Christopher Vanderhook holds the role of Chief Operating Officer at Viant Technology Inc. (DSP). Vanderhook has reported 13 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Christopher Vanderhook has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Viant Technology Inc. (DSP)2 filingsLatest filing:
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.
Every recent SEC Form 4 transaction Christopher Vanderhook has reported, most recent first.
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.
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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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.
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases and 23 open-market sales ($1.15M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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