Transaction Details

Footnotes

Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis. | Includes 175, 164, 184, 179, and 166 shares acquired on 1/6/2025, 2/5/2025, 3/4/2025, 4/2/2025 and 5/2/2025, respectively, under the Appian Corporation Employee Stock Purchase Plan. | Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer). | The RSUs were granted on May 5, 2020, and are fully vested. | The RSUs were granted on May 4, 2021, and are fully vested. | The RSUs were granted on May 6, 2025, and vest in four equal annual installments commencing on May 5, 2025, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date. | The RSUs were granted on May 6, 2025, and vest on May 5, 2026, provided the Reporting Person has provided continuous service to the Issuer through the vesting date.