Welcome to our dedicated page for Viant Technology SEC filings (Ticker: DSP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Viant Technology Inc. filings document a Nasdaq-listed advertising technology company that operates an AI-powered, buy-side demand-side platform for programmatic advertising. Form 8-K reports furnish quarterly and annual operating results, including revenue-related disclosures, advertiser activity, CTV performance commentary and other financial measures tied to the platform.
Proxy materials describe annual meeting matters, director elections, auditor ratification, governance practices and shareholder voting procedures. The filing record also covers material-event disclosures, material agreements, capital-structure matters, governance topics, and formal exhibits that frame Viant’s public-company reporting obligations.
DSP: Reported Rule 144 resale notifications and recent small open-market sales by an affiliate. The filing lists multiple Restricted Stock Units acquired as compensation on various dates and shows two sales by Lawrence Madden: 4,244 shares on 01/22/2026 and 1,658 shares on 03/13/2026. The listed RSU awards include several grant dates and per-grant share counts.
The Vanguard Group filed Amendment No. 2 to a Schedule 13G/A reporting 0 shares of Common Stock of Viant Technology Inc. The amendment explains an internal realignment effective 01/12/2026 that disaggregated certain subsidiaries' holdings, and states The Vanguard Group no longer is deemed to beneficially own those securities. The filing is signed by Ashley Grim on 03/27/2026.
Viant Technology Inc. insider activity shows transactions by Capital V LLC, an entity associated with Chief Operating Officer Christopher Vanderhook. Capital V LLC redeemed 12,500 Class B Units of Viant Technology LLC for 12,500 shares of Class A common stock, with the corresponding Class B common shares cancelled for no consideration in connection with this redemption.
Capital V LLC then sold an aggregate of 12,920 shares of Class A common stock in open-market transactions at weighted average prices of $11.7959, $11.9986, and $11.4229, executed over several trades in price ranges from $11.10 to $12.46. These sales were made pursuant to a Rule 10b5-1 trading plan adopted by Capital V LLC on March 18, 2025 and amended on September 17, 2025.
Following these transactions, Capital V LLC continued to hold 9,119,775 Class B Units, and Vanderhook is deemed to have an indirect pecuniary interest in one-third of Capital V LLC’s total holdings.
Capital V LLC, a 10% owner of Viant Technology Inc. (DSP), reported a mix of option exercises and share sales. On March 17, 2026, it exercised 37,500 Class B Units of Viant Technology LLC, converting them into 37,500 shares of Class A common stock, while a corresponding 37,500 shares of Class B common stock were cancelled.
Across March 17–19, 2026, Capital V LLC then sold a total of 38,760 shares of Class A common stock in open‑market transactions at weighted average prices around the $11–$12 range, pursuant to a pre‑existing Rule 10b5‑1 trading plan. Following these trades, it reported no directly held Class A shares and 27,359,326 Class B Units outstanding.
Viant Technology Inc. director, CEO and 10% owner Timothy Vanderhook reported indirect transactions through Capital V LLC, in which he holds a one-third interest. On March 17, 2026, Capital V LLC redeemed 12,500 Class B Units of Viant Technology LLC for an equal number of Class A common shares, and an equal number of Class B common shares were cancelled for no consideration. The same day, Capital V LLC sold 5,000 Class A shares in open-market transactions. Additional open-market sales of 5,000 and 2,920 Class A shares occurred on March 18 and March 19, 2026, respectively, leaving no Class A shares held indirectly after the final sale. The sales were executed under a Rule 10b5-1 trading plan adopted by Capital V LLC on March 18, 2025 and amended on September 17, 2025, at weighted average prices within disclosed ranges from $11.10 to $12.46 per share.
DSP files a Form 144/A reporting resales of Class A common stock by multiple holders, including transactions by Tim Vanderhook and affiliated entities. The filing lists specific sales across 12/18/2025–02/19/2026, with per‑transaction share counts and gross proceeds.
The excerpt shows examples including Tim Vanderhook: 53,434 shares (sale date 12/18/2025) and T&L Vanderhook Trust: 31,566 shares (sale date 12/18/2025). It also notes an acquisition of Class B shares that will be converted to Class A in connection with any sales (03/17/2026).
DSP Rule 144 notice states 113,760 shares of Class A Common Stock are proposed for sale as of 03/17/2026. The filing lists prior sales in the three months ending 12/18/2025, including a 53,434-share sale by Tim Vanderhook and a 31,566-share sale by T&L VANDERHOOK Trust.
The filing indicates the Class B shares were acquired in a private transaction and will convert to Class A shares in connection with any sales; timing and cash‑flow treatment are not stated in the excerpt.
Viant Technology Inc. Chief Financial Officer Larry Madden received a grant of 249,258 restricted stock units of Class A common stock, each representing one share, with no purchase price. These RSUs vest in equal quarterly installments of 8.33% over three years, subject to continued service.
Madden also sold 1,658 shares of Class A common stock at a weighted average price of $13.0322 per share in open-market transactions pursuant to a Rule 10b5-1 trading plan adopted on June 2, 2025. Following these transactions, he directly owns 617,865 shares of Class A common stock.
Viant Technology Inc. Chief Financial Officer Larry Madden reported a routine tax-related share withholding tied to vesting of restricted stock units. On March 10, 2026, 35,289 shares of Class A Common Stock at $10.50 per share were withheld by the company to cover tax obligations, connected to the vesting of 65,408 restricted stock units. After this non-market transaction, Madden directly owned 370,265 shares of Class A Common Stock.
Viant Technology Inc. CEO and Chairman Timothy Vanderhook returned 44,177 shares of Class A Common Stock to the company at $10.50 per share. According to the disclosure, these shares were repurchased by the issuer to cover estimated taxes tied to the vesting of 82,866 restricted stock units on March 10, 2026. After this tax-related disposition to the issuer, Vanderhook directly holds 218,005 Class A shares and indirectly holds 420 additional shares through Capital V LLC.