{"url_path":"/sec/prta/8-k/2026-05-15/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1559053/0001193125-26-226968-index.html","accession_number":"0001193125-26-226968","cik":"0001559053","ticker":"PRTA","issuer_name":"PROTHENA CORP PUBLIC LTD CO","edgar_url":"https://www.sec.gov/Archives/edgar/data/1559053/0001193125-26-226968-index.html","primary_entity_key":"0001559053","primary_entity_name":"PROTHENA CORP PUBLIC LTD CO"},"word_count":332,"has_tables":true,"body_markdown":"8-K\n\nPROTHENA CORP PUBLIC LTD CO false 0001559053 0001559053 2026-05-14 2026-05-14\n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWASHINGTON, D.C. 20549\n\n \n\n \n\nFORM 8-K\n\n \n\n \n\nCURRENT REPORT\n\nPursuant to Section 13 or 15(d)\n\nof the Securities Exchange Act of 1934\n\nDate of Report (Date of earliest event reported): May 14, 2026\n\n \n\n \n\nPROTHENA CORPORATION PUBLIC LIMITED COMPANY\n\n(Exact name of registrant as specified in its charter)\n\n \n\n \n\n \n\nIreland\n \n001-35676\n \n98-1111119\n\n(State or Other Jurisdiction\n\nof Incorporation)\n\n \n\n(Commission\n\nFile Number)\n\n \n\n(IRS Employer\n\nIdentification No.)\n\n \n\n77 Sir John Rogerson’s Quay, Block C\n\nGrand Canal Docklands\n\nDublin 2, D02 VK60, Ireland\n\n(Address of principal executive offices, including Zip Code)\n\n \n\n011 353 1 236 2500\n\nRegistrant’s telephone number, including area code: 011-353-1-236-2500\n\n \n\n(Former Name or Former Address, if Changed Since Last Report.)\n\n \n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):\n\n \n\n☐\n\nWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n☐\n\nSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n☐\n\nPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n☐\n\nPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of Each Class\n\n \n\nTrading\nSymbol\n\n \n\nName of Each Exchange\non Which Registered\n\nOrdinary Shares, par value $0.01 per share\n \nPRTA\n \nThe Nasdaq Global Select Market\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\nEmerging growth company ☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐"}