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 Corp (AM) reported a Form 4 for director Nancy Chisholm. On 10/10/2025, she acquired 1,935 shares of common stock at $0.00 per share. Following this transaction, she directly holds 28,626 shares.
The filing was signed by /s/ Yvette K. Schultz as attorney-in-fact for Nancy Chisholm. No derivative securities transactions were reported in this filing.
Antero Midstream (AM) insider transaction: Director John C. Mollenkopf acquired 1,935 shares of common stock at $0.00 per share on 10/10/2025. Following this transaction, he beneficially owns 100,984 shares, held directly. The filing was signed by Yvette K. Schultz as attorney-in-fact on 10/14/2025.
Antero Midstream (AM) reported an insider transaction by a director on 10/10/2025. The reporting person acquired 1,935 shares of common stock at $0.00 per share.
After the transaction, the director beneficially owned 7,822 shares, held directly. The submission was signed by an attorney-in-fact on 10/14/2025.
Antero Midstream Corp (AM) disclosed an insider transaction. A company director acquired 1,935 shares of common stock at $0.00 on 10/10/2025. Following this transaction, the director beneficially owned 76,842 shares, held directly.
Antero Midstream Corp (AM) reported an insider transaction on a Form 4. A director acquired 2,767 shares of common stock on 10/10/2025 at a reported price of $0.00, a typical indicator of a grant or award. Following this transaction, the director’s beneficial ownership stands at 107,973 shares, held directly.
Antero Midstream Corp (AM): Director Brooks J. Klimley reported acquiring 1,935 shares of common stock on 10/10/2025 at a reported price of $0.00 per share (transaction code A). Following this transaction, he beneficially owns 77,622 shares, held directly. The filing indicates it was submitted by a single reporting person and signed by an attorney-in-fact.
Antero Midstream Corporation filed an 8-K reporting the creation of a new secured financing arrangement and a corporate severance plan. The filing identifies an indenture dated September 22, 2025 among Antero Midstream Partners LP, Antero Midstream Finance Corporation, guarantors and Computershare Trust Company, N.A., as trustee, and discloses a form of 5.75% Senior Note due 2033 (included as Exhibit 4.1). The company also adopted an Executive Severance Plan effective September 17, 2025. The filing lists related exhibits and Contact information for the company’s Chief Financial Officer, Justin J. Agnew.
Antero Midstream Corporation reports that its subsidiaries plan a private offering of $500.0 million in senior notes due 2033. The company expects to use the net proceeds, together with borrowings under Antero Midstream Partners’ revolving credit facility, to redeem in full its 5.75% senior notes due 2027 at 100.0% of principal plus accrued and unpaid interest. As of September 8, 2025, there was $650.0 million aggregate principal amount of these 2027 notes outstanding, and the redemption is expected to be conditioned on completion of the new notes offering. The company also disclosed that as of August 31, 2025, Antero Midstream Partners had $405 million outstanding under its revolving credit facility.
Justin J. Agnew, Chief Financial Officer and Vice President - Finance & Investor Relations of Antero Midstream Corporation (AM), reported beneficial ownership of 191,743 shares of common stock in an initial Form 3 filed for the 08/14/2025 event. The total includes 66,648 shares subject to unvested restricted stock units. No derivative securities were reported. The filing was signed on behalf of Mr. Agnew on 08/25/2025.
Sheri Pearce, Senior Vice President - Accounting and Chief Accounting Officer of Antero Midstream Corporation (AM), reported an insider sale of common stock. On 08/20/2025 she disposed of 39,155 shares at a weighted average price of $17.51 per share, executed in multiple transactions at prices ranging from $17.44 to $17.53. After the sale, the reporting person beneficially owned 106,489 shares, which includes restricted stock units that remain subject to vesting. The filing notes the seller will provide, upon request, full detail on the number of shares sold at each price within the reported range.