| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pearce Sheri | Senior Vice President - Accounting and Chief Accounting Officer | 1615 WYNKOOP STREET, DENVER | /s/ Yvette K. Schultz, as attorney-in-fact for Sheri Pearce | 10 Mar 2026 | 0001808080 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AM | Common stock, par value $0.01 per share | Award | +32,651 | +31% | $0.000000* | 139,140 | 07 Mar 2026 | Direct | F1, F2 | |
| transaction | AM | Common stock, par value $0.01 per share | Tax liability | -25,240 | -18% | $22.97* | 113,900 | 07 Mar 2026 | Direct | F3, F4 | |
| transaction | AM | Common stock, par value $0.01 per share | Sale | $318,640 | -14,000 | -12% | $22.76 | 99,900 | 10 Mar 2026 | Direct | F4, F5 |
| Id | Content |
|---|---|
| F1 | Reflects the grant of restricted stock units ("RSUs") pursuant to the Amended and Restated Antero Midstream Corporation Long Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2026, generally subject to continued employment through each vesting date. |
| F2 | Includes 139,140 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Midstream Corporation (the "Issuer") subject to previously granted RSUs that remain subject to vesting. |
| F3 | In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the Plan, the Issuer withheld shares of Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on March 6, 2026. |
| F4 | Includes 81,755 shares of Common Stock subject to previously granted RSUs that remain subject to vesting. |
| F5 | The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.66 to $22.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (5). |
Senior Vice President - Accounting and Chief Accounting Officer