---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-009701"
form_type: "8-K"
ticker: "FANG"
cik: "0001539838"
company_name: "Diamondback Energy, Inc."
filed_at: "2025-03-20T23:59:59+00:00"
generated_at: "2026-05-24T10:09:50.696424+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Diamondback Energy closes $1.2B offering of 5.550% Senior Notes due 2035

## Summary
- Issued $1,200,000,000 aggregate principal of 5.550% Senior Notes maturing 2035.
- Notes are senior unsecured and rank equally with Diamondback's existing senior debt.
- Diamondback E&P LLC guarantees the Notes as a subsidiary guarantor.
- Optional redemption at make-whole premium prior to Jan 1, 2035; at par thereafter.
- Offering closed March 20, 2025; terms set by Third Supplemental Indenture.

## SEC filing metadata
- accession: 0001140361-25-009701
- form_type: 8-K
- ticker: FANG
- cik: 0001539838
- company_name: Diamondback Energy, Inc.
- filed_at: 2025-03-20T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1539838/000114036125009701/0001140361-25-009701-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1539838/000114036125009701/ef20045911_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-009701
- JSON: https://secwatch.observer/filing/0001140361-25-009701.json
- Plain text: https://secwatch.observer/filing/0001140361-25-009701.txt

## Key facts
- Debt Financings
  Diamondback Energy, Inc. incurred senior notes of $1,200,000,000 aggregate principal amount with Computershare Trust Company, National Association at 5.550% maturing 2035.
  - Instrument: senior notes
  - Principal: $1,200,000,000 aggregate principal amount
  - Counterparty: Computershare Trust Company, National Association
  - Rate: 5.550%
  - Maturity: 2035
  - Event: incurrence
  source text: On March 20, 2025, Diamondback Energy, Inc. (the “Company” or “Diamondback”) completed its previously announced underwritten public offering (the “Notes Offering”) of $1,200,000,000 aggregate principal amount of its 5.550% Senior Notes due 2035 (the “Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1539838/000114036125009701/0001140361-25-009701-index.htm

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