Company: CI
Filing Date: 2025-09-02
Form Type: 424B5
Source: 0001140361-25-033574
Chunk: 5

Company: Cigna Group
Filing Date: 2025-09-02
Form: 424B5
Chunk 5
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 incorporated by reference into Part III of the Annual Report)                              |
| Current Report on Form 8-K                       |     | Filed with the SEC onMarch 13, 2025(excluding Item 7.01, which is furnished thereto),March 19, 2025,April 18, 2025,April 28, 2025,June 2, 2025andJuly 28, 2025 |

We also incorporate by reference into this prospectus supplement and the accompanying prospectus all documents filed by us under Section 13(a), 13(c), 14 or 15(d) of the Exchange Act on or after the date of such document until the offering of the particular securities covered by this prospectus supplement has been terminated or completed, other than any portion of the respective filings that are furnished, rather than filed, under the applicable SEC rules. This additional information is a part of this prospectus supplement and the accompanying prospectus from the date of filing of those documents. To obtain a copy of these filings at no cost, you may write or telephone us at the following address: The Cigna Group Two Liberty Place, 1601 Chestnut Street Philadelphia, Pennsylvania 19192-1550 Attention: Shareholder Services Telephone: (215) 761-3516 E-mail: shareholderservices@evernorth.com Exhibits to the filings will not be sent, however, unless those exhibits have specifically been incorporated by reference into such document.

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#### TABLE OF CONTENTS

### SUMMARY
This summary highlights selected information about The Cigna Group and this offering. It does not contain all of the information that may be important to you in deciding whether to purchase the Notes. We encourage you to read the entire prospectus supplement, the accompanying prospectus and the documents that we have filed with the SEC that are incorporated by reference herein prior to deciding whether to purchase the Notes.

#### The Cigna Group
The Cigna Group, together with its subsidiaries, is a global health company committed to creating a better future for every individual and every community. We relentlessly challenge ourselves to partner and innovate solutions for better health. Powered by our people and our brands, we advance our mission to improve the health and vitality of those we serve.

Our subsidiaries offer a differentiated set of pharmacy, medical, behavioral, dental, and related products and services. The majority of these products and services are offered through employers and other entities, such as governmental and nongovernmental organizations, unions