Steven J. Mougis - 12 Mar 2026 Form 4 Insider Report for DoubleVerify Holdings, Inc. (DV)

Role
Global Chief Comm. Officer
Signature
/s/ Andrew E. Grimmig, as Attorney-in-Fact for Steven J. Mougis
Issuer symbol
DV
Transactions as of
12 Mar 2026
Net transactions value
$0
Form type
4
Filing time
16 Mar 2026, 16:13:26 UTC
Previous filing
12 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mougis Steven John Global Chief Comm. Officer C/O DOUBLEVERIFY HOLDINGS, INC., 462 BROADWAY, NEW YORK /s/ Andrew E. Grimmig, as Attorney-in-Fact for Steven J. Mougis 16 Mar 2026 0002104368

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DV Common Stock Options Exercise +9,376 +26% $0.000000* 45,438 15 Mar 2026 Direct F1
transaction DV Common Stock Tax liability -3,381 -7.4% $10.21* 42,057 15 Mar 2026 Direct F2
transaction DV Common Stock Options Exercise +4,210 +10% $0.000000* 46,267 15 Mar 2026 Direct F3
transaction DV Common Stock Tax liability -1,519 -3.3% $10.21* 44,748 15 Mar 2026 Direct F4
transaction DV Common Stock Options Exercise +3,171 +7.1% $0.000000* 47,919 15 Mar 2026 Direct F5
transaction DV Common Stock Tax liability -1,144 -2.4% $10.21* 46,775 15 Mar 2026 Direct F2
transaction DV Common Stock Options Exercise +27,056 +58% $0.000000* 73,831 15 Mar 2026 Direct F6
transaction DV Common Stock Tax liability -9,754 -13% $10.21* 64,077 15 Mar 2026 Direct F2
transaction DV Common Stock Options Exercise +2,125 +3.3% $0.000000* 66,202 15 Mar 2026 Direct F7
transaction DV Common Stock Tax liability -767 -1.2% $10.21* 65,435 15 Mar 2026 Direct F2
transaction DV Common Stock Options Exercise +250 +0.38% $0.000000* 65,685 15 Mar 2026 Direct F8
transaction DV Common Stock Tax liability -91 -0.14% $10.21* 65,594 15 Mar 2026 Direct F4
transaction DV Common Stock Options Exercise +1,143 +1.7% $0.000000* 66,737 15 Mar 2026 Direct F9
transaction DV Common Stock Tax liability -413 -0.62% $10.21* 66,324 15 Mar 2026 Direct F2
transaction DV Common Stock Options Exercise +418 +0.63% $0.000000* 66,742 15 Mar 2026 Direct F10
transaction DV Common Stock Tax liability -151 -0.23% $10.21* 66,591 15 Mar 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DV Restricted Stock Units Award +112,500 $0.000000* 112,500 12 Mar 2026 Common Stock 112,500 Direct F11, F12
transaction DV Restricted Stock Units Options Exercise -9,376 -8.3% $0.000000* 103,124 15 Mar 2026 Common Stock 9,376 Direct F1, F11
transaction DV Performance Stock Units Options Exercise -4,210 -42% $0.000000* 5,891 15 Mar 2026 Common Stock 4,210 Direct F3, F13
transaction DV Restricted Stock Units Options Exercise -3,171 -7.7% $0.000000* 38,047 15 Mar 2026 Common Stock 3,171 Direct F5, F11
transaction DV Restricted Stock Units Options Exercise -27,056 -20% $0.000000* 108,224 15 Mar 2026 Common Stock 27,056 Direct F6, F11
transaction DV Restricted Stock Units Options Exercise -2,125 -11% $0.000000* 16,998 15 Mar 2026 Common Stock 2,125 Direct F7, F11
transaction DV Performance Stock Units Options Exercise -250 -25% $0.000000* 752 15 Mar 2026 Common Stock 250 Direct F8, F13
transaction DV Restricted Stock Units Options Exercise -1,143 -20% $0.000000* 4,572 15 Mar 2026 Common Stock 1,143 Direct F9, F11
transaction DV Restricted Stock Units Options Exercise -418 -100% $0.000000* 0 15 Mar 2026 Common Stock 418 Direct F10, F11
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit was granted on March 12, 2026. 8.33% of the restricted stock units vested and were settled on March 15, 2026 (the "2026 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date.
F2 Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.
F3 Each performance stock unit was granted on March 31, 2025. 41.67% of the earned shares vested and were settled on the 2026 Vesting Date, and the remainder of the earned shares vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date.
F4 Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of performance stock units.
F5 Each restricted stock unit was granted on March 31, 2025. 6.25% of the restricted stock units vested and settled on June 15, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.
F6 Each restricted stock unit was granted on March 13, 2025. The restricted stock units vested 12.5% on the 2025 Vesting Date, and the remainder of the restricted stock units vest at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date.
F7 Each restricted stock unit was granted on March 15, 2024. 6.25% of the restricted stock units vested and settled on June 15, 2024 (the "2024 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.
F8 Each performance stock unit was granted on March 15, 2024. 41.67% of the earned shares vested and were settled on March 15, 2025 (the "2025 PSU Vesting Date"), and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 PSU Vesting Date.
F9 Each restricted stock unit was granted on March 15, 2023. 6.25% of the restricted stock units vested and settled on June 15, 2023 (the "2023 Vesting Date") and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.
F10 Each restricted stock unit was granted on February 15, 2022. 6.25% of the restricted stock units vested and settled on June 15, 2022 (the "2022 Vesting Date"), and the remainder of the restricted stock units vest and settle at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.
F11 Restricted stock units convert into common stock on a one-for-one basis.
F12 The restricted stock units were granted on March 12, 2026. 8.33% of the restricted stock units vest and settle on March 15, 2026, and the remainder of the restricted stock units vest and settle at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date.
F13 Performance stock units convert into common stock on a one-for-one basis.