Insider · CIK 0001709574

Zagorski Mark

Reports to the SEC for 4 companies · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001709574

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-30	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+13.5K sh	—	—	623,608
2026-09-30	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,880 sh	$13.49	−$92.8K	616,728
2026-09-30	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−13.5K sh	—	—	107,804
2026-09-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+22.9K sh	—	—	603,283
2026-09-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−11.7K sh	$13.50	−$158K	591,582
2026-09-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+12.1K sh	—	—	603,704
2026-09-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,189 sh	$13.50	−$83.6K	597,515
2026-09-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+15.2K sh	—	—	612,734
2026-09-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−7,770 sh	$13.50	−$105K	604,964
2026-09-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+2,757 sh	—	—	607,721
2026-09-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−1,408 sh	$13.50	−$19K	606,313
2026-09-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,802 sh	—	—	614,115
2026-09-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−3,983 sh	$13.50	−$53.8K	610,132
2026-09-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−22.9K sh	—	—	206,243
2026-09-15	DVDoubleVerify Holdings, Inc. · Performance Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−12.1K sh	—	—	60,605
2026-09-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−15.2K sh	—	—	136,971
2026-09-15	DVDoubleVerify Holdings, Inc. · Performance Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,757 sh	—	—	2,757
2026-09-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,802 sh	—	—	39,005
2026-09-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−9,375 sh	—	—	9,375
2026-06-30	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+13.5K sh	—	—	587,817
2026-06-30	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−7,453 sh	$10.84	−$80.8K	580,364
2026-06-30	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−13.5K sh	—	—	121,280
2026-06-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+22.9K sh	—	—	570,077
2026-06-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.7K sh	$10.25	−$130K	557,402
2026-06-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+12.1K sh	—	—	569,524
2026-06-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,704 sh	$10.25	−$68.7K	562,820
2026-06-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+15.2K sh	—	—	578,039
2026-06-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−8,417 sh	$10.25	−$86.3K	569,622
2026-06-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+2,757 sh	—	—	572,379
2026-06-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−1,525 sh	$10.25	−$15.6K	570,854
2026-06-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,802 sh	—	—	578,656
2026-06-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−4,315 sh	$10.25	−$44.2K	574,341
2026-06-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−22.9K sh	—	—	229,162
2026-06-15	DVDoubleVerify Holdings, Inc. · Performance Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−12.1K sh	—	—	72,727
2026-06-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−15.2K sh	—	—	152,190
2026-06-15	DVDoubleVerify Holdings, Inc. · Performance Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,757 sh	—	—	5,514
2026-06-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,802 sh	—	—	46,807
2026-06-15	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−9,375 sh	—	—	18,750
2026-05-31	DVDoubleVerify Holdings, Inc.J Other	Director, Chief Executive Officer	JOther	+416 sh	$8.25	+$3,432	547,158
2026-05-13	TEADTeads Holding Co.A Award	Director	AAward	+20K sh	—	—	72,500
2026-03-31	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+13.5K sh	—	—	554,195
2026-03-31	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−7,453 sh	$9.50	−$70.8K	546,742
2026-03-31	DVDoubleVerify Holdings, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−13.5K sh	—	—	134,756
2026-03-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+22.9K sh	—	—	511,505
2026-03-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−12.7K sh	$10.21	−$129K	498,830
2026-03-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+60.6K sh	—	—	559,439
2026-03-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−33.5K sh	$10.21	−$342K	525,922
2026-03-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+15.2K sh	—	—	541,141
2026-03-15	DVDoubleVerify Holdings, Inc.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,724 sh	$10.21	−$68.7K	534,417
2026-03-15	DVDoubleVerify Holdings, Inc.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+2,757 sh	—	—	537,174

Recent filings

Accepted (ET)
Oct 24
Zagorski Mark0001819928-26-000099
SEC(opens sec.gov)
Sep 174
Zagorski Mark0001819928-26-000096
SEC(opens sec.gov)
Jul 14
Zagorski Mark0001819928-26-000089
SEC(opens sec.gov)

Companies

Address

C/O DOUBLEVERIFY HOLDINGS, INC. 462 BROADWAY

NEW YORK, NY, 10013