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 May 15, 2026 Date of Report (Date of earliest event reported)   Commission File No.    Exact Name of Registrants as Specified in their Charters, Address and Telephone Number    State of Incorporation    I.R.S. Employer Identification Nos.    Former name, former address and former fiscal year, if changed since last report 1-14201    SEMPRA       California    33-0732627    No change    488 8th Avenue             San Diego , California 92101             ( 619 ) 696-2000          1-01402    SOUTHERN CALIFORNIA GAS COMPANY       California    95-1240705    No change    555 West 5th Street             Los Angeles , California 90013             ( 213 ) 244-1200              Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants 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   Name of Each Exchange on Which Registered SEMPRA:     Sempra Common Stock, without par value   SRE   New York Stock Exchange Sempra 5.75% Junior Subordinated Notes Due 2079, $25 par value   SREA   New York Stock Exchange SOUTHERN CALIFORNIA GAS COMPANY: None Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).        Emerging growth company SEMPRA    ☐ SOUTHERN CALIFORNIA GAS 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.   SEMPRA    ☐ SOUTHERN CALIFORNIA GAS COMPANY    ☐       Item 8.01 Other Events. On May 15, 2026, Southern California Gas Company (the “Company”), an indirect subsidiary of Sempra, closed its previously announced public offering and sale of $650,000,000 aggregate principal amount of its 5.900% First Mortgage Bonds, Series FFF, due 2056 (the “Bonds”) with proceeds to the Company (after deducting the underwriting discount but before deducting the Company’s other offering expenses estimated at approximately $1.4 million) of 98.661% of the aggregate principal amount of the Bonds. The sale of the Bonds was registered under the Company’s Registration Statement on Form S-3 (File No. 333-295219). The Bonds were issued pursuant to a Supplemental Indenture, dated as of May 15, 2026 (the “Supplemental Indenture”), which is filed herewith as Exhibit 4.1. The Bonds will mature on June 1, 2056. The Bonds will bear interest at the rate of 5.900% per annum. Interest on the Bonds will accrue from May 15, 2026 and is payable semiannually in arrears on June 1 and December 1 of each year, beginning on December 1, 2026. The Bonds will be redeemable prior to maturity, at the Company’s option, at the redemption prices described in the form of Bond, which form is included in Exhibit 4.1 hereto. The foregoing description of some of the terms of the Bonds is not complete and is qualified in its entirety by the form of Bond and the Supplemental Indenture, which are filed as exhibits herewith and are incorporated herein by reference. Further information regarding the sale of the Bonds is contained in the Underwriting Agreement, dated May 11, 2026, which was filed as Exhibit 1.1 to the Company’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission on May 12, 2026. Item 9.01 Financial Statements and Exhibits. (d) Exhibits.   Exhibit Number    Exhibit Description 4.1    Supplemental Indenture of Southern California Gas Company to U.S. Bank National Association, dated as of May 15, 2026. 4.2    Form of Series FFF Bond (included in Exhibit 4.1 hereto). 5.1    Opinion of Latham & Watkins LLP. 23.1    Consent of Latham & Watkins LLP (contained in the opinion filed as Exhibit 5.1 hereto). 104    Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).   SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.       SEMPRA,     (Registrant) Date: May 15, 2026       By:   /s/ Dyan Z. Wold       Dyan Z. Wold Vice President, Controller and Chief Accounting Officer       SOUTHERN CALIFORNIA GAS COMPANY,     (Registrant) Date: May 15, 2026       By:   /s/ Sara P. Mijares       Sara P. Mijares Vice President, Controller and Chief Accounting Officer