AlphaYouCV
Insider selling
Christopher Vanderhook sold $138K of Viant Technology Inc. (DSP) stock
Christopher Vanderhook, Chief Operating Officer, 10% of Viant Technology Inc. (DSP), sold 12,500 shares of DSP stock worth $138K, per an SEC Form 4 filed Jul 24, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Jul 21, 2026, 3 days before it was made public.
DSP has moved +7.7% since the trade date, from $11.76 to $12.66 (Sep 21, 2026 close).
- Traded
- Jul 21, 2026
- Disclosed
- Jul 24, 2026
- Filing delay
- 3 days
- Price since
- +7.7%
- Role
- Chief Operating Officer, 10%
- Source
- SEC Form 4
More DSP insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.