{"url_path":"/sec/xlo/10-q/2026/item-4","section_key":"item-4","section_title":"Item 4 Controls and Procedures","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-12","source_url":"https://www.sec.gov/Archives/edgar/data/1840233/0001193125-26-218200-index.html","accession_number":"0001193125-26-218200","cik":"0001840233","ticker":"XLO","issuer_name":"Xilio Therapeutics, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1840233/0001193125-26-218200-index.html","primary_entity_key":"0001840233","primary_entity_name":"Xilio Therapeutics, Inc."},"word_count":275,"has_tables":true,"body_markdown":"# Item 4. Controls and Procedures\n\n# Evaluation of Disclosure Controls and Procedures\n\nWe maintain “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act that are designed to ensure that information required to be disclosed in the reports that we file or submit under the Exchange Act is (1) recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms and (2) accumulated and communicated to our management, including our principal executive officer and principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. Our management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and our management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures.\n\nOur chief executive officer (our principal executive officer) and our chief financial and operating officer (our principal financial officer) evaluated the effectiveness of our disclosure controls and procedures as of March 31, 2026. Based upon such evaluation, our principal\n\n35\n\n[Table of Contents](#toc_page)\n\n \n\nexecutive officer and principal financial officer have concluded that, as of March 31, 2026, our disclosure controls and procedures were effective at a reasonable assurance level.\n\nChanges in Internal Control over Financial Reporting\n\nThere were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the period covered by this Quarterly Report on Form 10-Q that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.\n\n36\n\n[Table of Contents](#toc_page)\n\n \n\n# PART II—OTHER INFORMATION"}