Updated Jul 16, 2026
Zagorski Mark has filed 4 SEC Form 4 filings across 2 companies in the last 90 days — buying. Lifetime open-market purchases: $11K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 7.5K | $10.84 | $81K |
| 2026-07-01 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 13.5K | $0.00 | |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 4.3K | $10.25 | $44K |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 7.8K | $0.00 | |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 1.5K | $10.25 | $16K |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 2.8K | $0.00 | |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 8.4K | $10.25 | $86K |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 15.2K | $0.00 | |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 6.7K | $10.25 | $69K |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 12.1K | $0.00 | |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 12.7K | $10.25 | $130K |
| 2026-06-17 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 22.9K | $0.00 | |
| 2026-06-03 | DV | DoubleVerify Holdings, Inc. | J — Other acquisition / disposition | 416 | $8.25 | $3K |
| 2026-05-18 | TEAD | Teads Holding Co. | A — Grant or award | 20.0K | $0.00 | |
| 2026-04-03 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 7.5K | $9.50 | $71K |
| 2026-04-03 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 13.5K | $0.00 | |
| 2026-03-16 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 3.1K | $10.21 | $32K |
| 2026-03-16 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 7.8K | $0.00 | |
| 2026-03-16 | DV | DoubleVerify Holdings, Inc. | F — Tax withholding / forfeiture | 1.1K | $10.21 | $11K |
| 2026-03-16 | DV | DoubleVerify Holdings, Inc. | M — Option exercise | 2.8K | $0.00 |
Zagorski Mark is a corporate insider — currently tracked as Chief Executive Officer, Director of DoubleVerify Holdings, Inc. (DV). InsiderAlpha tracks every SEC Form 4 filing in real time.
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 1 open-market purchases ($11K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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