Form 4 for DSP Viant Technology Inc.
Accepted 2025-12-18 00:00:00 ET · period of report 2025-12-16 · accession 0001828791-25-000101 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-12-18 | 2025-12-17 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | S - Sale+OE | $11.70 | -9,102 | 347.2K | -3% | -$106.5K |
| DI | 2025-12-18 | 2025-12-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | M - OptEx | $0.00 | +12.5K | 12.5K | New | $0 |
| DI | 2025-12-18 | 2025-12-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | D - Sale to Iss | $0.00 | -12.5K | 9.16M | -0.1% | $0 |
| DMI | 2025-12-18 | 2025-12-17+ | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | S - Sale+OE | $11.84 | -10.0K | 2,500 | -80% | -$118.4K |
| D | 2025-12-18 | 2025-12-18 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | G - Gift | $0.00 | -85.0K | 262.2K | -24% | $0 |
| DI | 2025-12-18 | 2025-12-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | M - OptEx | — | -12.5K | 9.16M | -0.1% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2025-12-17 | S | D | 9,102 | $11.70 | 347,182 | D By Capital V LLC | — | — | (F2) The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings. |
| 2 | Common | Class A Common Stock | 2025-12-16 | M | A | 12,500 | $0.00 | 12,500 | I By Capital V LLC | — | — | (F1) The Class B Units of Viant Technology LLC ("Class B Units") are exchangeable, at the holder's option, on a one-for-one basis into shares of Class A common stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B common stock will be automatically cancelled. (F2) The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings. |
| 3 | Common | Class B Common Stock | 2025-12-16 | D | D | 12,500 | $0.00 | 9,157,275 | I By Capital V LLC | — | — | (F3) Reflects the cancellation for no consideration of a number of shares of Class B common stock of the Issuer in connection with the redemption by the Reporting Person of an equal number of Class B Units for Class A common stock. (F2) The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings. |
| 4 | Common | Class A Common Stock | 2025-12-17 | S | D | 5,000 | $11.74 | 7,500 | I By Capital V LLC | — | — | (F6) The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 15,000 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.485 to $12.235. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. (F2) The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings. |
| 5 | Common | Class A Common Stock | 2025-12-18 | S | D | 5,000 | $11.93 | 2,500 | I | — | — | (F7) The price reported in Column 4 is a weighted average price, based on the Reporting Person's pro rata portion of a total of 15,000 shares of Class A Common Stock sold on behalf of Capital V LLC. These shares were sold in multiple transactions at prices ranging from $11.62 to $12.175. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| 6 | Common | Class A Common Stock | 2025-12-18 | G | D | 85,000 | $0.00 | 262,182 | D | — | — | |
| 7 | Derivative | Class B Units | 2025-12-16 | M | D | 12,500 | — | 9,157,275 | I By Capital V LLC | — · — to — | 12,500 Class A Common Stock | (F1) The Class B Units of Viant Technology LLC ("Class B Units") are exchangeable, at the holder's option, on a one-for-one basis into shares of Class A common stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B common stock will be automatically cancelled. (F2) The Reporting Person holds a one-third interest in Capital V LLC and may therefore be deemed to have an indirect pecuniary interest in one-third of Capital V LLC's total holdings. |