DINOHF Sinclair Corporation

1. Aug 26, 2026On August 26, 2026, the Board of Directors of HF Sinclair Corporation (the “Corporation”) authorized a new $1.5 billion share repurchase program (the “New Share Repurchase Program”), effective August 26, 2026.Other event · Form 8-K
2. Aug 5, 2026HF Sinclair Corporation (the “Company”) entered into a Stock Purchase Agreement, dated August 2, 2026 (the “Stock Purchase Agreement”), with REH Advisors Inc. (the “Selling Stockholder” or “REH”) (now the parent company of REH Company, LLC (formerly known as The Sinclair Companies)), pursuant to which the Company …Material agreement entered · Form 8-K
3. Jul 28, 2026HF Sinclair Reports 2026 Second Quarter Results and Announces Increase in Regular Cash Dividend.Earnings release · press release
4. Jul 28, 2026On 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.Director or officer change · Form 8-K
5. Jul 8, 2026On 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 …Director or officer change · Form 8-K
6. May 19, 2026HF Sinclair Corporation (the “Company”) entered into a Stock Purchase Agreement, dated May 18, 2026 (the “Stock Purchase Agreement”), with REH Advisors Inc. (the “Selling Stockholder” or “REH”) (now the parent company of REH Company, LLC (formerly known as The Sinclair Companies)), pursuant to which the Company agreed …Material agreement entered · Form 8-K
7. May 13, 2026On 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.Director or officer change · Form 8-K
8. May 12, 2026As previously reported on a Current Report on Form 8-K filed by HF Sinclair Corporation (the “Company”) with the Securities and Exchange Commission (the “SEC”) on February 18, 2026, Mr. Timothy Go, the Company’s Chief Executive Officer and President, and a member of the Board of Directors of the Company (the “Board”) …Director or officer change · Form 8-K
9. Mar 6, 2026As previously announced in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 27, 2026 (the “Form 10-K”), HF Sinclair Corporation (the “Company”) appointed Mr. Vivek Garg, age 52, to the position of acting Chief Financial Officer (“Acting CFO”) on February 24, 2026.Director or officer change · Form 8-K

Quoted from SEC EDGAR filings. A current report is filed within four business days of the event it describes.