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 director John C. Mollenkopf received an equity grant of 1,617 shares of common stock on April 10, 2026. The shares were awarded at a stated price of $0.00 per share, indicating a compensation-related grant rather than an open-market purchase.
Following this award, Mollenkopf directly holds a total of 104,659 shares of Antero Midstream common stock. The filing does not show any sales or option exercises, only this grant/award acquisition.
KLIMLEY BROOKS J reported acquisition or exercise transactions in this Form 4 filing.
Antero Midstream Corp director Brooks J. Klimley received a grant of 1,617 shares of common stock. The shares were awarded at no purchase price and increase his directly owned position to 71,297 shares. This appears to be a routine equity compensation award rather than an open-market transaction.
Antero Midstream Corporation filed a current report to notify investors that it posted an updated investor presentation on its website at www.anteromidstream.com.
The presentation is furnished under Item 7.01, meaning it is not treated as filed for liability purposes under Section 18 of the Exchange Act and is not automatically incorporated into other securities filings unless specifically referenced.
The Vanguard Group filed Amendment No. 5 to its Schedule 13G/A reporting its beneficial ownership in Antero Midstream Corp. The amendment states The Vanguard Group reports 0 shares beneficially owned of Common Stock and 0% of the class, following an internal realignment and disaggregation of certain subsidiaries as described under SEC Release No. 34-39538.
The filing lists Vanguard's address and notes the change was effected in connection with the internal realignment dated January 12, 2026. The form is signed by Ashley Grim, Head of Global Fund Administration, dated 03/26/2026.
Antero Midstream Corp director Brooks J. Klimley reported an open-market sale of 5,000 shares of common stock on March 12, 2026 at an average price of $23.16 per share. After this transaction, he directly holds 69,680 shares of Antero Midstream common stock.
Brooks J. Klimley submitted a Form 144 notice to sell 5,000 shares of Common Stock. The filing records a proposed sale with a trade date of 12/16/2025 and a reported transaction value of $87,949.00. The excerpt also lists prior restricted stock vesting events under a registered compensation plan on 04/10/2023 (2,171 shares), 01/10/2025 (2,302 shares) and 04/08/2022 (527 shares) as background.
Antero Midstream Corp officer Sheri Pearce reported a mix of equity compensation and routine share activity. On March 7, 2026, she received 32,651 restricted stock units (RSUs) that vest in three equal annual installments starting March 7, 2026, subject to continued employment. In connection with RSU vesting, the company withheld 25,240 shares at a price based on the $22.97 March 6, 2026 closing price to cover taxes. On March 10, 2026, she made an open-market sale of 14,000 shares at an average price of $22.76 per share. After these transactions, she directly holds 99,900 shares of common stock and 81,755 shares remain subject to previously granted RSUs that are still vesting.
Antero Midstream Corp executive Justin J. Agnew reported equity compensation and related tax withholding. He received a grant of 32,651 restricted stock units under the company’s long-term incentive plan, which are scheduled to vest in three equal installments on each of the first three anniversaries of March 7, 2026, subject to continued employment.
In connection with RSUs vesting and settling into common stock, the company withheld 15,499 shares at a price of $22.97 per share to cover his tax obligations, rather than these being open-market sales. After these transactions, Agnew directly holds 208,895 shares of common stock, including 64,061 shares underlying previously granted RSUs that are still subject to vesting.
Director and officer Michael N. Kennedy of Antero Midstream Corp reported several stock transactions involving company common shares. He received a grant of 261,210 restricted stock units (RSUs) under the company’s long-term incentive plan. These RSUs vest in three equal parts on each of the first three anniversaries of March 7, 2026, generally requiring continued employment on each vesting date.
In connection with RSUs vesting and settling into stock, the company withheld 108,526 shares at a price of $22.97 per share to cover his tax obligations, which is not an open-market sale. Kennedy also made a bona fide gift of 15,000 shares. After these transactions, he directly holds 1,600,594 shares, including 472,354 shares subject to previously granted RSUs that still must vest.
Antero Midstream Corp executive Brendan E. Krueger reported equity compensation activity involving company common stock. He received a grant of 97,953 restricted stock units under the Amended and Restated Long Term Incentive Plan, which vest in three equal annual installments starting on March 7, 2026, subject to continued employment. In connection with RSUs vesting and settling into shares, the company withheld 56,546 shares at a price of $22.97 per share to cover tax obligations, using the March 6, 2026 closing price. After these transactions, Krueger directly owns 674,952 shares of Antero Midstream common stock, including shares underlying previously granted RSUs that remain subject to vesting.