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Leadership changes · DINO · SEC Form 8-K, Item 5.02

Leadership changes at HF Sinclair Corp (2026)

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Who joined and who left HF Sinclair Corp (DINO)? 3 appointments and 1 departure reported from 2026-03-31 to 2026-10-28, each cited to the company's own filing.

Steve Ledbetter was named Chief Operating Officer of HF Sinclair Corp, effective January 1, 2027. As of November 6, 2026, HF Sinclair Corp has reported 6 leadership change filings to the SEC under Item 5.02 of Form 8-K, from March 31, 2026 to October 28, 2026, naming 3 appointments and 1 departure (Form 8-K, October 28, 2026).

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Key facts

  • · In / out: In · Person: Steve Ledbetter · Role: Chief Operating Officer · Effective: 2027-01-01 · 8-K, 2026-10-28
  • · In / out: Reported · Person: not named in the filing · 8-K, 2026-07-28
  • · In / out: In · Person: Steven Ledbetter · Role: Chief Operating Officer · 8-K, 2026-07-08
  • · In / out: Reported · Person: not named in the filing · 8-K, 2026-05-13
  • · In / out: Out · Person: Timothy Go · Role: Director · 8-K, 2026-05-12
Changes6
In (appointed)3
Out (departing)1
Latest filing2026-10-28

HF Sinclair Corp reported changes in 6 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-03-31 to 2026-10-28. They name 4 people, with 3 appointments and 1 departure. Every row below is cited to the filing it comes from, and this page adds each new change as HF Sinclair Corp files it.

Also on the record for HF Sinclair Corp

DateRecordFigureOur pageSource
October 8, 2026Stake report, Schedule 13G/A, by Dimensional Fund Advisors LP4.1% of the class5%+ stakesSource
August 4, 2026Stake report, Schedule 13D/A, by REH Advisors Inc.5.1% of the class5%+ stakesSource
July 31, 2026Stake report, Schedule 13G/A, by Vanguard Portfolio Management4.94% of the class5%+ stakesSource
May 20, 2026Stake report, Schedule 13D/A, by REH Advisors Inc.6.3% of the class5%+ stakesSource
April 29, 2026Stake report, Schedule 13G, by Vanguard Portfolio Management5.07% of the class5%+ stakesSource
April 9, 2026Stake report, Schedule 13G, by Dimensional Fund Advisors LP5.1% of the class5%+ stakesSource
March 27, 2026Stake report, Schedule 13G/A, by The Vanguard Group—5%+ stakesSource
November 20, 2025Stake report, Schedule 13D/A, by REH Advisors Inc.7% of the class5%+ stakesSource
November 5, 2025Stake report, Schedule 13D/A, by REH Advisors Inc.7.2% of the class5%+ stakesSource
September 18, 2025Stake report, Schedule 13D/A, by REH Advisors Inc.7.6% of the class5%+ stakesSource

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Timeline

FiledIn / outPersonRoleEffectiveSource
2026-10-28InChief Operating Officer2027-01-018-K, 2026-10-28
2026-07-28Reportednot named in the filing8-K, 2026-07-28
2026-07-08InChief Operating Officer8-K, 2026-07-08
2026-05-13Reportednot named in the filing8-K, 2026-05-13
2026-05-12OutDirector8-K, 2026-05-12
2026-03-31InChief Executive Officer2026-02-178-K, 2026-03-31

Who leads HF Sinclair Corp, as last reported?

For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.

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Every change, in the filing's words

Filed 2026-10-28 · 8-K

Appointed: Steve Ledbetter, Chief Operating Officer, effective 2027-01-01

On October 26, 2026, the Board of Directors (the "Board") of the Corporation appointed Steve Ledbetter, who currently serves as the Corporation's President and Chief Operating Officer, as Chief Executive Officer and President, effective January 1, 2027.

Also stated in this filing

  • The Board expects to increase the size of the Board and appoint Mr. Ledbetter as a director at a future date.
  • Mr. Myers will thereafter remain with the Corporation and continue to serve as Executive Chairperson until the completion of the Corporation's recently announced plan to pursue a separation of its Lubricants & Specialties segment (the "Planned Separation").
  • As Executive Chairperson, Mr. Myers will be responsible for providing strategic advice and counsel with respect to the Planned Separation.
Filed 2026-07-28 · 8-K

Reported

His successor will be named at a later date.

Also stated in this filing

  • On July 27, 2026, Eric Nitcher, Executive Vice President, General Counsel of HF Sinclair Corporation (the "Corporation"), notified the Board of Directors of the Corporation (the "Board") that he is retiring from his executive officer role, effective July 31, 2026.
  • Mr. Nitcher is expected to remain an employee of the Corporation through the end of 2026 in order to facilitate an orderly transition and assist the Corporation in an advisory capacity.
  • Mr. Nitcher's decision to retire was not the result of any disagreement with the Corporation or its Board.
Filed 2026-07-08 · 8-K

Appointed: Steven Ledbetter, Chief Operating Officer

On July 6, 2026 (the " Effective Date "), the Board of Directors (the " Board ") of HF Sinclair Corporation (the " Corporation ") appointed Steven Ledbetter to the position of President and Chief Operating Officer of the Corporation and Valerie Pompa to the position of President, Growth, Technology and Transformation of the Corporation.

Also stated in this filing

  • Mr. Ledbetter previously served as Executive Vice President, Commercial, and Ms. Pompa previously served as Executive Vice President, Operations.
  • Concurrently with Mr. Ledbetter's appointment, Mr. Franklin Myers ceased to serve as President and will remain and continue to serve as the Corporation's Chief Executive Officer.
  • Steven Ledbetter, 51 has served as Executive Vice President, Commercial of the Corporation since March 2023.
  • Prior to joining the Corporation, Mr. Ledbetter served as Director, President and Chief Executive Officer of Shell Midstream Partners GP LLC, the general partner of Shell Midstream Partners, L.P., from March 2021 to March 2023, where he was responsible for the vision, strategy and execution of the Shell Midstream business.
  • Prior to then, he served as Vice President, Commercial of Shell Midstream from April 2018 to March 2021, where he was responsible for business development, joint ventures, oil movements and portfolio activity.
  • Prior to then, Mr. Ledbetter served as the President and Chief Executive Officer of Jiffy Lube International from October 2013 to February 2018, a wholly owned subsidiary of Shell, where he was responsible for the vision, strategy, growth and profitability of the Jiffy Lube brand and network.
Filed 2026-05-13 · 8-K

Reported

On May 13, 2026, HF Sinclair Corporation (the " Company ") terminated the employment of Mr. Atanas Atanasov as Executive Vice President and Chief Financial Officer of the Company, effective immediately.

Also stated in this filing

  • If Mr. Atanasov meets the conditions of the Company's Severance Pay Plan, he will receive the severance benefits to which he is entitled thereunder.
  • For a description of the Company's Severance Pay Plan, see "Executive Compensation-Potential Payments Upon Termination or Change in Control" in the Company's definitive Proxy Statement filed with the Securities and Exchange Commission (the "SEC") on March 31, 2026.
  • As previously reported on the Company's Annual Report on Form 10-K filed with the SEC on February 27, 2026, Mr. Atanasov has been on leave from his duties since February 24, 2026.
  • As previously reported, effective February 24, 2026, the Board of Directors of the Company appointed Mr. Vivek Garg, the Company's Vice President, Chief Accounting Officer and Controller, to serve as the Company's acting Chief Financial Officer.
Filed 2026-05-12 · 8-K

Departing: Timothy Go, Director

In addition, Mr. Go resigned from the Board and agreed that any position or role he had as an agent, officer or director of the Company, its predecessors, its subsidiaries or its affiliates, will end, in each case, effective as of the Separation Date.

Also stated in this filing

  • As previously reported, effective February 17, 2026, the Board appointed Mr. Franklin Myers, the Chairperson of the Board, to serve as the Company's Chief Executive Officer and President on a temporary basis.
  • On May 11, 2026, the Company and Mr. Go reached a mutually agreeable arrangement and entered into a Separation and Release Agreement (the "Separation Agreement").
  • Under this agreement, Mr. Go's last day of employment with the Company was May 11, 2026 (the "Separation Date").
  • Mr. Go has confirmed that his departure from the Company and resignation from the Board are not due to any disagreement with the Company on any matter relating to the Company's operations, policies or practices.
  • The Separation Agreement provides that Mr. Go will receive the following severance benefits: (a) a separation payment equal to $4,735,000 to be paid in twelve substantially equal monthly installments during the 12-month period beginning on the Separation Date; and (b) if Mr. Go timely elects COBRA, he will be permitted to continue to participate in the Company's group health plan during the 12-month period beginning on the Separation Date at active employee rates.
  • Mr. Go's entitlement to the foregoing severance benefits is subject to Mr. Go's continued compliance with his Continuing Obligations.
Filed 2026-03-31 · 8-K

Appointed: Franklin Myers, Chief Executive Officer, effective 2026-02-17

As previously announced in its Current Report on Form 8-K filed with the Securities and Exchange Commission on February 18, 2026, HF Sinclair Corporation (the " Company ") appointed Mr. Franklin Myers, age 73, as Chief Executive Officer and President of the Company on a temporary basis, effective as of February 17, 2026 (" Acting CEO ").

Also stated in this filing

  • The RSU Grants will be governed by the HF Sinclair Corporation Amended and Restated 2020 Long Term Incentive Plan and the applicable individual restricted stock unit award agreements to be entered into between Mr. Myers and the Company, a form of which the Company has previously filed with the Securities and Exchange Commission.
  • Mr. Myers is also entitled to participate in the Company's employee benefit plans and programs.
  • Mr. Myers will not receive compensation for his continued Board service during the period in which he serves as Acting CEO.
  • The Board will conduct a good-faith review of Mr. Myers' compensation arrangements at least quarterly while he serves as Acting CEO.

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Where this comes from

A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.

Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.

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Cite this page

Permanent URL: https://mentionfox.com/executive-changes/hf-sinclair
Last updated 2026-11-06
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Who joined and who left HF Sinclair Corp? (2026). MentionFox, 2026-11-06. https://mentionfox.com/executive-changes/hf-sinclair