Delek US Holdings, Inc. 8-K

What Happened

• Delek US Holdings (DK) filed an 8-K (filed Apr 21, 2026) to report a leadership transition in its refining operations. Effective April 20, 2026, Amber Russell was appointed Executive Vice President, Refining. Joseph Israel departed as Executive Vice President, Refining and Renewables and from his executive officer role at Delek Logistics Partners, LP.

Key Details

• Effective date of transition: April 20, 2026; press release issued April 20, 2026 (Exhibit 99.1).
• Amber Russell brings nearly 30 years of energy experience, most recently Senior Vice President for bp Solutions and previously SVP of Refining, Terminals, and Pipelines at bp for 5+ years; earlier roles at ExxonMobil.
• Joseph Israel will receive separation benefits under Section 10(c) of his Executive Employment Agreement (dated March 27, 2023, amended Nov 6, 2024).
• The company agreed to pay the cost of group medical continuation (COBRA) coverage for 18 months; the separation agreement includes customary release and non‑disparagement provisions.

Why It Matters

• This is a material leadership change for Delek’s refining operations: investors should note the immediate change in executive oversight and the company’s move to bring in an experienced industry executive.
• The filing confirms contractual separation payments and an 18‑month COBRA cost commitment by the company, which are near‑term cash/benefit obligations disclosed in the 8-K.
• No financial results or other corporate transactions were reported in this filing; follow-up disclosures or commentary could provide more detail on operational impact or related costs.