---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-177551"
form_type: "8-K"
ticker: "DINO"
cik: "0001915657"
company_name: "HF Sinclair Corp"
filed_at: "2025-08-11T23:59:59+00:00"
generated_at: "2026-05-17T15:47:08.661321+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# HF Sinclair commences cash tender offer for up to $403M of senior notes due 2026/2027

## Summary
- Tender offer for any & all $153.6M of 5.875% notes due 2026 and $249.9M of 6.375% notes due 2027.
- Consideration based on fixed spread of 50 bps over reference Treasury yields; plus accrued interest.
- Expiration: Aug 15, 2025 at 5:00 p.m. NY time; settlement expected Aug 20.
- Offer conditioned on concurrent notes offering to raise sufficient gross proceeds.
- Lead dealer managers: Citigroup, Citizens, Mizuho; info agent D.F. King.

## SEC filing metadata
- accession: 0001193125-25-177551
- form_type: 8-K
- ticker: DINO
- cik: 0001915657
- company_name: HF Sinclair Corp
- filed_at: 2025-08-11T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1915657/000119312525177551/0001193125-25-177551-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1915657/000119312525177551/d33686d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-177551
- JSON: https://secwatch.observer/filing/0001193125-25-177551.json
- Plain text: https://secwatch.observer/filing/0001193125-25-177551.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.