Company: DK
Filing Date: 2025-03-18
Form Type: 8-K/A
Source: 0001694426-25-000044
Chunk: 0

Company: Delek US Holdings, Inc.
Filing Date: 2025-03-18
Form: 8-K/A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

#### FORM 8-K/A

### CURRENT REPORT
<div align='center'>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

January 2, 2025

Date of Report (Date of earliest event reported)</div>

#### DELEK US HOLDINGS, INC.
<div align='center'>(Exact name of registrant as specified in its charter)</div>

| Delaware                                       |     | 001-38142               |     |           |     |                       35-2581557 |
| (State or other jurisdiction of incorporation) |     | -Commission File Number |     |           |     | -IRS Employer Identification No. |
| 310 Seven Springs Way,Suite 500                |     | Brentwood               |     | Tennessee |     |                            37027 |
| (Address of Principal Executive)               |     |                         |     |           |     |                        -Zip Code |

<div align='center'>( 615) 771-6701

(Registrant’s telephone number, including area code)</div>

#### Not Applicable
<div align='center'>(Former name, former address and former fiscal year, if changed since last report)</div>

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class           |     | Trading Symbol(s) |     | Name of each exchange on which registered |
| Common Stock, $0.01 par value |     | DK                |     | New York Stock Exchange                   |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of