ENTG: Financial results

Item 2.02. Results of Operations and Financial Condition. On October 29, 2026 , Entegris, Inc. (the "Company") issued a press release to announce results for the third quarter of 2026 and will hold a conference call to discuss such results. A copy of this press release and the supplemental slides to which management will refer during the conference call are attached hereto as Exhibit 99.1 and Exhibit 99.2, respectively, and are incorporated herein by reference. In accordance with General Instructions B.2 of Form 8-K, the information in this Item 2.02 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing. The information set forth herein will not be deemed an admission as to the materiality of any information required to be disclosed solely to satisfy the requirements of Regulation FD. Item 9.01. Financial Statements and Exhibits. (d) Exhibits EXHIBIT INDEX Exhibit No. Description 99.1 Press Release, dated October 29, 2026 99.2 Third Quarter Earnings Release Presentation Slides, dated October 29, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURE 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 thereunto duly authorized. ENTEGRIS, INC. Dated: October 29, 2026 By: /s/ Sukhi Nagesh Name: Sukhi Nagesh Title: Senior Vice President and Chief Financial Officer