{"url_path":"/sec/sion/8-k/2026-05-12/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":"2026-05-12","source_url":"https://www.sec.gov/Archives/edgar/data/2036042/0001628280-26-033870-index.html","accession_number":"0001628280-26-033870","cik":"0002036042","ticker":"SION","issuer_name":"Sionna Therapeutics, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/2036042/0001628280-26-033870-index.html","primary_entity_key":"0002036042","primary_entity_name":"Sionna Therapeutics, Inc."},"word_count":78,"has_tables":true,"body_markdown":"Item 9.01    Financial Statements and Exhibits.\n\n(d) Exhibits\n\n99.1\n[Press Release of Sionna Therapeutics, Inc. dated May 12, 2026.](sion1q26earningsrelease_fi.htm)\n\n104Cover 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 behalf by the undersigned hereunto duly authorized.\n\nSionna Therapeutics, Inc.\n\nDate: May 12, 2026\nBy:/s/ Jennifer Fitzpatrick\n\nName:Jennifer Fitzpatrick\n\nTitle:Chief Legal Officer"}