Insiders who reported open-market trades in the last 12 months at the companies Christopher Vanderhook files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Larry Madden - $3.32M in DSP purchases and sales in the last 12 months
Capital V LLC - $2.89M in DSP purchases and sales in the last 12 months
Timothy Vanderhook - $1.07M in DSP purchases and sales in the last 12 months
Max O. Valdes - $80K in DSP purchases and sales in the last 12 months
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Christopher Vanderhook is a corporate insider, tracked as Chief Operating Officer, Director, 10% Owner of Viant Technology Inc. (DSP). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Christopher Vanderhook submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Christopher Vanderhook been buying or selling stock?
Recorded transactions: 0 open-market purchases and 23 open-market sales ($1.15M) across all tracked filings.
Christopher Vanderhook is Chief Operating Officer, Director, 10% Owner of Viant Technology Inc. (DSP). 14 SEC Form 4 filings on record going back to 2024, most recently on 14 September 2026. Most recent open-market trade: sold $45K of DSP on 24 July 2026. Lifetime open-market sales: $1.15M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Christopher Vanderhook.
InsiderAlpha's records for Christopher Vanderhook go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. 42 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
