---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-214367"
form_type: "8-K"
ticker: "DINO"
cik: "0001915657"
company_name: "HF Sinclair Corp"
filed_at: "2023-08-16T23:59:59+00:00"
generated_at: "2026-06-11T08:50:59.231132+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# HF Sinclair to acquire remaining HEP units at 0.3150 shares + $4 cash per unit

## Summary
- Each HEP common unit not owned by HF Sinclair will get 0.3150 DINO shares plus $4 cash.
- Transaction expected to close in Q4 2023; approvals needed from DINO stockholders and HEP unitholders.
- HEP will become a wholly-owned subsidiary of HF Sinclair, no longer publicly traded.
- Termination fee of $10M (HEP) or $20M (HF Sinclair) under certain conditions; expense caps of $5M each.
- Midstream segment remains core; the deal aims to simplify structure and support portfolio optimization.

## SEC filing metadata
- accession: 0001193125-23-214367
- form_type: 8-K
- ticker: DINO
- cik: 0001915657
- company_name: HF Sinclair Corp
- filed_at: 2023-08-16T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1915657/000119312523214367/0001193125-23-214367-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1915657/000119312523214367/d456073d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-214367
- JSON: https://secwatch.observer/filing/0001193125-23-214367.json
- Plain text: https://secwatch.observer/filing/0001193125-23-214367.txt

## Key facts
- Material Agreements
  HF Sinclair Corp entered into Agreement and Plan of Merger with Navajo Pipeline Co., L.P., Holly Apple Holdings LLC, Holly Energy Partners, L.P., HEP Logistics Holdings, L.P., Holly Logistic Services, L.L.C. (effective 2023-08-15).
  - Action: entry
  - Agreement: merger
  - Counterparty: Navajo Pipeline Co., L.P., Holly Apple Holdings LLC, Holly Energy Partners, L.P., HEP Logistics Holdings, L.P., Holly Logistic Services, L.L.C.
  - Effective: 2023-08-15
  source text: On August 15, 2023, HF Sinclair Corporation, a Delaware corporation (“Parent”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Navajo Pipeline Co., L.P., a Delaware limited partnership and an indirect wholly owned subsidiary of Parent (“HoldCo”), Holly Apple Holdings LLC, a Delaware limited liability company and a wholly owned subsidiary of HoldCo (“Merger Sub”), Holly Energy Partners, L.P., a Delaware limited partnership (the “Partnership”), HEP Logistics Holdings, L.P., a Delaware limited partnership and the general partner of the Partnership (“HLH”), and Holly Logistic Services, L.L.C., a Delaware limited liability company and the general partner of HLH (the “General Partner”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1915657/000119312523214367/0001193125-23-214367-index.htm

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