Welcome to our dedicated page for Antero Midstream SEC filings (Ticker: AM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Antero Midstream Corporation filings document the public-company disclosures of an Appalachian Basin midstream operator with NYSE-listed common stock. Form 8-K reports cover quarterly and annual operating results, Regulation FD investor materials, material events, financing arrangements and capital-structure matters involving Antero Midstream Partners LP and Antero Midstream Finance Corporation.
Proxy filings describe annual meeting matters, board elections, shareholder voting items and governance practices. The filing record also documents registered securities, senior note obligations, revolving credit facility references, risk and financial disclosures, and formal updates tied to the company's gathering, compression, processing, fractionation and water asset operations.
Antero Midstream Corporation reported first quarter 2026 financial and operating results, showing modest growth while closing its largest acquisition to date. Revenue was $314 million, with Net Income of $118 million or $0.25 per diluted share, roughly in line with the prior year.
Adjusted Net Income was $138 million or $0.29 per diluted share, up 4% per share year over year, and Adjusted EBITDA reached $288 million, a 5% increase. Adjusted Free Cash Flow after dividends was $85 million, an 8% increase, supporting continued shareholder returns including the repurchase of 1.0 million shares for $18 million.
Gathering volumes rose 14% to 3,805 MMcf/d, though fresh water delivery volumes declined. The company completed the HG Energy acquisition and sold its Ohio Utica Shale assets, financed partly through higher debt, resulting in consolidated total debt of $3.69 billion. Management highlighted ongoing integration projects, new pads brought online, and a leverage profile in the low three-times range.
Antero Midstream Corporation reported stable first-quarter 2026 results while executing major portfolio changes. Revenue rose to $314.2 million from $291.1 million a year earlier, and net income was slightly lower at $118.3 million versus $120.7 million, keeping diluted EPS at $0.25.
The company closed the $1.11 billion cash acquisition of HG Energy II Midstream Holdings on February 3, 2026, adding gathering and water assets in West Virginia. It also completed a $400 million Utica Shale midstream divestiture, recording a $3 million gain in the quarter. Operating cash flow increased to $238.6 million, while long-term debt rose to $3.67 billion, including $442.4 million drawn on its credit facility.
In ongoing Clearwater Facility litigation with Veolia Water Technologies, a Colorado district court judgment of about $280 million plus roughly $19 million in attorneys’ fees in favor of an Antero subsidiary has been affirmed on appeal, while aspects of the case are now before the Colorado Supreme Court.
Antero Midstream Corporation is asking shareholders to vote at its June 3, 2026 virtual annual meeting on four key items: electing three Class I directors, ratifying KPMG LLP as auditor for 2026, and two advisory votes on executive pay and its frequency.
The proxy highlights 2025 performance, including an 11% increase in cash flow from operations to $932 million, approximately $135 million of share repurchases, leverage reduced below 3.0x Net Debt / EBITDA, and asset uptime above 99%. Annual incentives paid at 200% of target based on financial, leverage, return on invested capital and sustainability metrics.
The filing details a 2025 leadership succession in which Michael N. Kennedy became Chief Executive Officer and President, Paul M. Rady moved to Chairman Emeritus, and the roles of Chairman and CEO were separated. It also underscores ESG priorities such as a 0.031% methane leak loss rate, recycling about 90% of wastewater, strong safety statistics, board independence, and long-term goals for Net Zero Scope 1 and 2 emissions by 2050 for legacy assets.
Antero Midstream Corp director Keenan W. Howard Jr. received a stock grant of 1,617 common shares. The shares were acquired on April 10, 2026 as a grant or award with a reported price of $0.00 per share, indicating compensation rather than an open-market purchase. After this award, Howard directly holds 155,784 common shares of Antero Midstream, making this a relatively small, routine increase in his ownership.
DEA PETER A reported acquisition or exercise transactions in this Form 4 filing.
Antero Midstream Corp director Peter A. Dea received a grant of 1,617 shares of common stock as equity compensation. The shares were awarded at a stated price of $0.00 per share, indicating a non-cash stock award rather than an open-market purchase.
Following this grant, Dea directly holds 66,901 shares of Antero Midstream common stock. This type of award is a routine form of director compensation that increases the insider’s equity stake without involving a market transaction.
Chisholm Nancy reported acquisition or exercise transactions in this Form 4 filing.
Antero Midstream Corp director Nancy Chisholm received a stock grant. On April 10, 2026, she was awarded 1,617 shares of Antero Midstream common stock at no purchase price, as a grant or award. After this transaction, she directly owns 32,301 shares of the company’s common stock.
Antero Midstream Corp director Jeffrey S. Munoz received a grant of 1,617 shares of common stock on April 10, 2026. The shares were acquired at a price of $0.00 per share as a non-derivative award. Following this grant, Munoz directly holds a total of 11,497 shares of Antero Midstream common stock.
KEYTE DAVID H reported acquisition or exercise transactions in this Form 4 filing.
Antero Midstream Corp director David H. Keyte received a grant of 2,950 shares of common stock on April 10, 2026. The award was recorded at no purchase price, reflecting equity compensation rather than an open-market buy. Following this grant, he directly holds 114,678 shares.
MCARDLE JANINE J reported acquisition or exercise transactions in this Form 4 filing.
Director Janine J. McArdle of Antero Midstream Corp received an equity grant of 1,617 shares of common stock on April 10, 2026. The award was recorded at a price of $0.00 per share, indicating a compensation-related grant rather than a market purchase. Following this grant, she directly holds 80,517 shares of Antero Midstream common stock.