---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-155127"
form_type: "8-K"
ticker: "SUN"
cik: "0001552275"
company_name: "Sunoco LP"
filed_at: "2024-06-05T23:59:59+00:00"
generated_at: "2026-06-01T06:15:48.092180+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Sunoco LP completes merger with NuStar Energy and adds guarantors to senior notes

## Summary
- On May 31, 2024, Sunoco entered into six supplemental indentures to add subsidiaries as guarantors for its senior notes including 5.500% due 2026 and 5.875% due 2028.
- Also entered into Eleventh Supplemental Indenture to add Sunoco and subsidiaries as guarantors for NuStar's senior notes: 5.625% due 2027, 6.000% due 2026, 6.750% due 2025, 6.375% due 2030.
- The merger of NuStar into Sunoco was completed on May 3, 2024, as previously announced in January 2024.
- Sunoco GP LLC is the general partner; the filing includes items 1.01, 2.03, and 9.01.

## SEC filing metadata
- accession: 0001193125-24-155127
- form_type: 8-K
- ticker: SUN
- cik: 0001552275
- company_name: Sunoco LP
- filed_at: 2024-06-05T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552275/000119312524155127/0001193125-24-155127-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552275/000119312524155127/d736484d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-155127
- JSON: https://secwatch.observer/filing/0001193125-24-155127.json
- Plain text: https://secwatch.observer/filing/0001193125-24-155127.txt

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