Company: DK
Filing Date: 2025-05-07
Form Type: S-8
Source: 0001694426-25-000065
Chunk: 1

Company: Delek US Holdings, Inc.
Filing Date: 2025-05-07
Form: S-8
Chunk 1
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 Do not check if a smaller reporting company) |     | Smaller reporting company |     | ☐ |
|                         |     |   |     |                                              |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.

### EXPLANATORY NOTE
The Company previously filed with the Securities and Exchange Commission (the “SEC”) (A) a Registration Statement on Form S-8 on July 10, 2017 (Registration No. 333-219209) (the “Initial Registration Statement”) registering an aggregate of 7,592,221 shares of Common Stock comprised of (i) 3,331,055 shares of Common Stock that may be issued pursuant to outstanding equity awards and future equity awards to eligible participants under the 2016 Plan; (ii) 2,667,378 shares of Common Stock that may be issued pursuant to outstanding equity awards under the Delek US Holdings, Inc. 2006 Long-Term Incentive Plan; and (iii) 1,593,788 shares of Common Stock that may be issued pursuant to outstanding equity awards and future equity awards to eligible participants under the Alon USA Energy, Inc. Second Amended and Restated 2005 Incentive Compensation Plan, (B) a Registration Statement on Form S-8 on May 31, 2018 (Registration No. 333-225332) (the “First Amendment Registration Statement”) adding 4,500,000 shares of Common Stock to the number of shares of Common Stock available for issuance under the 2016 Plan, (C) a Registration Statement on Form S-8 on June 5, 2020 (Registration No. 333-238946) (the “Second Amendment Registration Statement”) adding 2,120,000 shares of Common Stock to the number of shares of Common Stock available for issuance under the 2016 Plan, (D) a Registration Statement on Form S-8 on June 10, 2021 (Registration No. 333-256954) (the “Third Amendment Registration Statement”) adding 3,215,000 shares of Common Stock to the number of shares of Common Stock available for issuance under the 2016 Plan, (E) a Registration Statement on Form S-8 on December