Company: HUM
Filing Date: 2025-03-03
Form Type: 424B5
Source: 0001628280-25-009237
Chunk: 4

Company: HUMANA INC
Filing Date: 2025-03-03
Form: 424B5
Chunk 4
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 the documents listed below and any future filings we will make with the SEC under Section 13(a), 13(c), 14 or 15(d) of the Exchange Act, prior to the termination of the offering to which this prospectus supplement relates (other than, in each case, documents or information deemed to have been furnished and not filed in accordance with SEC rules, including Current Reports on Form 8-K furnished under Item 2.02 and Item 7.01 (including any financial statements or exhibits relating thereto furnished pursuant to Item 9.01)):

• our Annual Report on Form 10-K for the fiscal year ended December 31, 2024, filed with the SEC on February 20, 2025; and

• the information specifically incorporated by reference into the Annual Report on Form 10-K for the fiscal year ended December 31, 2023 from our Definitive Proxy Statement on Schedule 14A filed with the SEC on March 8, 2024.

You may request a copy of these filings at no cost, by writing or telephoning us at the following address:

<div align='center'>500 West Main Street

Louisville, Kentucky 40202

(502) 580-1000

Attn: Investor Relations</div>

You may also obtain a copy of these filings from our Internet website at www.humana.com. Please note, however, that the information on our Internet website, other than the documents listed above, is not intended to be incorporated by reference into this prospectus supplement or the accompanying prospectus and should not be considered a part of this prospectus supplement or the accompanying prospectus.

<div align='center'>S-ii</div>

### SUMMARY
This summary highlights information contained elsewhere in this prospectus supplement, the accompanying prospectus and the documents incorporated by reference. This summary does not contain all of the information that you may wish to consider before investing in the notes. You should read this entire prospectus supplement, the accompanying prospectus and the documents incorporated by reference carefully, especially the risks of investing in the notes discussed under “Risk Factors.”

#### Humana Inc.
Headquartered in Louisville, Kentucky, we are committed to putting health first — for our teammates, our customers, and our company. Through our Humana insurance services, and our CenterWell health care services, we make it easier for the millions of people we serve to achieve their best health — delivering the care and service they need, when they need it. These efforts