Company Update

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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): August 12, 2025 SPX TECHNOLOGIES, INC. (Exact name of registrant as specified in its charter) Delaware 001-06948 88-3567996 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.)       6325 Ardrey Kell Road , Suite 400 , Charlotte , North Carolina (Address of Principal Executive Officer) 28277 (Zip Code) Registrant’s Telephone Number, Including Area Code: 980 474-3700 N/A (Former name or former address, if changed since last report) 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: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.01 SPXC New York Stock Exchange 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). Emerging growth company ☐ 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. ☐ Item 8.01. Other Events. On August 12, 2025, SPX Technologies, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with BofA Securities, Inc., J.P. Morgan Securities LLC, and Wells Fargo Securities, LLC, as representatives of the several underwriters named therein (collectively, the “Underwriters”) in connection with the offering, issuance and sale by the Company of 2,659,575 shares of the Company’s common stock, $0.01 par value per share (the “Common Stock”), at an offering price of $188.00 per share (the “Offering”). The Offering closed on August 14, 2025. In addition, the Company has granted the Underwriters a 30-day option to purchase up to an additional 398,936 shares of its Common Stock. The Offering was made pursuant to an effective shelf registration statement on Form S-3 (Registration No. 333-   289489) and a related prospectus supplement and accompanying prospectus filed with the Securities and Exchange Commission (the “SEC”). The gross proceeds to the Company from the Offering, before deducting underwriting discounts and commissions and estimated offering expenses payable by the Company, were approximately $500.0 million. The Underwriting Agreement contains customary representations, warranties, covenants and agreements by the Company, customary conditions to closing, indemnification obligations of the Company and the Underwriters, including for liabilities under the Securities Act of 1933, as amended, other obligations of the parties and termination provisions. The representations, warranties and covenants contained in the Underwriting Agreement were made only for purposes of such agreement and as of specific dates, were solely for the benefit of the parties to such agreement, and may be subject to limitations agreed upon by the contracting parties. The foregoing description of the Underwriting Agreement is not complete and is qualified in its entirety by reference to the full text of the Underwriting Agreement, a copy of which is filed as Exhibit 1.1 to this Current Report on Form 8-K and is incorporated by reference herein. Latham & Watkins LLP, counsel to the Company, has issued an opinion regarding the validity of the shares of Common Stock offered and sold in the Offering.  A copy of the opinion is filed as Exhibit 5.1 to this Current Report on Form 8-K. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. Exhibit No.   Description 1.1   Underwriting Agreement, dated August 12, 2025, by and among the Company and BofA Securities, Inc., J.P. Morgan Securities LLC, and Wells Fargo Securities, LLC , as representatives of the several underwriters named therein. 5.1   Opinion of Latham & Watkins LLP. 23.1   Consent of Latham & Watkins LLP (included in Exhibit 5.1). 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.   SPX TECHNOLOGIES, INC.     Date: August 14, 2025 By: /S/ MARK A. CARANO     Mark A. Carano     Vice President, Chief Financial Officer and Treasurer