0000067347 false 0000067347 2025-07-01 2025-07-01

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 1, 2025

Modine Manufacturing Company

(Exact name of registrant as specified in its charter)

Wisconsin | 001-01373 | 39-0482000
(State or other jurisdiction of incorporation) | (Commission File Number) | (I.R.S. Employer Identification Number)

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1500 DeKoven Avenue, Racine, Wisconsin |  | 53403
(Address of principal executive offices) |  | (Zip Code)

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Registrant’s telephone number, including area code: |  | (262) 636-1200
(Former name or former address, if changed since last report.) |  | N/A

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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Title of each class |  | Trading Symbol(s) |  | Name of each exchange on which registered
Common Stock, $0.625 par value | ​ | MOD | ​ | New York Stock Exchange

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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Emerging growth company ☐

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 7.01 Regulation FD Disclosure.

Following the recent acquisition of Climate by Design International, management of Modine Manufacturing Company (the “Company”) will be using the slides furnished herewith as Exhibit 99.1 in presentations with investors, with such slides also being made available on the Company’s website.

Additionally, following this most recent and other acquisitions by the Company, the Company’s management has further adjusted its product group structure within both its Performance Technologies and Climate Solutions segments. There is no impact on the financial reporting of either segment, but the Company will be using the slides furnished herewith as Exhibit 99.2 in presentations with investors, with such slides also being made available on the Company’s website, to discuss the new product group structures.

The information in this Item 7.01, including Exhibits 99.1 and 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liabilities of that section, and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Exhibits

| (d) | Exhibits

The following exhibits are being furnished herewith:

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99.1 |  | Investor Materials: Acquisition of Climate by Design International dated July 1, 2025
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99.2 | ​ | Investor Materials: Product Group Changes dated July 1, 2025
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104 | ​ | Cover Page Interactive Data File (formatted as Inline XBRL)

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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.

| Modine Manufacturing Company
|  | By: | /s/ Erin J. Roth
|  | Erin J. Roth
|  | Vice President, General Counsel and Chief Compliance Officer
Date: July 1, 2025 |

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