{"url_path":"/sec/ions/8-k/2026-06-08/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-08","source_url":"https://www.sec.gov/Archives/edgar/data/874015/0001140361-26-024407-index.html","accession_number":"0001140361-26-024407","cik":"0000874015","ticker":"IONS","issuer_name":"IONIS PHARMACEUTICALS INC","edgar_url":"https://www.sec.gov/Archives/edgar/data/874015/0001140361-26-024407-index.html","primary_entity_key":"0000874015","primary_entity_name":"IONIS PHARMACEUTICALS INC"},"word_count":88,"has_tables":true,"body_markdown":"Item 9.01.\n\nFinancial Statements and Exhibits.\n\n(d) Exhibits.\n\n \n\nExhibit No.\n\nDescription\n\n[99.1](ef20075669_ex99-1.htm)\n\nPress Release dated June 8, 2026.\n\n104\n\nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\nSIGNATURE\n\n \n\nPursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its\nbehalf by the undersigned, thereunto duly authorized.\n\n \n\nIonis Pharmaceuticals, Inc.\n\nDated:  June 8, 2026\n\nBy:\n\n/s/ Patrick R. O’Neil\n\n \n\nPatrick R. O’Neil\n\n \n\nExecutive Vice President, Legal, General Counsel and Chief Compliance Officer"}