---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-119493"
form_type: "8-K"
ticker: "AM"
cik: "0001623925"
company_name: "Antero Midstream Corp"
filed_at: "2025-12-09T23:59:59+00:00"
generated_at: "2026-05-16T13:47:58.402085+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Antero Midstream launches $500M senior notes offering to fund HG Energy II acquisition

## Summary
- Offering $500M aggregate principal of senior unsecured notes due 2034 in a private placement.
- Proceeds, with revolver borrowings and Utica Shale asset sale proceeds, to fund HG Acquisition.
- Notes subject to special mandatory redemption at 100% if HG Acquisition not closed by June 2, 2026 (extendable to Sep 2, 2026).
- As of Dec 8, 2025, ~$462M drawn on revolver including ~$83M escrowed for HG Acquisition consideration.
- Estimated ~$16M in fees/expenses related to HG Acquisition and Utica Disposition.

## SEC filing metadata
- accession: 0001104659-25-119493
- form_type: 8-K
- ticker: AM
- cik: 0001623925
- company_name: Antero Midstream Corp
- filed_at: 2025-12-09T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1623925/000110465925119493/0001104659-25-119493-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1623925/000110465925119493/tm2533067d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-119493
- JSON: https://secwatch.observer/filing/0001104659-25-119493.json
- Plain text: https://secwatch.observer/filing/0001104659-25-119493.txt

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