---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-287462"
form_type: "8-K"
ticker: "DINO"
cik: "0001915657"
company_name: "HF Sinclair Corp"
filed_at: "2023-12-01T23:59:59+00:00"
generated_at: "2026-06-07T19:36:21.454518+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# HF Sinclair completes acquisition of Holly Energy Partners for 0.3150 shares + $4.00 cash per unit

## Summary
- Merger effective December 1, 2023; each HEP common unit converted into 0.3150 DINO shares plus $4.00 cash, no interest.
- HEP common units will be delisted from NYSE; HEP ceases to be a publicly traded partnership.
- HF Sinclair CEO Tim Go says deal advances strategy of integrating and optimizing combined assets.
- Credit Agreement Amendment: Parent guaranty added; subsidiary guaranties and certain reporting/covenant restrictions eliminated.

## SEC filing metadata
- accession: 0001193125-23-287462
- form_type: 8-K
- ticker: DINO
- cik: 0001915657
- company_name: HF Sinclair Corp
- filed_at: 2023-12-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1915657/000119312523287462/0001193125-23-287462-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1915657/000119312523287462/d567057d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-287462
- JSON: https://secwatch.observer/filing/0001193125-23-287462.json
- Plain text: https://secwatch.observer/filing/0001193125-23-287462.txt

## Key facts
- Material Agreements
  HF Sinclair Corp entered into Amendment No. 3 to Third Amended and Restated Credit Agreement with Wells Fargo Bank, National Association valued at amends certain terms of Third Amended and Restated Credit Agreement dated July 27, 2017 (effective 2023-12-01).
  - Action: entry
  - Agreement: credit facility
  - Counterparty: Wells Fargo Bank, National Association
  - Value: amends certain terms of Third Amended and Restated Credit Agreement dated July 27, 2017
  - Effective: 2023-12-01
  source text: On December 1, 2023, the Partnership, as borrower, Parent, as parent guarantor, Wells Fargo Bank, National Association (“Wells Fargo”), as administrative agent and an issuing bank, and the financial institutions party thereto as lenders entered into that certain Amendment No. 3 to Third Amended and Restated Credit Agreement (the “Amendment”), which amended certain terms of that certain Third Amended and Restated Credit Agreement, dated as of July 27, 2017 by and among the Partnership, as borrower, Wells Fargo, as administrative agent and an issuing bank, and each of the financial institutions party thereto from time to time as lenders
  evidence_url: https://www.sec.gov/Archives/edgar/data/1915657/000119312523287462/0001193125-23-287462-index.htm

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