Vanderhook Christopher
Chief Operating Officer
Vanderhook Christopher has filed 13 SEC Form 4 filings (55 transaction rows) across 1 company, with disclosures dating back to 2025. 13 of those filings fall inside the rolling window. Most recent filing: Jul 24, 2026.
On the most recent filing, Vanderhook Christopher is listed as Chief Operating Officer at Viant Technology Inc. Inside the rolling window, Vanderhook Christopher reported no open-market purchases and 26 open-market sales totaling $1.4M in DSP. The largest disclosed transaction in the window is a sale of 14,102 DSP shares on Dec 17, 2025, worth $165K.
Companies traded
Other insiders at DSP
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.4M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| DSP | Chief Operating Officer | Sale | 3,196 | $37K | Jul 24 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $55K | Jul 24 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 4,304 | $45K | Jul 24 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $56K | Jun 18 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $55K | Jun 18 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,500 | $27K | Jun 18 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 9,125 | $101K | Jun 16 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $54K | May 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $53K | May 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,500 | $27K | May 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $56K | Apr 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 4,704 | $51K | Apr 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,796 | $30K | Apr 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $59K | Mar 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $60K | Mar 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,920 | $33K | Mar 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 4,079 | $38K | Feb 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 4,722 | $43K | Feb 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 3,279 | $30K | Feb 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $60K | Jan 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 4,926 | $60K | Jan 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,574 | $33K | Jan 22 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 2,500 | $29K | Dec 19 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 14,102 | $165K | Dec 18 | SEC ↗ | |
| DSP | Chief Operating Officer | Sale | 5,000 | $60K | Dec 18 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Vanderhook Christopher made?
Vanderhook Christopher has filed 13 SEC Form 4 filings (55 transaction rows) across 1 company since 2025.
Which companies does Vanderhook Christopher trade?
Vanderhook Christopher has filed SEC Form 4 disclosures for 1 company, including DSP.
When was Vanderhook Christopher's most recent SEC Form 4 filing?
Vanderhook Christopher's most recent SEC Form 4 filing on Tracefour is dated Jul 24, 2026.
What is Vanderhook Christopher's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Vanderhook Christopher is listed as Chief Operating Officer.
What is Vanderhook Christopher's total buy and sell value in the current window?
Inside the rolling retention window, Vanderhook Christopher bought $0 and sold $1.4M based on SEC Form 4 filings.
What was Vanderhook Christopher's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 14,102 DSP shares on 2025-12-17, worth $165K, per SEC Form 4 filings.