Viant Technology, Inc. is an advertising technology company, which develops and manages an enterprise software platform. Its solutions include Viant Household ID, Viant's Identity Graph, Viant Data Lake, and Potens. The firm also offers Adelphic, an omnichannel demand-side platform which enables marketers to execute programmatic advertising campaigns. The company was founded by Timothy C. Vanderhook, Christopher John Vanderhook, and Russell T. Vanderhook in 1999 and is headquartered in Irvine, CA. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Capital V LLC | 10% Owner | Sep 16 '25 | Option Exercise | 0.00 | 941,777 | 0 | 941,777 | Sep 17 06:39 PM | | Vanderhook Christopher | Chief Operating Officer | Sep 16 '25 | Option Exercise | 0.00 | 313,926 | 0 | 313,926 | Sep 17 06:38 PM | | Vanderhook Christopher | Chief Operating Officer | Sep 15 '25 | Sale | 9.73 | 8,782 | 85,426 | 356,284 | Sep 17 06:38 PM | | Vanderhook Timothy | CEO and Chairman | Sep 16 '25 | Option Exercise | 0.00 | 313,926 | 0 | 313,926 | Sep 17 06:38 PM | | Vanderhook Timothy | CEO and Chairman | Sep 15 '25 | Sale | 9.73 | 8,782 | 85,426 | 356,284 | Sep 17 06:38 PM | | MADDEN LARRY | Chief Financial Officer | Sep 15 '25 | Sale | 9.73 | 13,006 | 126,515 | 423,255 | Sep 17 06:37 PM | | Christopher Vanderhook | Officer | Sep 11 '25 | Proposed Sale | 10.31 | 9,500 | 97,945 | | Sep 11 04:56 PM | | Timothy Vanderhook | Officer | Sep 11 '25 | Proposed Sale | 10.31 | 9,500 | 97,945 | | Sep 11 04:55 PM | | Lawrence Madden | Officer | Sep 11 '25 | Proposed Sale | 10.31 | 14,067 | 145,031 | | Sep 11 04:54 PM | | Vanderhook Timothy | CEO and Chairman | Jun 13 '25 | Sale | 13.08 | 8,960 | 117,177 | 365,076 | Jun 13 09:12 PM | | Vanderhook Christopher | Chief Operating Officer | Jun 13 '25 | Sale | 13.08 | 8,960 | 117,177 | 365,076 | Jun 13 09:11 PM | | MADDEN LARRY | Chief Financial Officer | Jun 13 '25 | Sale | 13.08 | 13,265 | 173,477 | 436,261 | Jun 13 09:09 PM | | Timothy Vanderhook | Officer | Jun 11 '25 | Proposed Sale | 14.17 | 9,500 | 134,615 | | Jun 11 05:13 PM | | Christopher Vanderhook | Officer | Jun 11 '25 | Proposed Sale | 14.17 | 9,500 | 134,615 | | Jun 11 05:12 PM | | Lawrence Madden | Officer | Jun 11 '25 | Proposed Sale | 14.17 | 14,062 | 199,259 | | Jun 11 05:12 PM | | VALDES MAX O | Director | Jun 05 '25 | Sale | 13.87 | 5,062 | 70,187 | 26,429 | Jun 09 05:35 PM | | VALDES MAX O | Director | Jun 06 '25 | Sale | 14.29 | 4,838 | 69,111 | 21,591 | Jun 09 05:35 PM | | MAX O VALDES | Director | Jun 06 '25 | Proposed Sale | 14.29 | 4,838 | 69,111 | | Jun 06 04:03 PM | | MAX O VALDES | Director | Jun 05 '25 | Proposed Sale | 13.87 | 5,062 | 70,187 | | Jun 05 06:38 PM | | MADDEN LARRY | Chief Financial Officer | Feb 05 '25 | Sale | 23.12 | 14,284 | 330,235 | 344,340 | Feb 07 04:59 PM | | MADDEN LARRY | Chief Financial Officer | Jan 02 '25 | Sale | 18.76 | 14,284 | 267,995 | 358,624 | Jan 03 05:04 PM | | Vanderhook Christopher | Chief Operating Officer | Dec 19 '24 | Option Exercise | 4.44 | 203,527 | 903,660 | 669,767 | Dec 20 07:31 PM | | Vanderhook Timothy | CEO and Chairman | Dec 19 '24 | Option Exercise | 4.44 | 203,527 | 903,660 | 669,767 | Dec 20 07:30 PM | | VALDES MAX O | Director | Dec 06 '24 | Sale | 20.51 | 7,500 | 153,829 | 63,452 | Dec 09 06:08 PM | | VALDES MAX O | Director | Dec 06 '24 | Proposed Sale | 20.51 | 7,500 | 153,828 | | Dec 06 05:10 PM | | MADDEN LARRY | Chief Financial Officer | Dec 04 '24 | Sale | 19.51 | 14,284 | 278,695 | 378,350 | Dec 05 04:39 PM | | MADDEN LARRY | Chief Financial Officer | Nov 14 '24 | Sale | 15.19 | 67,243 | 1,021,551 | 461,107 | Nov 18 07:51 PM | | MADDEN LARRY | Chief Financial Officer | Nov 15 '24 | Sale | 15.75 | 45,969 | 723,800 | 415,138 | Nov 18 07:51 PM | | MADDEN LARRY | Chief Financial Officer | Nov 18 '24 | Sale | 17.03 | 22,504 | 383,142 | 392,634 | Nov 18 07:51 PM | | Lawrence Madden | Officer | Nov 14 '24 | Proposed Sale | 15.40 | 171,426 | 2,639,960 | | Nov 14 08:03 PM |
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