Christopher Vanderhook, Chief Operating Officer, 10% Owner at Viant Technology Inc. (DSP), sold 2,500 shares at $11.79 ($29K) on 2025-12-19, disclosed to the SEC on 2025-12-19.
Scheduled sale ($29k) by Chief Operating Officer, 10% Owner under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| Filing → |
| DSP | SELL | 2026-06-15 | $101K | — | Filing → |
| DSP | SELL | 2026-05-21 | $134K | — | Filing → |
| DSP | SELL | 2026-04-22 | $137K | — | Filing → |