Company: SREA
Filing Date: 2025-02-26
Form Type: S-8
Source: 0001193125-25-036757
Chunk: 1

Company: SEMPRA
Filing Date: 2025-02-26
Form: S-8
Chunk 1
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 an additional 8,500,000 shares of the Common Stock for issuance under the San Diego Gas & Electric Company Savings Plan, an additional 10,000,000 shares of the Common Stock for issuance under the and Southern California Gas Company Retirement Savings Plan (collectively, the “Savings Plans,” and all such additional shares, collectively, the “Additional Savings Plan Shares”). The Additional Savings Plan Shares are being registered in addition to the shares of Common Stock previously registered for issuance under the Savings Plans pursuant to Sempra’s effective registration statement on Form S-8filed with the U.S. Securities and Exchange Commission (the “Commission”) on December 10, 2014 ( Registration No. 333-200828) (such prior registration statement on Form S-8,the “Prior Registration Statement”). This registration statement relates to securities of the same class as those registered under the Prior Registration Statement and is being filed in accordance with General Instruction E to Form S-8regarding the registration of additional securities. Pursuant to such instruction, the contents of the Prior Registration Statement are hereby incorporated by reference in and made part of this registration statement, except to the extent supplemented, superseded or modified by the specific information set forth below and/or the specific exhibits attached hereto. PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

| Item 3. | Incorporation of Documents by Reference. |

The following documents filed by Sempra or the Savings Plans with the Commission are incorporated by reference in this registration statement:

| • |     | The description of Sempra’s Common Stock contained in its Registration Statement on                                              
 Form 8-A (Registration No. 001-14201), filed with the Commission on June                                                         
 5, 1998, as updated by Exhibit 4.2 to Sempra’s Annual Report on Form 10-K for the fiscal                                         
 year ended December 31, 2024 and any amendment or report filed with the Commission for the purpose of updating such description. |

All documents subsequently filed by Sempra pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended, prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference in this registration statement and to be a part hereof from the date of filing of such documents. Sempra does not, however, incorporate by