Form 4 for DV DoubleVerify Holdings, Inc.
Accepted 2026-09-17 16:08:24 ET · period of report 2026-09-15 · accession 0001819928-26-000096 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-09-17 16:08 | 2026-09-15 | DV | Zagorski Mark | CEO, Dir | M - OptEx | $0.00 | +60.8K | 614.1K | +11% | $0 |
| DM | 2026-09-17 16:08 | 2026-09-15 | DV | Zagorski Mark | CEO, Dir | F - Tax | $13.50 | -31.1K | 610.1K | -5% | -$419.2K |
| DM | 2026-09-17 16:08 | 2026-09-15 | DV | Zagorski Mark | CEO, Dir | M - OptEx | $0.00 | -70.2K | 9,375 | -88% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-15 | M | A | 22,919 | $0.00 | 603,283 | D | — | — | (F1) Each restricted stock unit was granted on March 12, 2026. 8.33% of the restricted stock units vested and were settled on March 15, 2026 (the "2026 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. |
| 2 | Common | Common Stock | 2026-09-15 | F | D | 11,701 | $13.50 | 591,582 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 3 | Common | Common Stock | 2026-09-15 | M | A | 12,122 | $0.00 | 603,704 | D | — | — | (F3) Each performance stock unit was granted on March 13, 2025. 41.67% of the earned shares vested and were settled on the 2026 Vesting Date, and the remainder of the earned shares vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. |
| 4 | Common | Common Stock | 2026-09-15 | F | D | 6,189 | $13.50 | 597,515 | D | — | — | (F4) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units. |
| 5 | Common | Common Stock | 2026-09-15 | M | A | 15,219 | $0.00 | 612,734 | D | — | — | (F5) Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. |
| 6 | Common | Common Stock | 2026-09-15 | F | D | 7,770 | $13.50 | 604,964 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 7 | Common | Common Stock | 2026-09-15 | M | A | 2,757 | $0.00 | 607,721 | D | — | — | (F6) Each performance stock unit 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 and settle at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date. |
| 8 | Common | Common Stock | 2026-09-15 | F | D | 1,408 | $13.50 | 606,313 | D | — | — | (F4) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units. |
| 9 | Common | Common Stock | 2026-09-15 | M | A | 7,802 | $0.00 | 614,115 | D | — | — | (F7) Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. |
| 10 | Common | Common Stock | 2026-09-15 | F | D | 3,983 | $13.50 | 610,132 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 11 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 22,919 | $0.00 | 206,243 | D | — · — to — | 22,919 Common Stock | (F8) Restricted stock units convert into common stock on a one-for-one basis. (F1) Each restricted stock unit was granted on March 12, 2026. 8.33% of the restricted stock units vested and were settled on March 15, 2026 (the "2026 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. (F1) Each restricted stock unit was granted on March 12, 2026. 8.33% of the restricted stock units vested and were settled on March 15, 2026 (the "2026 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. |
| 12 | Derivative | Performance Stock Units | 2026-09-15 | M | D | 12,122 | $0.00 | 60,605 | D | — · — to — | 12,122 Common Stock | (F9) Performance stock units convert into common stock on a one-for-one basis. (F3) Each performance stock unit was granted on March 13, 2025. 41.67% of the earned shares vested and were settled on the 2026 Vesting Date, and the remainder of the earned shares vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. (F3) Each performance stock unit was granted on March 13, 2025. 41.67% of the earned shares vested and were settled on the 2026 Vesting Date, and the remainder of the earned shares vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date. |
| 13 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 15,219 | $0.00 | 136,971 | D | — · — to — | 15,219 Common Stock | (F8) Restricted stock units convert into common stock on a one-for-one basis. (F5) Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. (F5) Each restricted stock unit was granted on March 13, 2025. 6.25% of the restricted stock units vested and were settled on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. |
| 14 | Derivative | Performance Stock Units | 2026-09-15 | M | D | 2,757 | $0.00 | 2,757 | D | — · — to — | 2,757 Common Stock | (F9) Performance stock units convert into common stock on a one-for-one basis. (F6) Each performance stock unit 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 and settle at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date. (F6) Each performance stock unit 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 and settle at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date. |
| 15 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 7,802 | $0.00 | 39,005 | D | — · — to — | 7,802 Common Stock | (F8) Restricted stock units convert into common stock on a one-for-one basis. (F7) Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. (F7) Each restricted stock unit was granted on December 19, 2023. 6.25% of the restricted stock units vested and were settled on March 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. |
| 16 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 9,375 | $0.00 | 9,375 | D | — · — to — | 9,375 Common Stock | (F8) Restricted stock units convert into common stock on a one-for-one basis. (F10) 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. (F11) Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. (F11) Each restricted stock unit was granted on December 12, 2022. 6.25% of the restricted stock units vested on March 15, 2023 (the "2023 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. |