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DK · Current Report (Form 8-K) · Filed April 21, 2026

Delek US Holdings Inc — Current Report (Form 8-K)

Form
8-K
Filed
April 21, 2026
Period
Apr 16, 2026
Ticker
DK
Accession
0001628280-26-026114
Boardroom Alpha · Filing insights

Delek US appoints Amber Russell as EVP Refining; Joseph Israel departs; separation benefits include 18-month COBRA coverage.

About Delek US Holdings Inc
Market cap
$2.8B
1Y TSR
+128.7%
3Y TSR
+29.8%
Board grade
C+
Sector
Energy
CEO
Avigal Soreq
Last annual meeting: Apr 20, 2026 · View full Delek US Holdings Inc profile →
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 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
globea13.jpg
310 Seven Springs Way, Suite 500
Brentwood Tennessee
37027
(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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par valueDKNew York Stock Exchange
Common Units Representing Limited Partner InterestsDKLNew 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.    



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.
104Cover 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.
/s/ Mark Hobbs
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
/s/ Robert Wright
Name: Robert Wright
Title: Executive Vice President and Chief Financial Officer


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Reference

Frequently asked questions

When did Delek US Holdings Inc file this 8-K?
Delek US Holdings Inc (DK) filed this Current Report (Form 8-K) with the SEC on April 21, 2026. The accession number assigned by EDGAR is 0001628280-26-026114.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Delek US appoints Amber Russell as EVP Refining; Joseph Israel departs; separation benefits include 18-month COBRA coverage. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Delek US Holdings Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Delek US Holdings Inc has filed under CIK 1694426, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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