---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-119754"
form_type: "8-K"
ticker: "AM"
cik: "0001623925"
company_name: "Antero Midstream Corp"
filed_at: "2025-12-10T23:59:59+00:00"
generated_at: "2026-05-16T13:38:43.846738+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Antero Midstream prices upsized $600M 5.75% senior notes due 2034 at par

## Summary
- Upsized private placement to $600M aggregate principal of 5.75% senior notes due 2034, priced at par.
- Offering expected to close Dec 23, 2025; net proceeds ~$593M after discounts and expenses.
- Proceeds to fund HG Energy acquisition ($600M) along with credit facility draws and Utica asset sale proceeds.
- Special mandatory redemption if HG acquisition not closed by June 2, 2026 (extendable to Sept 2, 2026).
- Offering not contingent on closing of HG acquisition or Utica disposition; those deals not contingent on offering.

## SEC filing metadata
- accession: 0001104659-25-119754
- form_type: 8-K
- ticker: AM
- cik: 0001623925
- company_name: Antero Midstream Corp
- filed_at: 2025-12-10T23:59:59+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/1623925/000110465925119754/0001104659-25-119754-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1623925/000110465925119754/tm2533139d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-119754
- JSON: https://secwatch.observer/filing/0001104659-25-119754.json
- Plain text: https://secwatch.observer/filing/0001104659-25-119754.txt

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