Company: DK
Filing Date: 2025-03-18
Form Type: 8-K/A
Source: 0001694426-25-000044
Chunk: 2

Company: Delek US Holdings, Inc.
Filing Date: 2025-03-18
Form: 8-K/A
Chunk 2
---
 of income of the Company and Gravity for the year ended December 31, 2023 and for the nine months ended September 30, 2024 and the related notes thereto, giving effect to the Gravity Acquisition, are filed as Exhibit 99.3 to this Current Report on Form 8-K/A and are incorporated herein by reference.

(d) Exhibits.

| 23.1 
 99.1 
 99.2 |     | Consent of PricewaterhouseCoopers LLP.                                                                                                                                                                      
 Audited consolidated financial statements of Gravity as of December 31, 2023 and for the year ended December 31, 2023.                                                                                      
 Unaudited consolidated financial statements of Gravity as of September 30, 2024 and for the nine months ended September 30, 2024.                                                                           |
|:-----|:----|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 99.3 |     | Unaudited pro forma condensed combined financial information of the Company and Gravity as of September 30, 2024 and for the year ended December 31, 2023 and for the nine months ended September 30, 2024. |
| 104  |     | Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.                                                                                                   |

### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| Dated: March 18, 2025 |     | DELEK US HOLDINGS, INC.                                      |
|:----------------------|:----|:-------------------------------------------------------------|
|                       |     | /s/ Mark Hobbs                                               |
|                       |     | Name:  Mark Hobbs                                            |
|                       |     | Title:  Executive Vice President and Chief Financial Officer 
 (Principal Financial Officer)                                |