DSP · Viant Technology Inc. Class A Common Stock
View on chartInsiders & Stakes
| Larry Madden Chief Financial Officer | ▼ Sell | Open Market | 342,711 Shares held | 9/18/2026 | View profile |
| Christopher Vanderhook Chief Operating Officer | ▼ Sell | Other | 285,244 Shares held | 9/10/2026 | View profile |
| Timothy Vanderhook CEO and Chairman | ▼ Sell | Other | 200,244 Shares held | 9/10/2026 | View profile |
| Vivian Yang Director | ▲ Buy | Grant | 109,861 Shares held | 6/4/2026 | View profile |
| Williams Elizabeth Goodman Director | ▼ Sell | Other | 87,137 Shares held | 6/2/2024 | View profile |
| Brett Wilson Director | ▲ Buy | Grant | 51,867 Shares held | 6/4/2026 | View profile |
| Craig Justin Abrahams President and CFO | ▲ Buy | Grant | 39,109 Shares held | 8/10/2026 | View profile |
| Max O. Valdes Director | ▼ Sell | Open Market | 29,449 Shares held | 6/9/2026 | View profile |
| Capital V LLC 10% Owner | ▼ Sell | Open Market | 0 Shares held | 7/23/2026 | View profile |
Transaction History
| Larry Madden | ▼ Sell | Open Market | 14,602 | $177K | 9/18/2026 |
| Larry Madden | ▼ Sell | Open Market | 17,042 | $213K | 9/16/2026 |
| Larry Madden | ▼ Sell | Tax Withholding | 24,016 | $306K | 9/10/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 8,636 | $110K | 9/10/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 8,636 | $110K | 9/10/2026 |
| Larry Madden | ▼ Sell | Open Market | 26,020 | $339K | 8/11/2026 |
| Larry Madden | ▼ Sell | Open Market | 1,431 | $20K | 8/11/2026 |
| Craig Justin Abrahams | ▲ Buy | Grant | 28,389 | $0 | 8/10/2026 |
| Craig Justin Abrahams | ▲ Buy | Grant | 10,720 | $0 | 8/10/2026 |
| Larry Madden | ▼ Sell | Open Market | 2,814 | $30K | 7/23/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 4,304 | $45K | 7/23/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 4,304 | $45K | 7/23/2026 |
| Capital V LLC | ▼ Sell | Open Market | 12,912 | $135K | 7/23/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $55K | 7/22/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $55K | 7/22/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $166K | 7/22/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 7/21/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 7/21/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 3,196 | $37K | 7/21/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 7/21/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 7/21/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 3,196 | $37K | 7/21/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 7/21/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 7/21/2026 |
| Capital V LLC | ▼ Sell | Open Market | 9,588 | $112K | 7/21/2026 |
| Larry Madden | ▼ Sell | Open Market | 11,273 | $143K | 7/8/2026 |
| Larry Madden | ▼ Sell | Open Market | 9,149 | $118K | 7/7/2026 |
| Larry Madden | ▼ Sell | Open Market | 10,097 | $129K | 7/6/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,500 | $27K | 6/18/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,500 | $27K | 6/18/2026 |
| Capital V LLC | ▼ Sell | Open Market | 7,500 | $82K | 6/18/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $55K | 6/17/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $55K | 6/17/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $166K | 6/17/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 6/16/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $56K | 6/16/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 6/16/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 6/16/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $56K | 6/16/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 6/16/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 6/16/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $168K | 6/16/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 6/16/2026 |
| Larry Madden | ▼ Sell | Open Market | 25,376 | $282K | 6/15/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 9,125 | $101K | 6/15/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 9,125 | $101K | 6/15/2026 |
| Timothy Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Timothy Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Max O. Valdes | ▼ Sell | Open Market | 3,386 | $41K | 6/9/2026 |
| Christopher Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▼ Sell | Gift | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Christopher Vanderhook | ▲ Buy | Grant | 52,096 | $0 | 6/9/2026 |
| Max O. Valdes | ▼ Sell | Open Market | 3,300 | $40K | 6/8/2026 |
| Larry Madden | ▼ Sell | Open Market | 14,670 | $177K | 6/8/2026 |
| Larry Madden | ▼ Sell | Open Market | 18,663 | $228K | 6/5/2026 |
| Vivian Yang | ▲ Buy | Grant | 15,948 | $0 | 6/4/2026 |
| Brett Wilson | ▲ Buy | Grant | 15,948 | $0 | 6/4/2026 |
| Max O. Valdes | ▲ Buy | Grant | 15,948 | $0 | 6/4/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,500 | $27K | 5/21/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,500 | $27K | 5/21/2026 |
| Capital V LLC | ▼ Sell | Open Market | 7,500 | $81K | 5/21/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $53K | 5/20/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $159K | 5/20/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $53K | 5/20/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 5/19/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 5/19/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $54K | 5/19/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 5/19/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 5/19/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $54K | 5/19/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 5/19/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 5/19/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $163K | 5/19/2026 |
| Larry Madden | ▼ Sell | Open Market | 13,826 | $156K | 5/11/2026 |
| Larry Madden | ▼ Sell | Open Market | 3,471 | $41K | 5/11/2026 |
| Larry Madden | ▼ Sell | Open Market | 18,538 | $220K | 5/8/2026 |
| Larry Madden | ▼ Sell | Open Market | 12,782 | $130K | 4/23/2026 |
| Larry Madden | ▼ Sell | Open Market | 13,263 | $142K | 4/22/2026 |
| Capital V LLC | ▼ Sell | Open Market | 8,389 | $90K | 4/22/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,796 | $30K | 4/22/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,796 | $30K | 4/22/2026 |
| Larry Madden | ▼ Sell | Open Market | 13,283 | $145K | 4/21/2026 |
| Capital V LLC | ▼ Sell | Open Market | 14,111 | $154K | 4/21/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 4,704 | $51K | 4/21/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 4,704 | $51K | 4/21/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 4/20/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 4/20/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $167K | 4/20/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 4/20/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 4/20/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $56K | 4/20/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 4/20/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 4/20/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $56K | 4/20/2026 |
| Larry Madden | ▼ Sell | Open Market | 7,297 | $83K | 4/6/2026 |
| Larry Madden | ▼ Sell | Open Market | 10,131 | $111K | 4/2/2026 |
| Larry Madden | ▼ Sell | Open Market | 7,410 | $84K | 4/1/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,920 | $33K | 3/19/2026 |
| Capital V LLC | ▼ Sell | Open Market | 8,760 | $100K | 3/19/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,920 | $33K | 3/19/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 3/18/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $180K | 3/18/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 3/18/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 3/17/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 3/17/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $59K | 3/17/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 3/17/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 3/17/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $177K | 3/17/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 3/17/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 3/17/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $59K | 3/17/2026 |
| Larry Madden | ▲ Buy | Grant | 249,258 | $0 | 3/15/2026 |
| Larry Madden | ▼ Sell | Open Market | 1,658 | $22K | 3/13/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 44,177 | $464K | 3/10/2026 |
| Larry Madden | ▼ Sell | Tax Withholding | 35,289 | $371K | 3/10/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 44,177 | $464K | 3/10/2026 |
| Capital V LLC | ▼ Sell | Open Market | 9,836 | $90K | 2/19/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 3,279 | $30K | 2/19/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 3,279 | $30K | 2/19/2026 |
| Capital V LLC | ▼ Sell | Open Market | 14,167 | $130K | 2/18/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 4,722 | $43K | 2/18/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 4,722 | $43K | 2/18/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 2/17/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 2/17/2026 |
| Capital V LLC | ▼ Sell | Open Market | 12,237 | $113K | 2/17/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 2/17/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 2/17/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 4,079 | $38K | 2/17/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 2/17/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 2/17/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 4,079 | $38K | 2/17/2026 |
| Larry Madden | ▼ Sell | Open Market | 4,224 | $55K | 1/22/2026 |
| Capital V LLC | ▼ Sell | Open Market | 7,722 | $99K | 1/22/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,574 | $33K | 1/22/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,574 | $33K | 1/22/2026 |
| Capital V LLC | ▼ Sell | Open Market | 14,778 | $181K | 1/21/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 4,926 | $60K | 1/21/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 4,926 | $60K | 1/21/2026 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 1/20/2026 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $179K | 1/20/2026 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 1/20/2026 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 1/20/2026 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 1/20/2026 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 1/20/2026 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 1/20/2026 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 1/20/2026 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 1/20/2026 |
| Capital V LLC | ▼ Sell | Open Market | 7,500 | $88K | 12/19/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 2,500 | $29K | 12/19/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 2,500 | $29K | 12/19/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 12/18/2025 |
| Timothy Vanderhook | ▼ Sell | Gift | 85,000 | $0 | 12/18/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $60K | 12/18/2025 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $179K | 12/18/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 9,102 | $107K | 12/17/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 5,000 | $59K | 12/17/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 9,102 | $107K | 12/17/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 5,000 | $59K | 12/17/2025 |
| Capital V LLC | ▼ Sell | Open Market | 15,000 | $176K | 12/17/2025 |
| Larry Madden | ▼ Sell | Open Market | 13,477 | $158K | 12/17/2025 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 12/16/2025 |
| Timothy Vanderhook | ▼ Sell | Other | 12,500 | $0 | 12/16/2025 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 12,500 | $0 | 12/16/2025 |
| Christopher Vanderhook | ▼ Sell | Other | 12,500 | $0 | 12/16/2025 |
| Capital V LLC | ▲ Buy | Option Exercise | 37,500 | $0 | 12/16/2025 |
| Capital V LLC | ▼ Sell | Other | 37,500 | $0 | 12/16/2025 |
| Capital V LLC | ▼ Sell | Other | 941,777 | $9.0M | 9/17/2025 |
| Christopher Vanderhook | ▼ Sell | Other | 313,926 | $3.0M | 9/17/2025 |
| Timothy Vanderhook | ▼ Sell | Other | 313,926 | $3.0M | 9/17/2025 |
| Timothy Vanderhook | ▼ Sell | Other | 313,926 | $0 | 9/16/2025 |
| Capital V LLC | ▲ Buy | Option Exercise | 941,777 | $0 | 9/16/2025 |
| Capital V LLC | ▼ Sell | Other | 941,777 | $0 | 9/16/2025 |
| Christopher Vanderhook | ▲ Buy | Option Exercise | 313,926 | $0 | 9/16/2025 |
| Christopher Vanderhook | ▼ Sell | Other | 313,926 | $0 | 9/16/2025 |
| Timothy Vanderhook | ▲ Buy | Option Exercise | 313,926 | $0 | 9/16/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 8,782 | $85K | 9/15/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 8,782 | $85K | 9/15/2025 |
| Larry Madden | ▼ Sell | Open Market | 13,006 | $127K | 9/15/2025 |
| Timothy Vanderhook | ▼ Sell | Open Market | 8,960 | $117K | 6/13/2025 |
| Christopher Vanderhook | ▼ Sell | Open Market | 8,960 | $117K | 6/13/2025 |
| Larry Madden | ▼ Sell | Open Market | 13,265 | $173K | 6/13/2025 |
| Max O. Valdes | ▼ Sell | Open Market | 4,838 | $69K | 6/6/2025 |
| Vivian Yang | ▲ Buy | Grant | 12,382 | $0 | 6/5/2025 |
| Max O. Valdes | ▲ Buy | Grant | 12,382 | $0 | 6/5/2025 |
| Max O. Valdes | ▼ Sell | Open Market | 5,062 | $70K | 6/5/2025 |
| Brett Wilson | ▲ Buy | Grant | 12,382 | $0 | 6/5/2025 |
| Max O. Valdes | ▼ Sell | Gift | 44,343 | $0 | 5/20/2025 |
| Brett Wilson | ▲ Buy | Grant | 749 | $0 | 5/12/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 16, 2026
DSP Amid Ad Tech Shift Toward Tighter Fraud Checks
Recent coverage of PubMatic and Trade Desk highlights a broader move in the ad‑tech space toward stronger fraud detection. DSP, as a player in this sector, may feel the ripple effect of these changes. The shift could influence how advertisers and publishers interact with DSP’s platform.
DSP Amid Ad Tech Shift Toward Tighter Fraud Checks. Recent coverage of PubMatic and Trade Desk highlights a broader move in the ad‑tech space toward stronger fraud detection. DSP, as a player in this sector, may feel the ripple effect of these changes. The shift could influence how advertisers and publishers interact with DSP’s platform.