Zagorski Mark
CIK 1709574
Transactions on file
61
Open-market buys
1
Win rate (buys)
100%
1 scored
Avg % since filing (buys)
+16.0%
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-10-02 | 2026-09-30 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 6,880 | $92.8K | +0.4% | open → |
| 2026-10-02 | 2026-09-30 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 13,476 | $0.00 | — | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 3,983 | $53.8K | +0.4% | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 1,408 | $19.0K | +0.4% | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 2,757 | $0.00 | — | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 7,770 | $104.9K | +0.4% | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,219 | $0.00 | — | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 6,189 | $83.6K | +0.4% | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 12,122 | $0.00 | — | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 11,701 | $158.0K | +0.4% | open → |
| 2026-09-17 | 2026-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 22,919 | $0.00 | — | open → |
| 2026-07-01 | 2026-06-30 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 7,453 | $80.8K | +25.0% | open → |
| 2026-07-01 | 2026-06-30 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 13,476 | $0.00 | — | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 4,315 | $44.2K | +32.2% | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 1,525 | $15.6K | +32.2% | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 2,757 | $0.00 | — | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 8,417 | $86.3K | +32.2% | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,219 | $0.00 | — | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 6,704 | $68.7K | +32.2% | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 12,122 | $0.00 | — | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 12,675 | $129.9K | +32.2% | open → |
| 2026-06-17 | 2026-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 22,919 | $0.00 | — | open → |
| 2026-06-03 | 2026-05-31 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Other | 416 | $3.4K | +64.2% | open → |
| 2026-05-18 | 2026-05-13 | TEAD Teads Holding Co. | Director | Grant | 20,000 | $0.00 | — | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 13,782 | $0.00 | — | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 6,351 | $91.2K | -5.6% | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 3,145 | $45.2K | -5.6% | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,220 | $0.00 | — | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 5,555 | $79.8K | -5.6% | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 2,608 | $37.5K | -5.6% | open → |
| 2025-03-17 | 2025-03-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 6,471 | $0.00 | — | open → |
| 2025-06-09 | 2025-06-05 | OB Outbrain Inc. | Director | Grant | 20,000 | $0.00 | — | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 1,525 | $22.1K | -6.6% | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 2,756 | $0.00 | — | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 8,417 | $122.0K | -6.6% | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,220 | $0.00 | — | open → |
| 2025-06-17 | 2025-05-31 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Buy | 1,141 | $13.3K | +16.0% | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 3,579 | $51.9K | -6.6% | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 6,471 | $0.00 | — | open → |
| 2025-06-17 | 2025-06-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 4,315 | $62.6K | -6.6% | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 8,417 | $91.2K | +25.1% | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,219 | $0.00 | — | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 1,525 | $16.5K | +25.1% | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 2,756 | $0.00 | — | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 4,315 | $46.7K | +25.1% | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 3,579 | $38.8K | +25.1% | open → |
| 2025-12-17 | 2025-12-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 6,471 | $0.00 | — | open → |
| 2025-12-17 | 2025-11-30 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Other | 100 | $896.00 | +51.2% | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 2,756 | $0.00 | — | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 15,219 | $0.00 | — | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 8,417 | $109.5K | +4.2% | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 6,471 | $0.00 | — | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 4,315 | $56.1K | +4.2% | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Exer. | 7,802 | $0.00 | — | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 1,525 | $19.8K | +4.2% | open → |
| 2025-09-17 | 2025-09-15 | DV DoubleVerify Holdings, Inc. | OfficerDirector Chief Executive Officer | Tax | 3,579 | $46.6K | +4.2% | open → |
