{"url_path":"/sec/cycn/8-k/2026-09-11/item-5-05","section_key":"item-5-05","section_title":"Item 5.05 Amendments to the Registrant’s Code of Ethics, or Waiver of a Provision of the Code of Ethics.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-09-11","source_url":"https://www.sec.gov/Archives/edgar/data/1755237/0001193125-26-389318-index.html","accession_number":"0001193125-26-389318","cik":"0001755237","ticker":"CYCN","issuer_name":"Korsana Biosciences, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1755237/0001193125-26-389318-index.html","primary_entity_key":"0001755237","primary_entity_name":"Korsana Biosciences, Inc."},"word_count":309,"has_tables":true,"body_markdown":"Item 5.05 Amendments to the Registrant’s Code of Ethics, or Waiver of a Provision of the Code of Ethics.\n\nOn September 8, 2026, in connection with the Closing, the Board adopted a new Code of Business Conduct and Ethics of the Company (the “Code of Conduct”), effective as of such date. The Code of Conduct supersedes the existing Code of Business Conduct and Ethics, as previously adopted by Cyclerion’s board of directors (the “Existing Code of Conduct”). The Code of Conduct applies to all directors, officers and employees of the Company and is intended to enhance understanding of the Company’s standards of ethical business practices and promote awareness of ethical issues that may be encountered in carrying out a director’s, officer’s or employee’s responsibilities. Among other things, the Code of Conduct:\n\n \n\n \n•\n \n\nestablishes the Company’s policies and standards with respect to (i) conflicts of interest, gifts and corporate opportunities, (ii) fair dealing, confidential information, privacy and use of Company assets and systems, (iii) legal and regulatory compliance, insider trading and anti-corruption standards, including pursuant to the Foreign Corrupt Practices Act, (iv) the Company’s disclosure obligations and recordkeeping procedures, (v) anti-discrimination, equal employment opportunity and health and safety and (vi) international trade compliance;\n\n \n\n \n•\n \n\nestablishes the Company’s whistleblower hotline and procedures for reporting potential violations; and\n\n \n\n \n•\n \n\nestablishes the Company’s policies and procedures with respect to an amendment or waiver of the Code of Conduct.\n\nThe adoption of the Code of Conduct did not result in any explicit or implicit waiver of any provision of the Existing Code of Conduct. The foregoing description of the Code of Conduct does not purport to be complete and is subject to and qualified in its entirety by reference to the full text of the Code of Conduct, a copy of which is attached hereto as Exhibit 14.1 and is incorporated herein by reference."}