{"url_path":"/sec/caba/8-k/2026-06-11/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":"2026-06-11","source_url":"https://www.sec.gov/Archives/edgar/data/1759138/0001759138-26-000033-index.html","accession_number":"0001759138-26-000033","cik":"0001759138","ticker":"CABA","issuer_name":"Cabaletta Bio, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1759138/0001759138-26-000033-index.html","primary_entity_key":"0001759138","primary_entity_name":"Cabaletta Bio, Inc."},"word_count":85,"has_tables":true,"body_markdown":"## Item 9.01 Financial Statements and Exhibits.\n\n(d) Exhibits\n\n \n\n \n\n \n\n3.1\n\n \n\n[Certificate of Amendment to the Third Amended and Restated Certificate of Incorporation](caba-ex3_1.htm)\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 behalf by the undersigned thereunto duly authorized.\n\n \n\nCABALETTA BIO, INC.\n\n \n\n \n\n \n\n \n\nDate: June 9, 2026\n\nBy:\n\n/s/ Steven Nichtberger\n\nSteven Nichtberger, M.D.\n\nPresident and Chief Executive Officer"}