Christopher Vanderhook, Chief Operating Officer, 10% Owner at Viant Technology Inc. (DSP), sold 12,500 shares at $10.89 ($134K) on 2026-05-19, disclosed to the SEC on 2026-05-21.
Scheduled sale ($134k) 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $10.89 | 5,000 | $54K | 40.5% |
| 2 | $10.60 | 5,000 | $53K | 39.4% |
| 3 | $10.79 | 2,500 | $27K | 20.1% |
| Total | $10.75 avg | 12,500 | $134K | 100% |
| Filing → |
| DSP | SELL | 2026-06-15 | $101K | — | Filing → |
| DSP | SELL | 2026-04-22 | $137K | — | Filing → |
| DSP | SELL | 2026-03-19 | $305K | — | Filing → |