Zagorski Mark
Related Filers (3)
Ownership (36)
4
Wednesday, 1/3/2024
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 12/21/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/3/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 9/21/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/19/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/20/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/17/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/4/2023
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 12/19/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/14/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/4/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 9/19/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/5/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 6/17/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/31/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2022
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/14/2021
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/22/2021
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/10/2021
DoubleVerify Holdings, Inc.: Statement of changes in beneficial ownership of securities
3
Tuesday, 4/20/2021
DoubleVerify Holdings, Inc.: Initial statement of beneficial ownership of securities
3
Friday, 4/3/2020
RUBICON PROJECT, INC.: Initial statement of beneficial ownership of securities
4
Friday, 4/3/2020
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/3/2020
RUBICON PROJECT, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/19/2020
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 7/12/2019
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/4/2019
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/26/2019
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 7/12/2018
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2018
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 11/20/2017
Telaria, Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/15/2017
TREMOR VIDEO INC.: Statement of changes in beneficial ownership of securities
3
Wednesday, 7/12/2017
TREMOR VIDEO INC.: Initial statement of beneficial ownership of securities
4
Wednesday, 7/12/2017
TREMOR VIDEO INC.: Statement of changes in beneficial ownership of securities