{"url_path":"/sec/wat/10-k/2026/item-9a","section_key":"item-9a","section_title":"Item 9A Controls and Procedures","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-02-23","source_url":"https://www.sec.gov/Archives/edgar/data/1000697/0001193125-26-062604-index.html","accession_number":"0001193125-26-062604","cik":"0001000697","ticker":"WAT","issuer_name":"WATERS CORP /DE/","edgar_url":"https://www.sec.gov/Archives/edgar/data/1000697/0001193125-26-062604-index.html","primary_entity_key":"0001000697","primary_entity_name":"WATERS CORP /DE/"},"word_count":301,"has_tables":true,"body_markdown":"Item 9A:\n\n Controls and Procedures\n\nEvaluation of Disclosure Controls and Procedures\n\nThe Company’s chief executive officer and chief financial officer (principal executive officer and principal financial officer), with the participation of management, evaluated the effectiveness of the Company’s disclosure controls and procedures (as defined in\nRules 13a-15(e)\nand\n15d-15(e)\nunder the Exchange Act) as of the end of the period covered by this annual report on Form\n10-K.\nBased on this evaluation, the Company’s chief executive officer and chief financial officer concluded that the Company’s disclosure controls and procedures were effective as of December 31, 2025 (1) to ensure that information required to be disclosed by the Company, including its consolidated subsidiaries, in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its chief executive officer and chief financial officer, to allow timely decisions regarding the required disclosure and (2) to provide reasonable assurance that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.\n\nManagement’s Annual Report on Internal Control Over Financial Reporting\n\nSee Management’s Report on Internal Control Over Financial Reporting in Item 8 on page \n\n60 of this Annual Report.\n\nReport of the Independent Registered Public Accounting Firm\n\nSee the report of PricewaterhouseCoopers LLP in Item 8 beginning on page \n\n61 of this Annual Report.\n\nChanges in Internal Control Over Financial Reporting\n\nNo change was identified in the Company’s internal control over financial reporting (as defined in\nRules 13a-15(f)\nand\n15d-15(f)\nunder the Exchange Act) during the quarter ended December 31, 2025 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting."}