# EDGAR Filing Document

**Accession Number:** 0001552797
**File Stem:** 0001628280-26-026114
**Filing Date:** 2026-4
**Character Count:** 11056
**Document Hash:** 159a2704130b70bc12e7d7916a5bf328
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-026114.hdr.sgml**: 20260421

**ACCESSION NUMBER**: 0001628280-26-026114

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 16

**CONFORMED PERIOD OF REPORT**: 20260416

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260421

**DATE AS OF CHANGE**: 20260420

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Delek US Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001694426
- **STANDARD INDUSTRIAL CLASSIFICATION:** PETROLEUM REFINING [2911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 352581557
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38142
- **FILM NUMBER:** 26876497

**BUSINESS ADDRESS:**
- **STREET 1:** 310 SEVEN SPRINGS WAY
- **STREET 2:** SUITE 500
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027
- **BUSINESS PHONE:** 615-771-6701

**MAIL ADDRESS:**
- **STREET 1:** 310 SEVEN SPRINGS WAY
- **STREET 2:** SUITE 500
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Delek Holdco, Inc.
- **DATE OF NAME CHANGE:** 20170111
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Delek Logistics Partners, LP
- **CENTRAL INDEX KEY:** 0001552797
- **STANDARD INDUSTRIAL CLASSIFICATION:** PIPE LINES (NO NATURAL GAS) [4610]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 455379027
- **STATE OF INCORPORATION:** TN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35721
- **FILM NUMBER:** 26876498

**BUSINESS ADDRESS:**
- **STREET 1:** 310 SEVEN SPRINGS WAY
- **STREET 2:** SUITE 500
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027
- **BUSINESS PHONE:** 6157716701

**MAIL ADDRESS:**
- **STREET 1:** 310 SEVEN SPRINGS WAY
- **STREET 2:** SUITE 500
- **CITY:** BRENTWOOD
- **STATE:** TN
- **ZIP:** 37027

?xml version='1.0' encoding='ASCII'? dkl-20260416

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM 8-K** 

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

April 16, 2026

*Date of Report (Date of earliest event reported)*

*(Exact name of registrant as specified in its charter)*

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **DELEK US HOLDINGS, INC.** | **DELEK US HOLDINGS, INC.** | **DELEK US HOLDINGS, INC.** | **DELEK LOGISTICS PARTNERS, LP** | **DELEK LOGISTICS PARTNERS, LP** | **DELEK LOGISTICS PARTNERS, LP** |
| **Delaware** | **001-38142** | **35-2581557** | **Delaware** | **001-35721** | **45-5379027** |
| (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) | (State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.) |
| ![delekglobea40.jpg](dkl-20260416_g1.jpg) | ![delekglobea40.jpg](dkl-20260416_g1.jpg) | ![delekglobea40.jpg](dkl-20260416_g1.jpg) | ![globea13.jpg](dkl-20260416_g2.jpg) | ![globea13.jpg](dkl-20260416_g2.jpg) | ![globea13.jpg](dkl-20260416_g2.jpg) |
| **310 Seven Springs Way, Suite 500** | **310 Seven Springs Way, Suite 500** | **310 Seven Springs Way, Suite 500** | **Brentwood** | **Tennessee** | **37027** |
| (Address of Principal Executive) | (Address of Principal Executive) | (Address of Principal Executive) |  |  | (Zip Code) |

---

**(615) 771-6701** 

*(Registrant's telephone number, including area code)*

**Not Applicable** 

*(Former name, former address and former fiscal year, if changed since last report)*

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 |
| Common Units Representing Limited Partner Interests | DKL | 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 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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 13(a) of the Exchange Act.&nbsp;&nbsp;&nbsp;&nbsp;

☐

------

**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On April 16, 2026, the Board of Directors of Delek US Holdings, Inc. (the "Company") approved a leadership transition for the Company's refining operations. Effective April 20, 2026, the Company appointed Amber Russell as Executive Vice President, Refining. Also effective April 20, 2026, Joseph Israel departed from his position as Executive Vice President, Refining and Renewables, and from his position as an executive officer of Delek Logistics Partners, LP.

Ms. Russell brings nearly three decades of energy industry experience to the role, having most recently served as Senior Vice President for bp Solutions. She previously served as Senior Vice President of Refining, Terminals, and Pipelines at bp for more than five years. Earlier in her career, Ms. Russell held leadership positions at ExxonMobil.

In connection with Mr. Israel's departure, the Company entered into a separation agreement with Mr. Israel, pursuant to which Mr. Israel will receive the separation benefits to which he is entitled under Section 10(c) of his Executive Employment Agreement dated March 27, 2023, as amended November 6, 2024, which has been previously disclosed. The Company also agreed to pay the cost of group medical continuation coverage under COBRA for eighteen months following the separation date. The separation agreement contains customary general release of claims and non-disparagement provisions.

**Item 7.01 Regulation FD Disclosure.**

On April 20, 2026, the Company issued a press release regarding the leadership transition, a copy of which is furnished as Exhibit 99.1 hereto.

The information in this Item 7.01 is being furnished, not filed, pursuant to Regulation FD. Accordingly, the information in Item 7.01 of this report will not be incorporated by reference into any registration statement filed by the Company under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by reference. The furnishing of the information in this report is not intended to, and does not, constitute a determination or admission by the Company that the information in this report is material or complete, or that investors should consider this information before making an investment decision with respect to any security of the Company or any of its affiliates.

**Item 9.01 Financial Statements and Exhibits.**

---

| | |
|:---|:---|
| (d) | Exhibits. |
| <u>[99.1](dkl-ex991xleadershipchange.htm)</u> | <u>[Press Release of Delek US Holdings, Inc. issued on April 20, 2026.](dkl-ex991xleadershipchange.htm)</u> |
| 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: April 20, 2026 | DELEK US HOLDINGS, INC. |
|  | <u>/s/ Mark Hobbs</u> |
|  | Name: Mark Hobbs |
|  | Title: Executive Vice President and Chief Financial Officer |
| Dated: April 20, 2026 | DELEK LOGISTICS PARTNERS, LP |
|  | By: Delek Logistics GP, LLC |
|  | its general partner |
|  | <u>/s/ Robert Wright</u> |
|  | Name: Robert Wright |
|  | Title: Executive Vice President and Chief Financial Officer |

---

## Exhibit 99.1

**Exhibit 99.1**

![delekglobea40.jpg](delekglobea40.jpg)

**Delek US Holdings Announces Refining Leadership Transition**

**BRENTWOOD, Tenn., April 20, 2026 -** Delek US Holdings, Inc. (NYSE: DK) today announced the appointment of Amber Russell as Executive Vice President, Refining, effective April 20, 2026. In this role, Ms. Russell will lead the company's refining operations, with a focus on advancing operational excellence, safety performance, and strategic growth across Delek's refining system.

Ms. Russell has nearly three decades of global energy industry experience, including senior leadership roles at ExxonMobil and bp. She has demonstrated extensive leadership across several industry verticals such as refining, terminals, pipelines, and integrated operations. She most recently served as Senior Vice President for bp Solutions, where she led a centralized organization focused on addressing bp's most critical risks and opportunities across oil and gas, refining, terminals, and pipelines. Prior to that, Ms. Russell served as Senior Vice President of Refining, Terminals, and Pipelines for more than five years at bp, where she shaped downstream strategy and led a global refining organization spanning the United States, Europe, and Asia-Pacific.

"I want to extend my appreciation to Joseph Israel for his dedication and contributions to Delek, including his commitment to advancing operational excellence during his tenure, and wish him continued success in his future endeavors." said Avigal Soreq, President and CEO, "We are excited to welcome Amber to Delek. Her deep industry expertise, proven leadership, and unwavering commitment to safe and reliable operations make her an outstanding addition to our executive team. Her appointment is another important step in Delek's journey to strengthen, optimize, and elevate our refining platform."

"I am honored to be joining Delek," said Ms. Russell. "I am passionate about our industry and the people who keep it running 24 hours a day, and I look forward to building our future together."

Ms. Russell will be based at Delek's Brentwood, Tennessee office and will report directly to Avigal Soreq.

<br>