Form 4: Viant CEO Sells Shares Under 10b5-1 Plan

Viant Technology Inc. CEO and Chairman Timothy Vanderhook reported the sale of 12,920 Class A common shares through Capital V LLC under a pre-arranged 10b5-1 plan.

Summary

• Timothy Vanderhook, CEO and Chairman of Viant Technology Inc., reported transactions through Capital V LLC, in which he holds a one-third interest.
• On March 17, 2026, 12,500 Class B Units of Viant Technology LLC were exchanged on a one-for-one basis for 12,500 shares of Class A Common Stock of the Issuer.
• Concurrently with the exchange, 12,500 shares of Class B Common Stock were cancelled for no consideration.
• Capital V LLC sold a total of 12,920 Class A Common Stock shares over three days: 5,000 shares on March 17, 2026, at a weighted average price of $11.7959; 5,000 shares on March 18, 2026, at $11.9986; and 2,920 shares on March 19, 2026, at $11.4229.
• All sales were executed pursuant to a Rule 10b5-1 plan adopted by Capital V LLC on March 18, 2025, and subsequently amended on September 17, 2025.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. While insider sales can sometimes be perceived negatively, these transactions were executed under a pre-arranged 10b5-1 plan, which mitigates concerns about opportunistic selling based on non-public information.

Negatives

• Timothy Vanderhook, through Capital V LLC, sold 12,920 shares of Class A Common Stock, representing a reduction in his indirect beneficial ownership of Class A shares.

Future Outlook

N/A

Industry Context

StockSavvy.ai notes that insider sales, particularly those executed under a Rule 10b5-1 plan, are common for executives managing personal liquidity or portfolio diversification and do not necessarily reflect a change in the company's fundamental outlook. However, the sale of a significant number of shares by a CEO and Chairman can sometimes be viewed with caution by investors, depending on the context of the company's recent performance and future prospects.

Related Party Transactions

• The transactions were conducted through Capital V LLC, in which the reporting person, Timothy Vanderhook, holds a one-third interest, making it a related party transaction.

Stakeholder Impact

• Shareholders may observe a slight increase in the public float of Class A shares due to the conversion and sale, though the overall impact on market liquidity is likely minimal given the volume.
• The sale by a key executive, even under a 10b5-1 plan, could be interpreted by some investors as a signal, potentially influencing short-term sentiment.

Key Dates

Recommendation

The insider sales by CEO Timothy Vanderhook were executed under a pre-arranged 10b5-1 plan, which suggests a planned liquidity event rather than a reaction to new material information. While a reduction in insider holdings can sometimes be a yellow flag, the planned nature of these sales reduces immediate concern. Without additional company-specific news or financial updates, these transactions alone do not warrant a change from a 'hold' position, as they are largely expected and pre-scheduled.

Keywords

Viant Technology Inc., DSP, Timothy Vanderhook, Insider Trading, Form 4, Stock Sale, 10b5-1 Plan, Class A Common Stock, Class B Units, Capital V LLC