DINO HF SINCLAIR CORP Payment Defaults 8-K Filing 2025 - Tender Offer Announcement HF Sinclair Corporation announced a cash tender offer to buy up to $1,050,000,000 of its and HollyFrontier's senior notes, including $150,000,000 of 6.375% Senior Notes due 2027 and 5.875% Senior Notes due 2026.Get access to all SEC 8-K filings of the HF SINCLAIR CORP