| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MADDEN LARRY | Chief Financial Officer | C/O VIANT TECHNOLOGY INC., 2722 MICHELSON DRIVE, SUITE 100, IRVINE | /s/ Larry Madden | 13 Jun 2025 | 0001284309 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DSP | Class A Common Stock | Sale | $173,477 | -13,265 | -3% | $13.08 | 436,261 | 13 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares were sold in a transaction instituted by the Issuer on the Reporting Person's behalf to cover withholding tax associated with the vesting and settlement of restricted stock units. |