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): November 12, 2025 —————————————— A. O. Smith Corporation (Exact name of registrant as specified in its charter) —————————————— Delaware   1-475   39-0619790 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.) 11270 West Park Place , Milwaukee , Wisconsin 53224 (Address of principal executive offices, including zip code) ( 414 ) 359-4000 (Registrant’s telephone number) —————————————— 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 (see General Instruction A.2. below): ☐ Written communication 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 13-e4(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 $1.00 per share) AOS 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 November 12, 2025, A. O. Smith Corporation ("the Company") issued a news release announcing it had signed a definitive agreement to acquire LVC Holdco LLC (“Leonard Valve”) at a purchase price of $470 million, subject to satisfaction of customary closing conditions and receipt of regulatory approvals. Leonard Valve, together with its Heat-Timer brand, is a leading designer and manufacturer of thermostatic and digital mixing valves and temperature control solutions used in commercial and institutional applications. A copy of the Company's news release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein. In addition, the Company posted slides describing the transaction to the Investors section of its website. The slides are attached to this Form 8-K as Exhibit 99.2. Item 9.01     Financial Statements and Exhibits The following exhibit is being filed herewith: (99.1)     News Release of A. O. Smith Corporation, dated Nove mber 12 , 20 25 (99.2)     Supplemental Slides, dated November 12, 2025 104    Cover Page Interactive Data File (embedded with 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. A. O. SMITH CORPORATION Date: November 12, 2025 By: /s/James F. Stern James F. Stern Executive Vice President, Corporate Development, Strategy and Secretary