M (up 29% YoY) driven by birtamimab, PRX012, PRX005 programs. - FY 2022 guidance: net cash outflow $120-132M, net loss $154-170M, year-end cash ~$454M. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1559053/000155905322000021/0001559053-22-000021-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1559053/000155905322000021/prta-20220505.htm HTML page: https://secwatch.observer/filing/0001559053-22-000021 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer