Company: HUM
Filing Date: 2025-03-04
Form Type: 424B5
Source: 0001628280-25-009923
Chunk: 7

Company: HUMANA INC
Filing Date: 2025-03-04
Form: 424B5
Chunk 7
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 described in “Description of the Notes—Offer to Repurchase Upon Change of Control Triggering Event” in this prospectus supplement.               |
| Covenants            |     | The indenture and the respective supplemental indentures governing each series of notes will contain covenants that, subject to exceptions and qualifications:                                                                                                                                                                                                                                                                             
 •limit our ability and the ability of our subsidiaries to create liens, and                                                                                                                                                                                                                                                                                                                                                                
 •limit our ability to consolidate, merge or transfer all or substantially all of our assets.                                                                                                                                                                                                                                                                                                                                               
 See “Description of the Notes—Covenants” in this prospectus supplement.                                                                                                                                                                                                                                                                                                                                                                    |
| Use of Proceeds      |     | We estimate that our net proceeds from this offering, less underwriters’ discounts and our estimated costs of the offering, will be approximately                                                                                                                                                                                                                                                                                          
 $1.231 billion. We intend to use the net proceeds from this offering to repay our 4.500% Senior Notes due 2025 (the “2025 Notes”) at maturity in April 2025. We intend to use the remainder of the net proceeds from this offering for general corporate purposes, which may include the repayment of existing indebtedness, including borrowings under our commercial paper program. See “Use of Proceeds” in this prospectus supplement. |
| Additional Issuances |     | We may “re-open” any series of notes offered hereby and issue an unlimited aggregate principal amount of additional notes of each such series in the future. See “Description of the Notes—Additional Issuances” in this prospectus supplement.                                                                                                                                                                                            |
| Risk Factors         |     | See “Risk Factors” beginning on pageS-4of this prospectus supplement and the other information included or incorporated by reference in this prospectus supplement and the accompanying prospectus for a discussion of certain factors you should carefully consider before deciding to invest in the notes.                                                                                                                               |

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Table of Contents

### RISK FACTORS
Before making a decision to invest in the notes, you should carefully consider the following:

• the risk factors described below and those contained in the documents incorporated by reference in this prospectus supplement and the accompanying prospectus; and

• the other information included in this prospectus supplement, the accompanying prospectus and the documents incorporated by reference in this prospectus supplement and the accompanying prospectus.

#### Risks Associated with the Notes
Our Ability to Obtain Funds from Our Subsidiaries Is Limited and the Notes Will Be Structurally