Company: CI
Filing Date: 2025-09-02
Form Type: S-3ASR
Source: 0001140361-25-033568
Chunk: 2

Company: Cigna Group
Filing Date: 2025-09-02
Form: S-3ASR
Chunk 2
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 directly to purchasers, on a continuous or delayed basis. If underwriters, dealers or agents are used to sell the securities, we will name them and describe their compensation in a prospectus supplement or free writing prospectus.

Investing in these securities involves certain risks. You should carefully consider the risk factors included in our periodic reports filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, and incorporated by reference herein before you invest in any of our securities. We may also include specific risk factors in an applicable prospectus supplement under the heading “Risk Factors.”

Neither the Securities and Exchange Commission nor any state securities regulator 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 September 2, 2025.
TABLE OF CONTENTS

TABLE OF CONTENTS

|                                                                       |     | Page |
| About This Prospectus                                                 |     |    i |
| Cautionary Note Regarding Forward-Looking Statements and Risk Factors |     |   ii |
| Trademarks and Service Marks                                          |     |  iii |
| Where You Can Find More Information                                   |     |  iii |
| Incorporation of Certain Information by Reference                     |     |   iv |
| The Cigna Group                                                       |     |    1 |
| Use of Proceeds                                                       |     |    2 |
| Description of Debt Securities                                        |     |    3 |
| Form of Debt Securities                                               |     |   10 |
| Description of Capital Stock                                          |     |   12 |
| Description of Warrants                                               |     |   14 |
| Description of Purchase Contracts                                     |     |   14 |
| Description of Units                                                  |     |   15 |
| Selling Security Holders                                              |     |   15 |
| Plan of Distribution                                                  |     |   16 |
| Validity of Securities                                                |     |   19 |
| Experts                                                               |     |   19 |
| ERISA Matters                                                         |     |   19 |

#### TABLE OF CONTENTS

### ABOUT THIS PROSPECTUS
**This prospectus is part of an automatic “shelf” registration statement on Form S-3 that we filed with the Securities and Exchange Commission, which we refer to as the “SEC,” as a “well-known seasoned issuer” as defined in Rule 405 under the Securities Act of 1933, as amended (the “