secwatch.observer — SEC 8-K summary ====================================== Issuer: HF Sinclair Corp (DINO) CIK: 0001915657 Form: 8-K Filed at: 2026-08-04T22:10:53+00:00 Accession: 0001628280-26-052797 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 HF Sinclair to repurchase 2.375M shares from REH Advisors for ~$212M at $89.41/share -------------------------------------------------------------------------------- - Repurchasing 2,375,000 shares from REH Advisors at $89.41/share, aggregate ~$212M, funded with cash on hand. - This is the 22nd privately negotiated repurchase from REH; closing expected August 5, 2026. - Board increased share repurchase program by $15M; remaining authorization ~$11M after this transaction. - Audit Committee approved as an Interested Transaction; shares will be held as treasury. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1915657/000162828026052797/0001628280-26-052797-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1915657/000162828026052797/dino-20260804.htm HTML page: https://secwatch.observer/filing/0001628280-26-052797 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer