MODINE MANUFACTURING CO 10-Q

Item 5. Other Information. During the three months ended December 31, 2025, no director or “officer” of the Company adopted or terminated a “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. ​ ​ ​ ​ 42 Table of Contents Item 6. Exhibits. (a) Exhibits : ​ ​ ​ ​ ​ ​ ​ ​ Exhibit No. ​ ​ ​ Description ​ ​ ​ Incorporated Herein By Reference To ​ ​ ​ Filed Herewith ​ ​ ​ ​ ​ ​ ​ ​ 2.1 ​ Separation Agreement, dated as of January 29, 2026, by and among Modine Manufacturing Company, Gentherm Incorporated and Platinum SpinCo Inc. ​ Exhibit 2.1 to Registrant’s Current Report on Form 8-K dated January 29, 2026 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2.2 ​ Agreement and Plan of Merger, dated as of January 29, 2026, by and among Modine Manufacturing Company, Gentherm Incorporated and Platinum Gold Merger Sub, Inc. ​ Exhibit 2.2 to Registrant’s Current Report on Form 8-K dated January 29, 2026 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 4.1 ​ ​ Amendment No. 1 to Credit Agreement among the Company, the initial subsidiary borrower, the institutions party thereto as lenders, and JPMorgan Chase Bank, N.A. as administrative agent, dated as of December 23, 2025. ​ ​ Exhibit 4.1 to Registrant’s Current Report on Form 8-K dated December 23, 2025 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 31.1 ​ Rule 13a-14(a)/15d-14(a) Certification of Neil D. Brinker, President and Chief Executive Officer. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 31.2 ​ Rule 13a-14(a)/15d-14(a) Certification of Michael B. Lucareli, Executive Vice President, Chief Financial Officer. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 32.1 ​ Section 1350 Certification of Neil D. Brinker, President and Chief Executive Officer. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 32.2 ​ Section 1350 Certification of Michael B. Lucareli, Executive Vice President, Chief Financial Officer. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.INS ​ Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document). ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.SCH ​ Inline XBRL Taxonomy Extension Schema. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.CAL ​ Inline XBRL Taxonomy Extension Calculation Linkbase Document. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.DEF ​ Inline XBRL Taxonomy Extension Definition Linkbase Document. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.LAB ​ Inline XBRL Taxonomy Extension Label Linkbase Document. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 101.PRE ​ Inline XBRL Taxonomy Extension Presentation Linkbase Document. ​ ​ ​ X ​ ​ ​ ​ ​ ​ ​ ​ ​ 104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101). ​ ​ ​ X ​ ​ ​ 43 Table of Contents 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. ​ ​ ​ ​ MODINE MANUFACTURING COMPANY ​ (Registrant) ​ ​ ​ By: /s/ Michael B. Lucareli ​ Michael B. Lucareli, Executive Vice President, Chief Financial Officer* ​ Date: February 5, 2026 * Executing as both the principal financial officer and a duly authorized officer of the Company ​ 44