---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-064039"
form_type: "8-K"
ticker: "INR"
cik: "0002029118"
company_name: "INFINITY NATURAL RESOURCES, INC."
filed_at: "2026-02-23T23:59:59+00:00"
generated_at: "2026-05-16T01:17:14.345020+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Infinity closes $1.2B Antero Ohio Utica acquisition; $350M preferred equity from Quantum, Carnelian

## Summary
- Acquired 60% interest (up from 51%) in Ohio Utica upstream & midstream assets from Antero for ~$720M of the $1.2B total; 71K net acres, 110+ undeveloped wells.
- Issued 350,000 shares of 8% Series A Convertible Preferred at $1,000/share for $350M to Quantum ($275M) and Carnelian ($75M); converts at $21.39/share.
- Credit facility amended to $875M borrowing base (from $375M), removing credit spread adjustment; proceeds used to fund acquisition along with cash on hand.
- Board changes: Carnelian's Matthew Kelly appointed; directors Brian Seline and Sarah James resigned effective February 23, 2026.
- Acquisition funded without additional equity; remaining preferred proceeds for general corporate purposes.

## SEC filing metadata
- accession: 0001193125-26-064039
- form_type: 8-K
- ticker: INR
- cik: 0002029118
- company_name: INFINITY NATURAL RESOURCES, INC.
- filed_at: 2026-02-23T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 2.01, 2.03, 3.02, 3.03, 5.02, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2029118/000119312526064039/0001193125-26-064039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2029118/000119312526064039/d30572d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-064039
- JSON: https://secwatch.observer/filing/0001193125-26-064039.json
- Plain text: https://secwatch.observer/filing/0001193125-26-064039.txt

## Source-grounded claims
- claim_id: b1b448c18614ab552bf10ff0ae27f28cade29cdc
  claim: INFINITY NATURAL RESOURCES, INC.: Filed Certificate of Designation for Series A Preferred Stock with Secretary of State of Delaware (effective 2026-02-23).
  evidence_excerpt: In connection with the issuance of Series A Preferred Stock, on February 23, 2026, the Company filed the Certificate of Designation with respect to the Series A Preferred Stock with the Secretary of State of the State of Delaware. The Certificate of Designation became effective that same day.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2029118/000119312526064039/0001193125-26-064039-index.htm
- claim_id: a15375c708e2dfd2728a2b00e0f1c5326719d42e
  claim: INFINITY NATURAL RESOURCES, INC. completed an acquisition involving Antero Resources Corporation, Antero Minerals LLC and Monroe Pipeline LLC (Upstream Sellers); Antero Midstream LLC, Antero Water LLC and Antero Treatment LLC (Midstream Sellers) for combined cash purchase price of approximately $800 million and ... approximately $400 million (closed 2026-02-23).
  evidence_excerpt: On February 23, 2026, Infinity Natural Resources, LLC (“INR Holdings”) and Northern Oil and Gas Inc. (“Northern” and, together with INR Holdings, the “Buyers”) completed their previously announced acquisitions (the “Antero Acquisitions”) of (i) certain rights, title and interests in upstream oil and gas properties, rights and related assets located in the State of Ohio (the “Upstream Assets”) from Antero Resources Corporation, Antero Minerals LLC and Monroe Pipeline LLC (collectively, the “Upstream Sellers”), pursuant to that certain purchase and sale agreement (the “Upstream Purchase Agreement”), dated December 5, 2025, by and among INR Holdings, Northern and the Upstream Sellers, for a combined cash purchase price of approximately $800 million and (ii) certain gathering, compression and transportation systems, water facilities and systems, equipment and related assets located in the counties of Belmont, Guernsey, Monroe, Noble and Washington, Ohio (the “Midstream Assets” and, togethe
  evidence_url: https://www.sec.gov/Archives/edgar/data/2029118/000119312526064039/0001193125-26-064039-index.htm

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