Form 4: Viant Technology COO Sells Shares
Insider Transaction (Form 4)
Christopher Vanderhook, Chief Operating Officer, a Director and 10% owner of Viant Technology Inc., sold 12,500 shares of common stock on July 21, 2026.
Summary
- Option exercise/conversion: acquired 12,500 Class A Common Stock on July 21, 2026; holds 12,500 after (Indirect).
- Disposition to the issuer: disposed of 12,500 Class B Common Stock on July 21, 2026; holds 9,069,775 after (Indirect).
- Open-market sale: disposed of 3,196 Class A Common Stock at $11.70 ($37,407) on July 21, 2026; holds 9,304 after (Indirect).
- Open-market sale: disposed of 5,000 Class A Common Stock at $11.03 ($55,173) on July 22, 2026; holds 4,304 after (Indirect).
- Open-market sale: disposed of 4,304 Class A Common Stock at $10.47 ($45,065) on July 23, 2026 (Indirect).
- Grant/award: disposed of 12,500 Class B Units on July 21, 2026; holds 9,069,775 after (Indirect).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $137,644 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Christopher Vanderhook — Director, Officer (Chief Operating Officer), 10% owner
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-21 | Option exercise/conversion | Class A Common Stock | 12,500 | — | — | 12,500 |
| 2026-07-21 | Disposition to the issuer | Class B Common Stock | 12,500 | — | — | 9,069,775 |
| 2026-07-21 | Open-market sale | Class A Common Stock | 3,196 | $12 | $37.4K | 9,304 |
| 2026-07-22 | Open-market sale | Class A Common Stock | 5,000 | $11 | $55.2K | 4,304 |
| 2026-07-23 | Open-market sale | Class A Common Stock | 4,304 | $10 | $45.1K | 0 |
| 2026-07-21 | Grant/award | Class B Units | 12,500 | — | — | 9,069,775 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-21 | Option exercise/conversion (12,500 shares) |
| 2026-07-21 | Disposition to the issuer (12,500 shares) |
| 2026-07-21 | Open-market sale (3,196 shares) |
| 2026-07-22 | Open-market sale (5,000 shares) |
| 2026-07-23 | Open-market sale (4,304 shares) |
| 2026-07-21 | Grant/award (12,500 shares) |
Keywords
insider transaction, Form 4, DSP, Viant Technology Inc., bearish, Christopher Vanderhook
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