Company: SREA
Filing Date: 2025-08-26
Form Type: 424B5
Source: 0001193125-25-188201
Chunk: 66

Company: SEMPRA
Filing Date: 2025-08-26
Form: 424B5
Chunk 66
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 stock” in this prospectus, is not listed on any securities exchange or trading facility or included in any automated dealer quotation system.
Sempra’s 5.75% Junior Subordinated Notes Due 2079, which we refer to as the “junior subordinated notes” in this prospectus, are listed on the New York Stock Exchange under the trading symbol “SREA.” On May 19,
2023, the last reported sale price of the junior subordinated notes on the New York Stock Exchange was $24.47 per note.

Investing in our securities involves risks. See the “ Risk Factors” section on page 7 of this prospectus, and any similar section contained in the applicable prospectus supplement.

Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus is May 26, 2023.

TABLE OF CONTENTS

|                                            |     | Page |    |
| About This Prospectus                      |     |      |  1 |
| Forward-Looking Statements and Market Data |     |      |  2 |
| Where You Can Find More Information        |     |      |  4 |
| Sempra                                     |     |      |  6 |
| Risk Factors                               |     |      |  7 |
| Use of Proceeds                            |     |      |  8 |
| Description of Capital Stock               |     |      |  9 |
| Description of Debt Securities             |     |      | 12 |
| Description of Other Securities            |     |      | 26 |
| Global Securities                          |     |      | 27 |
| Plan of Distribution                       |     |      | 31 |
| Legal Matters                              |     |      | 32 |
| Experts                                    |     |      | 32 |

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ABOUT THIS PROSPECTUS

This prospectus is part of an “automatic shelf” registration statement that we filed with the U.S. Securities and Exchange
Commission, or the “SEC,” as a “well-known seasoned issuer” as defined in Rule 405 under the Securities Act of 1933, as amended. By using a shelf registration statement, we may sell the securities described in this prospectus
from time to time and in one or more offerings. This prospectus only provides you with a general description of the securities that we may