Vanderhook Timothy - Insider Non-Derivative Transactions at Viant Technology Inc. (DSP) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 19, 2025, Vanderhook Timothy's relationship to Viant Technology Inc. (DSP) is Director,Officer,TenPercentOwner (CEO and Chairman), and currently has 0 shares of Class A Common Stock, and 9,157,275 shares of Class B Common Stock.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other DSP insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Vanderhook Timothy - Insider Non-Derivative Transactions of DSP Class A Common Stock
Vanderhook Timothy - Insider Non-Derivative Transactions of DSP Class B Common Stock
Vanderhook Timothy - Insider Non-Derivative Transactions at DSP
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 20, 2025 | Sell -- (Class A Common Stock) | 2500 | 11.79 | 0 |
| Dec 19, 2025 | Sell -- (Class A Common Stock) | 5000 | 11.93 | 2500 |
| Dec 19, 2025 | G -- (Class A Common Stock) | 85000 | 0 | 262182 |
| Dec 18, 2025 | Sell -- (Class A Common Stock) | 5000 | 11.74 | 7500 |
| Dec 18, 2025 | Sell -- (Class A Common Stock) | 9102 | 11.7 | 347182 |
| Dec 17, 2025 | M -- (Class A Common Stock) | 12500 | 0 | 12500 |
| Dec 17, 2025 | Disposition -- (Class B Common Stock) | 12500 | 0 | 9157275 |
| Sep 18, 2025 | Disposition -- (Class A Common Stock) | 313926 | 9.56 | 0 |
| Sep 17, 2025 | M -- (Class A Common Stock) | 313926 | 0 | 313926 |
| Sep 17, 2025 | Disposition -- (Class B Common Stock) | 313926 | 0 | 9169775 |
| Sep 16, 2025 | Sell -- (Class A Common Stock) | 8782 | 9.73 | 356284 |
| Jun 14, 2025 | Sell -- (Class A Common Stock) | 8960 | 13.08 | 365076 |
| Mar 11, 2025 | Disposition -- (Class A Common Stock) | 92204 | 13.32 | 374036 |
| Dec 20, 2024 | Disposition -- (Class A Common Stock) | 156412 | 19.18 | 466240 |
| Dec 20, 2024 | F -- (Class A Common Stock) | 47115 | 19.18 | 622652 |
| Dec 20, 2024 | M -- (Class A Common Stock) | 203527 | 4.44 | 669767 |
| Dec 19, 2024 | G -- (Class A Common Stock) | 31556 | 0 | 466240 |
| Dec 11, 2024 | Disposition -- (Class A Common Stock) | 8636 | 21.37 | 497796 |
| Sep 11, 2024 | Disposition -- (Class A Common Stock) | 8636 | 10.07 | 506432 |
| Jun 11, 2024 | Disposition -- (Class A Common Stock) | 8529 | 9.23 | 515068 |
| Mar 16, 2024 | Acquisition -- (Class A Common Stock) | 194384 | 0 | 523597 |
| Mar 11, 2024 | Disposition -- (Class A Common Stock) | 82534 | 10.13 | 329213 |
| Mar 11, 2023 | Disposition -- (Class A Common Stock) | 35100 | 4.13 | 411747 |
| Mar 8, 2023 | Acquisition -- (Class A Common Stock) | 180180 | 0 | 446847 |
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