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.
Michael N. Kennedy, a director and Chief Executive Officer and President of Antero Midstream Corp, reported an insider transaction involving the company’s common stock.
On 12/12/2025, he disposed of 15,000 shares of common stock at a reported price of $0.00 per share in a transaction coded "G", and now beneficially owns 1,349,090 shares. This total includes 457,904 shares subject to previously granted restricted stock units that remain subject to vesting.
Antero Midstream Corporation announced the pricing of a previously launched private placement of $600.0 million aggregate principal amount of 5.750% senior notes due 2034 issued by its subsidiaries Antero Midstream Partners LP and Antero Midstream Finance Corporation. The deal was upsized from an initial target of $500.0 million and is expected to close on December 23, 2025.
If Antero’s planned acquisition of HG Energy II Midstream Holdings LLC does not close by a contractually defined outside date, if the purchase agreement is terminated, or if Antero Midstream Partners concludes the acquisition will not occur, the issuer must redeem all of the notes at 100% of their initial issue price plus accrued and unpaid interest. Completion of the notes offering is not contingent on closing the HG acquisition or on the planned Utica Shale midstream asset disposition, and those transactions are not contingent on the notes offering.
Antero Midstream Corporation announced that its indirect, wholly owned subsidiaries intend to launch a private offering of $500 million aggregate principal amount of senior notes due 2034. The company plans to use the net proceeds from these notes, together with borrowings under Antero Midstream Partners LP’s revolving credit facility and proceeds from selling all of its Utica Shale midstream assets, to fund the acquisition of HG Energy II Midstream Holdings, LLC and related costs. If the HG acquisition does not close by the specified outside dates, is terminated, or is determined not to close, Antero Midstream Partners will be required to redeem all of the notes at 100% of their initial issue price plus accrued interest. As of December 8, 2025, Antero Midstream Partners had approximately $462 million outstanding under its revolving credit facility, including about $83 million in escrow, and estimated combined fees and expenses for the HG acquisition and Utica disposition of roughly $16 million.
Antero Midstream Corporation announced a major portfolio reshaping involving a large acquisition and a divestiture. Its subsidiary Antero Midstream Partners agreed to buy 100% of HG Energy II Midstream Holdings for cash consideration of $1.1 billion, while affiliate Antero Resources separately agreed to acquire HG Energy II Production Holdings for $2.8 billion. The HG Production business includes about 385,000 net acres in the core of the Marcellus Shale in West Virginia. The parties will place deposits of roughly $82.5 million and $210 million into escrow, and the acquisitions are expected to close in the first half of 2026, subject to customary conditions and Hart-Scott-Rodino antitrust clearance.
To support funding, Antero Midstream Partners secured a commitment for a $700 million unsecured 364-day bridge term loan and intends to use its revolving credit facility, proceeds from a planned Utica midstream asset sale and/or debt market transactions. Separately, Antero Midstream subsidiaries agreed to sell substantially all of their Utica Shale midstream assets to affiliates of Infinity Natural Resources and Northern Oil and Gas for about $400 million in cash, with a $40 million escrow deposit and an expected closing in the first quarter of 2026, also subject to customary conditions and HSR clearance.
Antero Midstream Corporation furnished a Regulation FD update, noting it posted an updated investor presentation on its website on November 12, 2025. The Item 7.01 information is furnished, not deemed filed under Section 18 of the Exchange Act, and is not incorporated by reference into Securities Act filings unless specifically referenced.
Invesco Ltd. filed Amendment No. 8 to Schedule 13G reporting beneficial ownership of 22,667,235 shares of Antero Midstream Corp. common stock, representing 4.7% of the class as of 09/30/2025. Invesco reports sole voting power over 22,503,119 shares and sole dispositive power over 22,667,235 shares, with no shared voting or dispositive power.
The filing states the shares are held of record by clients of Invesco’s investment advisers, and that no one individual has greater than 5% economic ownership. Listed adviser subsidiaries include Invesco Advisers, Inc., Invesco Management S.A., and Invesco Capital Management LLC. Invesco certifies the securities were acquired and are held in the ordinary course and not for the purpose of changing or influencing control.
Antero Corporation filed a current report to furnish a press release issued by Antero Midstream Corporation announcing its financial and operational results for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1 and is incorporated by reference in this report.
The information, including Exhibit 99.1, is being furnished under Item 2.02 and is expressly stated as not being deemed “filed” under the Securities Exchange Act of 1934, which limits the company’s potential liability for this disclosure and its automatic incorporation into other securities filings.
Antero Midstream Corporation (AM) reported higher Q3 2025 results. Total revenue rose to $294.8 million from $269.9 million, driven by growth in gathering and compression ($249.8 million) and water handling ($62.7 million before amortization). Net income increased to $116.0 million, or $0.24 per diluted share, compared with $99.7 million, or $0.21 per diluted share, a year ago.
For the first nine months of 2025, revenue reached $891.4 million and net income was $361.2 million, reflecting stronger volumes and steady margins. Operating cash flow was $677.0 million, funding $113.4 million of capital additions and $331.8 million of common dividends.
AM refined its capital structure: it issued $650 million of 5.75% senior notes due 2033 and redeemed $650 million of 5.75% notes due 2027. Long-term debt decreased to $3.01 billion from $3.12 billion at year-end 2024, and Credit Facility borrowings fell to $380 million. Shares outstanding were 476.7 million as of September 30, 2025; 476.3 million were outstanding as of October 24, 2025.
Antero Midstream (AM): Director W. Howard Keenan, Jr. reported acquiring 1,935 shares of common stock on 10/10/2025 at a price of $0.00 per share. Following the transaction, he beneficially owns 152,109 shares, held directly.
The filing reflects a routine insider transaction and does not list any derivative securities activity.
Antero Midstream (AM) director Peter A. Dea reported an insider acquisition. On 10/10/2025, he acquired 1,935 shares of common stock at $0.00 per share (Code: A). Following the transaction, he beneficially owns 63,226 shares, held directly.