AR · CIK 0001433270
What Antero Resources Corporation told the SEC could break it.
Antero's disclosures are those of a pure-play commodity producer concentrated in one place. Its revenue is fully exposed to inherently volatile prices — in 2025, 57% of production revenue came from natural gas and 43% from NGLs and oil, with the SEC reference gas price swinging from $2.13 to $3.39 per MMBtu year over year — and all of its acreage and operations sit in a single producing region, the Appalachian Basin in West Virginia and Ohio. Layered on are regulatory and legal exposures tied to that business: an ongoing EPA Clean Air Act notice of violation over combustion devices, and FERC jurisdiction over its gas sales that carries civil penalties of up to about $1 million per day per violation.
4 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Commodity & input dependence
- natural gas, NGL and oil pricesmedium
Antero's revenue is fully exposed to inherently volatile natural gas, NGL and oil prices (FY2025 production revenue 57% gas / 43% NGLs and oil); SEC reference gas price swung from $2.13 to $3.39/MMBtu year-over-year.
“During 2024 and 2025, our production revenues were comprised of 44% and 57%, respectively, from the sale of natural gas and 56% and 43%, respectively, from the sale of NGLs and oil. Natural gas, NGLs and oil prices are inherently volatile and are influenced by many factors outside of our control.”
Geographic concentration
- single-basin operations (Appalachian Basin, WV/Ohio)medium
All of Antero's acreage and operations are in the Appalachian Basin (primarily West Virginia and Ohio), concentrating the company in a single U.S. producing basin.
“All of our acreage is located in the Appalachian Basin primarily in West Virginia and Ohio. Our Ohio acreage is included in the Utica Shale Divestiture. Approximately 86% of our net Appalachian Basin acreage is held by production.”
Litigation
- EPA Clean Air Act Notice of Violation (Region III)low
Antero faces an ongoing EPA Region III Notice of Violation alleging that combustion devices at certain facilities did not meet Clean Air Act / West Virginia air-permitting requirements.
“In June 2018, the Company received a Notice of Violation (“NOV”) from the EPA Region III for alleged violations of the federal Clean Air Act and the West Virginia State Implementation Plan. The NOV alleges that combustion devices at these facilities did not meet applicable air permitting requirements.”
Regulatory & policy
- FERC NGA/NGPA civil penalties (Order No. 906)low
Antero's gas sales/transportation are subject to FERC jurisdiction; under EPAct 2005 FERC can assess civil penalties up to ~$1M/day per violation, and Order No. 906 (Jan 2025) raised the maximum penalty amounts for inflation.
“Under the EPAct of 2005, FERC has the power to assess civil penalties of up to $1,000,000 (adjusted annually for inflation) per day for each violation of the NGA and the NGPA. In January 2025, FERC issued an order (Order No. 906) increasing the maximum civil penalty amounts under the NGA and NGPA to adjust for inflation.”
SEC filing →As of 2026
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings, including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its customers
“The Company also contracts with the primary processor of its natural gas, MarkWest, to market a portion of the Company's NGLs, which accounted for approximately 16 % of the Company's sales for the years ended December 31, 2023 and 2024.”
Cited →
Its suppliers
“Subject to pre-existing dedications and other third-party commitments, we have dedicated to Antero Midstream substantially all of our current and future acreage in West Virginia and Ohio for gathering and compression services.”
Cited →“We currently derive substantially all of our revenue from Antero Resources. Any development that materially and adversely affects Antero Resources' operations, financial condition or market reputation could have a material adverse impact on us.”
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