Mougis Steven John's Form 4 filing
DoubleVerify Holdings, Inc. (DV) · filed Sep 17, 2026
- Accession no.
- 0001819928-26-000097
- Filed
- Sep 17, 2026, 4:09 PM ET
- Trade date
- Sep 15, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 14 non-derivative transactions and 7 derivative transactions. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Mougis Steven JohnCIK 0002104368 | Officer (Global Chief Comm. Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +9,376 | $0.00F1 | $0 | 104,536 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −4,787 | $13.50 | −$64,624.5 | 99,749 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +841 | $0.00F3 | $0 | 100,590 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −430 | $13.50 | −$5,805 | 100,160 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +3,171 | $0.00F5 | $0 | 103,331 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −1,619 | $13.50 | −$21,856.5 | 101,712 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +27,056 | $0.00F6 | $0 | 128,768 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −13,813 | $13.50 | −$186,475.5 | 114,955 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +251 | $0.00F7 | $0 | 115,206 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −129 | $13.50 | −$1,741.5 | 115,077 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +2,125 | $0.00F8 | $0 | 117,202 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −1,085 | $13.50 | −$14,647.5 | 116,117 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseAcquired | +1,143 | $0.00F9 | $0 | 117,260 | Direct | |
| Sep 15, 2026 | Common Stock | FTax withholdingDisposed | −584 | $13.50 | −$7,884 | 116,676 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −9,376 | $0.00 | $0 | 84,372 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −841 | $0.00 | $0 | 4,208 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −3,171 | $0.00 | $0 | 31,705 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −27,056 | $0.00 | $0 | 54,112 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −251 | $0.00 | $0 | 251 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −2,125 | $0.00 | $0 | 12,748 | Direct | |
| Sep 15, 2026 | Common Stock | MOption exerciseDisposed | −1,143 | $0.00 | $0 | 2,286 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- 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.
Referenced by the price of 1 transaction in Table I.
- 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.
Referenced by the price of 1 transaction in Table I.
- 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.
Referenced by the price of 1 transaction in Table I.
- F6
Each restricted stock unit was granted on March 13, 2025. 12.5% of the restricted stock units vested and were settled on the 2025 Vesting Date, and the remainder of the restricted stock units vest and settle at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date.
Referenced by the price of 1 transaction in Table I.
- F7
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 and settle at a rate of 8.33% on each quarterly anniversary of the 2025 PSU Vesting Date.
Referenced by the price of 1 transaction in Table I.
- F8
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.
Referenced by the price of 1 transaction in Table I.
- 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.
Referenced by the price of 1 transaction in Table I.