1 unchanged sentence
(c) 10b5-1 Trading Arrangements
−Removed: During the third quarter of 2025 , none of our directors or executive officers adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in item 408(a) of Regulation S-K).
−Removed: The following exhibits are either filed herewith or, if so indicated, incorporated by reference to the documents indicated in parentheses, which have previously been filed or furnished with the Commission.
+Added: During the first quarter of 2026 , none of our directors or executive officers adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in item 408(a) of Regulation S-K).
+Added: The following exhibits are either filed herewith or, if so indicated, incorporated by reference to the documents indicated in parentheses, which have previously been filed or furnished with the Securities and Exchange Commission.
+Added: Amended and Restated Credit Agreement, dated as of January 7, 2026, among Atmus Filtration Technologies Inc., Atmus Filtration Inc., certain subsidiary guarantors party thereto, Bank of American, N.A., as administrative agent and lender, and the other lenders party thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Atmus Filtration Technologies Inc.
+Added: filed with the Commission on January 7, 2026).
+Added: I nsider Trading Policy (filed herewith) .
31.1 Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
9 unchanged sentences
* Filed with this Quarterly Report on Form 10-Q are the following materials formatted in iXBRL (Inline Extensible Business Reporting Language):
−Removed: (i) the Condensed Consolidated Statements of Income for the three and nine months ended September 30, 2025 and 2024, (ii) the Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2025 and 2024, (iii) the Condensed Consolidated Balance Sheets at September 30, 2025 and December 31, 2024, (iv) the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2025 and 2024, (v) the Condensed Consolidated Statements of Changes in Equity for the three and nine months ended September 30, 2025 and 2024, and (vi) Notes to Condensed Consolidated Financial Statements.
+Added: (i) the Condensed Consolidated Statements of Net Income for the three months ended March 31, 2026 and 2025, (ii) the Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2026 and 2025, (iii) the Condensed Consolidated Balance Sheets at March 31, 2026 and December 31, 2025, (iv) the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2026 and 2025, (v) the Condensed Consolidated Statements of Changes in Equity for the three months ended March 31, 2026 and 2025, and (vi) Notes to Condensed Consolidated Financial Statements.
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.
4 unchanged sentences
(Principal Executive Officer) Chief Accounting Officer
−Removed: November 7, 2025 (Principal Financial Officer)
−Removed: November 7, 2025
+Added: May 1, 2026 (Principal Financial Officer)
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.