WAT: Financial results

Item 2.02 Results of Operations and Financial Condition On November 3, 2026, Waters Corporation announced its results of operations for the quarter ended October 3, 2026. A copy of the related press release is furnished as Exhibit 99.1 to this Form 8-K. The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 9.01 Financial Statements and Exhibits Exhibits 99.1 Waters Corporation press release dated November 3, 2026, for the quarter ended October 3, 2026. 104 Cover page Interactive Data File (embedded within the Inline XBRL document). Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. WATERS CORPORATION Dated: November 3, 2026 By: /s/ Amol Chaubal Name: Amol Chaubal Title: Senior Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)