Mark Zagorski
Chief Executive Officer at DoubleVerify Holdings Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: DoubleVerify Holdings Inc., 3 years.
DoubleVerify Holdings Inc.
Director · Chief Executive Officer
Teads Holding Co.
Director
Chief executive roles
DoubleVerify Holdings Inc.
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 30, 2026 | DoubleVerify Holdings Inc. | Option exercise | +13,476 | — | — |
| Jun 30, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −7,453 | $10.84 | $80,791 |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Option exercise | +22,919 | — | — |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −12,675 | $10.25 | $129,919 |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Option exercise | +12,122 | — | — |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −6,704 | $10.25 | $68,716 |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Option exercise | +15,219 | — | — |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −8,417 | $10.25 | $86,274 |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Option exercise | +2,757 | — | — |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −1,525 | $10.25 | $15,631 |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Option exercise | +7,802 | — | — |
| Jun 15, 2026 | DoubleVerify Holdings Inc. | Shares withheld for tax | −4,315 | $10.25 | $44,229 |
| May 31, 2026 | DoubleVerify Holdings Inc. | Other | +416 | $8.25 | $3,432 |
| May 13, 2026 | Teads Holding Co. | Grant or award | +20,000 | — | — |
| Mar 31, 2026 | DoubleVerify Holdings Inc. | Option exercise | +13,476 | — | — |
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