Transaction Details

Footnotes

Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date. | Each restricted stock unit "RSU" was granted on March 13, 2025. 6.25% of the RSUs vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the RSUs vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. | Represents shares withheld to satisfy tax obligations in connection with the vesting of 15,220 RSUs on June 15, 2025. | Each performance stock unit "PSU" was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on the 2025 Vesting Date, and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date. | Represents shares withheld to satisfy tax obligations in connection with the vesting of 2,756 PSUs on June 15, 2025. | Each RSU was granted on December 19, 2023. 6.25% of the RSUs vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the RSUs vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. | Represents shares withheld to satisfy tax obligations in connection with the vesting of 7,802 RSUs on June 15, 2025. | Each RSU was granted on December 10, 2021. 6.25% of the RSUs vested and were settled on March 15, 2022 (the "2022 Vesting Date"), and the remainder of the RSUs vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date. | Represents shares withheld to satisfy tax obligations in connection with the vesting of 6,471 RSUs on June 15, 2025. | RSUs convert into common stock on a one-for-one basis. | PSUs convert into common stock on a one-for-one basis. | Each RSU was granted on December 12, 2022. 6.25% of the RSUs vested on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the RSUs vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. | As reported previously, vested shares will be delivered to the reporting person as soon as administratively feasible following his separation from service with the Issuer.