{"url_path":"/sec/ions/8-k/2026-06-24/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-24","source_url":"https://www.sec.gov/Archives/edgar/data/874015/0001140361-26-026232-index.html","accession_number":"0001140361-26-026232","cik":"0000874015","ticker":"IONS","issuer_name":"IONIS PHARMACEUTICALS INC","edgar_url":"https://www.sec.gov/Archives/edgar/data/874015/0001140361-26-026232-index.html","primary_entity_key":"0000874015","primary_entity_name":"IONIS PHARMACEUTICALS INC"},"word_count":87,"has_tables":true,"body_markdown":"Item 9.01          Financial Statements and\nExhibits.\n\n(d) Exhibits.\n\nExhibit No.\n\n \n\nDescription\n\n[99.1](ef20076807_ex99-1.htm)\n\n \n\nPress Release dated June 24, 2026.\n\n \n\n \n\n \n\n104\n\n \n\nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\nSIGNATURE\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\n \n\n \n\n \n\n \n\nDated: June 24, 2026\n\nBy:\n\n/s/ Patrick R. O’Neil\n\n \n\n \n\n \n\nPatrick R. O’Neil\n\n \n\n \n\n \n\nExecutive Vice President, Chief Legal Officer\n\nand General Counsel"}