Form 4 for DV DoubleVerify Holdings, Inc.
Accepted 2026-09-17 16:09:21 ET · period of report 2026-09-15 · accession 0001819928-26-000097 · 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 16:09 | 2026-09-15 | DV | Mougis Steven John | Gbl Chief Comm. Off | M - OptEx | $0.00 | +44.0K | 117.3K | +60% | $0 |
| DM | 2026-09-17 16:09 | 2026-09-15 | DV | Mougis Steven John | Gbl Chief Comm. Off | F - Tax | $13.50 | -22.4K | 116.7K | -16% | -$303.0K |
| DM | 2026-09-17 16:09 | 2026-09-15 | DV | Mougis Steven John | Gbl Chief Comm. Off | M - OptEx | $0.00 | -44.0K | 2,286 | -95% | $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 | 9,376 | $0.00 | 104,536 | 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 | 4,787 | $13.50 | 99,749 | 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 | 841 | $0.00 | 100,590 | D | — | — | (F3) Each performance stock unit was granted on March 31, 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 | 430 | $13.50 | 100,160 | 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 | 3,171 | $0.00 | 103,331 | D | — | — | (F5) Each restricted stock unit was granted on March 31, 2025. 6.25% of the restricted stock units vested and settled on June 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. |
| 6 | Common | Common Stock | 2026-09-15 | F | D | 1,619 | $13.50 | 101,712 | 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 | 27,056 | $0.00 | 128,768 | D | — | — | (F6) Each restricted stock unit was granted on March 13, 2025. 12.5% of the restricted stock units vested and were settled on the 2025 Vesting Date, and the remainder of the restricted stock units vest and settle at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date. |
| 8 | Common | Common Stock | 2026-09-15 | F | D | 13,813 | $13.50 | 114,955 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 9 | Common | Common Stock | 2026-09-15 | M | A | 251 | $0.00 | 115,206 | D | — | — | (F7) Each performance stock unit was granted on March 15, 2024. 41.67% of the earned shares vested and were settled on March 15, 2025 (the "2025 PSU 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 PSU Vesting Date. |
| 10 | Common | Common Stock | 2026-09-15 | F | D | 129 | $13.50 | 115,077 | D | — | — | (F4) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units. |
| 11 | Common | Common Stock | 2026-09-15 | M | A | 2,125 | $0.00 | 117,202 | D | — | — | (F8) Each restricted stock unit was granted on March 15, 2024. 6.25% of the restricted stock units vested and settled on June 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. |
| 12 | Common | Common Stock | 2026-09-15 | F | D | 1,085 | $13.50 | 116,117 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 13 | Common | Common Stock | 2026-09-15 | M | A | 1,143 | $0.00 | 117,260 | D | — | — | (F9) Each restricted stock unit was granted on March 15, 2023. 6.25% of the restricted stock units vested and settled on June 15, 2023 (the "2023 Vesting Date") and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. |
| 14 | Common | Common Stock | 2026-09-15 | F | D | 584 | $13.50 | 116,676 | D | — | — | (F2) Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| 15 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 9,376 | $0.00 | 84,372 | D | — · — to — | 9,376 Common Stock | (F10) 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. |
| 16 | Derivative | Performance Stock Units | 2026-09-15 | M | D | 841 | $0.00 | 4,208 | D | — · — to — | 841 Common Stock | (F11) Performance stock units convert into common stock on a one-for-one basis. (F3) Each performance stock unit was granted on March 31, 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 31, 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. |
| 17 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 3,171 | $0.00 | 31,705 | D | — · — to — | 3,171 Common Stock | (F10) Restricted stock units convert into common stock on a one-for-one basis. (F5) Each restricted stock unit was granted on March 31, 2025. 6.25% of the restricted stock units vested and settled on June 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. (F5) Each restricted stock unit was granted on March 31, 2025. 6.25% of the restricted stock units vested and settled on June 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date. |
| 18 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 27,056 | $0.00 | 54,112 | D | — · — to — | 27,056 Common Stock | (F10) Restricted stock units convert into common stock on a one-for-one basis. (F6) Each restricted stock unit was granted on March 13, 2025. 12.5% of the restricted stock units vested and were settled on the 2025 Vesting Date, and the remainder of the restricted stock units vest and settle at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date. (F6) Each restricted stock unit was granted on March 13, 2025. 12.5% of the restricted stock units vested and were settled on the 2025 Vesting Date, and the remainder of the restricted stock units vest and settle at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date. |
| 19 | Derivative | Performance Stock Units | 2026-09-15 | M | D | 251 | $0.00 | 251 | D | — · — to — | 251 Common Stock | (F11) Performance stock units convert into common stock on a one-for-one basis. (F7) Each performance stock unit was granted on March 15, 2024. 41.67% of the earned shares vested and were settled on March 15, 2025 (the "2025 PSU 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 PSU Vesting Date. (F7) Each performance stock unit was granted on March 15, 2024. 41.67% of the earned shares vested and were settled on March 15, 2025 (the "2025 PSU 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 PSU Vesting Date. |
| 20 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 2,125 | $0.00 | 12,748 | D | — · — to — | 2,125 Common Stock | (F10) Restricted stock units convert into common stock on a one-for-one basis. (F8) Each restricted stock unit was granted on March 15, 2024. 6.25% of the restricted stock units vested and settled on June 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. (F8) Each restricted stock unit was granted on March 15, 2024. 6.25% of the restricted stock units vested and settled on June 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date. |
| 21 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 1,143 | $0.00 | 2,286 | D | — · — to — | 1,143 Common Stock | (F10) Restricted stock units convert into common stock on a one-for-one basis. (F9) Each restricted stock unit was granted on March 15, 2023. 6.25% of the restricted stock units vested and settled on June 15, 2023 (the "2023 Vesting Date") and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. (F9) Each restricted stock unit was granted on March 15, 2023. 6.25% of the restricted stock units vested and settled on June 15, 2023 (the "2023 Vesting Date") and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date. |