30% off. Use code SUMMERSALE30 at checkout for 30% off for 12 months on Plus, Pro and Premium subscriptions. Subscribe now

Viant Technology Inc (DSP)

Over the last 90 days, Viant Technology Inc. has seen significant insider selling, with a net value of -$6,052,319.99 and a net insider count of -4. Executives contributed heavily to this trend, with a net executive count of -3 and a net value of -$484,248.60. Recent transactions show multiple planned and proposed sales by key executives including the CEO and COO, as well as by Capital V LLC.
Stock chart
Ticker: DSP Exchange: NSM


Loading...
Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Vanderhook Christopher
Chief Operating Officer
1 sale — total 100,000 USD
Planned sale 18 Jun 2026
Value US$92,089.81 | Price 468.05 | Shares 3,703
Planned sale 18 Jun 2026
Value US$1,461,492.74 | Price 357.99 | Shares 7,185
Planned sale 18 Jun 2026
Value US$100,000.00 | Price 10.96 | Shares 1,000
Planned sale 17 Jun 2026
Value US$100,000.00 | Price 11.09 | Shares 1,000
Planned sale 17 Jun 2026
Value US$100,000.00 | Price 11.09 | Shares 1,000
Planned sale 17 Jun 2026
Value US$100,000.00 | Price 11.09 | Shares 1,000
Planned sale 16 Jun 2026
Value US$100,000.00 | Price 11.17 | Shares 1,000
Planned sale 16 Jun 2026
Value US$100,000.00 | Price 11.17 | Shares 1,000
Planned sale 16 Jun 2026
Value US$100,000.00 | Price 11.17 | Shares 1,000
Proposed sale 16 Jun 2026
Value US$100,000.00 | Price 11.37 | Shares 1,000
Sale 15 Jun 2026
Value US$100,000.00 | Price 11.10 | Shares 1,000
Sale 15 Jun 2026
Value US$100,000.00 | Price 11.10 | Shares 1,000
Sale 15 Jun 2026
Value US$100,000.00 | Price 11.10 | Shares 1,000
Proposed sale 12 Jun 2026
Value US$100,000.00 | Price 12.09 | Shares 1,000
Proposed sale 12 Jun 2026
Value US$100,000.00 | Price 12.09 | Shares 1,000
Proposed sale 12 Jun 2026
Value US$100,000.00 | Price 12.09 | Shares 1,000
Sale 9 Jun 2026
Value US$100,000.00 | Price 11.97 | Shares 1,000
Sale 9 Jun 2026
Value US$100,000.00 | Price 11.97 | Shares 1,000
Proposed sale 9 Jun 2026
Value US$100,000.00 | Price 11.97 | Shares 1,000
Sale 8 Jun 2026
Value US$100,000.00 | Price 12.10 | Shares 1,000
Planned sale 8 Jun 2026
Value US$100,000.00 | Price 12.10 | Shares 1,000
Planned sale 5 Jun 2026
Value US$100,000.00 | Price 12.24 | Shares 1,000
Planned sale 21 May 2026
Value US$26,971.25 | Price 10.79 | Shares 2,500
Planned sale 21 May 2026
Value US$26,971.25 | Price 10.79 | Shares 2,500
Planned sale 21 May 2026
Value US$80,913.75 | Price 10.79 | Shares 7,500
Planned sale 20 May 2026
Value US$52,978.00 | Price 10.60 | Shares 5,000
Planned sale 20 May 2026
Value US$52,978.00 | Price 10.60 | Shares 5,000
Planned sale 20 May 2026
Value US$158,934.00 | Price 10.60 | Shares 15,000
Planned sale 19 May 2026
Value US$54,436.00 | Price 10.89 | Shares 5,000
Planned sale 19 May 2026
Value US$54,436.00 | Price 10.89 | Shares 5,000
Planned sale 19 May 2026
Value US$163,308.00 | Price 10.89 | Shares 15,000
Planned sale 11 May 2026
Value US$41,463.18 | Price 11.95 | Shares 3,471
Planned sale 11 May 2026
Value US$156,105.22 | Price 11.29 | Shares 13,826
Planned sale 8 May 2026
Value US$219,671.59 | Price 11.85 | Shares 18,538
Planned sale 23 Apr 2026
Value US$129,881.74 | Price 10.16 | Shares 12,782
Planned sale 22 Apr 2026
Value US$142,427.38 | Price 10.74 | Shares 13,263
Planned sale 22 Apr 2026
Value US$90,128.06 | Price 10.74 | Shares 8,389
Planned sale 22 Apr 2026
Value US$30,039.11 | Price 10.74 | Shares 2,796
Planned sale 22 Apr 2026
Value US$30,039.11 | Price 10.74 | Shares 2,796
Planned sale 21 Apr 2026
Value US$144,929.48 | Price 10.91 | Shares 13,283
Planned sale 21 Apr 2026
Value US$154,017.33 | Price 10.91 | Shares 14,111
Planned sale 21 Apr 2026
Value US$51,342.75 | Price 10.91 | Shares 4,704
Planned sale 21 Apr 2026
Value US$51,342.75 | Price 10.91 | Shares 4,704
Planned sale 20 Apr 2026
Value US$166,797.00 | Price 11.12 | Shares 15,000
Planned sale 20 Apr 2026
Value US$55,599.00 | Price 11.12 | Shares 5,000
Planned sale 20 Apr 2026
Value US$55,599.00 | Price 11.12 | Shares 5,000
Planned sale 6 Apr 2026
Value US$82,517.39 | Price 11.31 | Shares 7,297
Planned sale 2 Apr 2026
Value US$110,880.76 | Price 10.94 | Shares 10,131
Planned sale 2 Apr 2026
Value US$110,880.76 | Price 10.94 | Shares 10,131
Planned sale 1 Apr 2026
Value US$83,536.64 | Price 11.27 | Shares 7,410
Planned sale 1 Apr 2026
Value US$83,536.64 | Price 11.27 | Shares 7,410
Proposed sale 1 Apr 2026
Value US$1,497,340.82 | Price 11.23 | Shares 133,334
Planned sale 19 Mar 2026
Value US$33,354.87 | Price 11.42 | Shares 2,920
Planned sale 19 Mar 2026
Value US$100,064.60 | Price 11.42 | Shares 8,760
Planned sale 19 Mar 2026
Value US$33,354.87 | Price 11.42 | Shares 2,920
Planned sale 18 Mar 2026
Value US$59,993.00 | Price 12.00 | Shares 5,000
Planned sale 18 Mar 2026
Value US$179,979.00 | Price 12.00 | Shares 15,000
Planned sale 18 Mar 2026
Value US$59,993.00 | Price 12.00 | Shares 5,000
Planned sale 17 Mar 2026
Value US$58,979.50 | Price 11.80 | Shares 5,000
Planned sale 17 Mar 2026
Value US$176,938.50 | Price 11.80 | Shares 15,000
Proposed sale 17 Mar 2026
Value US$1,336,680.00 | Price 11.75 | Shares 113,760
Proposed sale 17 Mar 2026
Value US$1,336,680.00 | Price 11.75 | Shares 113,760
Planned sale 17 Mar 2026
Value US$58,979.50 | Price 11.80 | Shares 5,000
Planned sale 13 Mar 2026
Value US$21,607.39 | Price 13.03 | Shares 1,658
Planned sale 19 Feb 2026
Value US$90,213.82 | Price 9.17 | Shares 9,836
Planned sale 19 Feb 2026
Value US$30,074.33 | Price 9.17 | Shares 3,279
Planned sale 19 Feb 2026
Value US$30,074.33 | Price 9.17 | Shares 3,279
Planned sale 18 Feb 2026
Value US$130,128.15 | Price 9.19 | Shares 14,167
Planned sale 18 Feb 2026
Value US$43,372.99 | Price 9.19 | Shares 4,722
Planned sale 18 Feb 2026
Value US$43,372.99 | Price 9.19 | Shares 4,722
Planned sale 17 Feb 2026
Value US$113,369.69 | Price 9.26 | Shares 12,237
Planned sale 17 Feb 2026
Value US$37,789.90 | Price 9.26 | Shares 4,079
Planned sale 17 Feb 2026
Value US$37,789.90 | Price 9.26 | Shares 4,079
Planned sale 22 Jan 2026
Value US$55,285.82 | Price 13.09 | Shares 4,224
Proposed sale 22 Jan 2026
Value US$980,691.75 | Price 12.75 | Shares 76,917
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-18 2026-06-18 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
3,703 +7.6%
468.05
US$92,090
3,703 +7.6% 468.05 US$92,090
2026-06-18 2026-06-18 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
7,185 +21.9%
357.99
US$1,461,493
7,185 +21.9% 357.99 US$1,461,493
2026-06-18 2026-06-18 PlS Planned sale Large shareholder
2,557 -5.2%
144.51
US$2,330,570
2,557 -5.2% 144.51 US$2,330,570
2026-06-18 2026-06-17 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
1,000 -66.7%
11.09
US$100,000
1,000 -66.7% 11.09 US$100,000
2026-06-18 2026-06-17 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
1,000 -66.7%
11.09
US$100,000
1,000 -66.7% 11.09 US$100,000
2026-06-18 2026-06-17 PlS Planned sale Large shareholder
1,000 -66.7%
11.09
US$100,000
1,000 -66.7% 11.09 US$100,000
2026-06-18 2026-06-16 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
1,000 -40.0%
11.17
US$100,000
1,000 -40.0% 11.17 US$100,000
2026-06-18 2026-06-16 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
1,000 -40.0%
11.17
US$100,000
1,000 -40.0% 11.17 US$100,000
2026-06-18 2026-06-16 PlS Planned sale Large shareholder
1,000 -40.0%
11.17
US$100,000
1,000 -40.0% 11.17 US$100,000
2026-06-16 2026-06-16 PrS Proposed sale

10% Stockholder

Large shareholder
1,000
11.37
US$100,000
1,000 11.37 US$100,000
2026-06-15 2026-06-15 S Sale

Chief Financial Officer

Officer
1,000 -5.2%
11.10
US$100,000
1,000 -5.2% 11.10 US$100,000
2026-06-15 2026-06-15 S Sale

Chief Operating Officer

Executive Director Large shareholder
1,000 -3.0%
11.10
US$100,000
1,000 -3.0% 11.10 US$100,000
2026-06-15 2026-06-15 S Sale

CEO and Chairman

Executive Director Large shareholder
1,000 -4.2%
11.10
US$100,000
1,000 -4.2% 11.10 US$100,000
2026-06-12 2026-06-12 PrS Proposed sale

Officer; Director

Executive Director
1,000
12.09
US$100,000
1,000 12.09 US$100,000
2026-06-12 2026-06-12 PrS Proposed sale

Officer; Director

Executive Director
1,000
12.09
US$100,000
1,000 12.09 US$100,000
2026-06-12 2026-06-12 PrS Proposed sale

Officer

Officer
1,000
12.09
US$100,000
1,000 12.09 US$100,000
2026-06-10 2026-06-09 S Sale Non-Executive Director
1,000 -10.3%
11.97
US$100,000
1,000 -10.3% 11.97 US$100,000
2026-06-10 2026-06-09 S Sale Non-Executive Director
1,000 -10.3%
11.97
US$100,000
1,000 -10.3% 11.97 US$100,000
2026-06-09 2026-06-09 PrS Proposed sale

Director

Non-Executive Director
1,000
11.97
US$100,000
1,000 11.97 US$100,000
2026-06-10 2026-06-08 S Sale Non-Executive Director
1,000 -9.1%
12.10
US$100,000
1,000 -9.1% 12.10 US$100,000
2026-06-08 2026-06-08 PlS Planned sale

Chief Financial Officer

Officer
1,000 -2.9%
12.10
US$100,000
1,000 -2.9% 12.10 US$100,000
2026-06-08 2026-06-05 PlS Planned sale

Chief Financial Officer

Officer
1,000 -3.6%
12.24
US$100,000
1,000 -3.6% 12.24 US$100,000
2026-05-21 2026-05-21 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
2,500 -100.0%
10.79
US$26,971
2,500 -100.0% 10.79 US$26,971
2026-05-21 2026-05-21 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
2,500 -100.0%
10.79
US$26,971
2,500 -100.0% 10.79 US$26,971
2026-05-21 2026-05-21 PlS Planned sale Large shareholder
7,500 -100.0%
10.79
US$80,914
7,500 -100.0% 10.79 US$80,914
2026-05-21 2026-05-20 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
5,000 -66.7%
10.60
US$52,978
5,000 -66.7% 10.60 US$52,978
2026-05-21 2026-05-20 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
5,000 -66.7%
10.60
US$52,978
5,000 -66.7% 10.60 US$52,978
2026-05-21 2026-05-20 PlS Planned sale Large shareholder
15,000 -66.7%
10.60
US$158,934
15,000 -66.7% 10.60 US$158,934
2026-05-21 2026-05-19 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
5,000 -40.0%
10.89
US$54,436
5,000 -40.0% 10.89 US$54,436
2026-05-21 2026-05-19 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
5,000 -40.0%
10.89
US$54,436
5,000 -40.0% 10.89 US$54,436
2026-05-21 2026-05-19 PlS Planned sale Large shareholder
15,000 -40.0%
10.89
US$163,308
15,000 -40.0% 10.89 US$163,308
2026-05-12 2026-05-11 PlS Planned sale

Chief Financial Officer

Officer
3,471 -0.7%
11.95
US$41,463
3,471 -0.7% 11.95 US$41,463
2026-05-12 2026-05-11 PlS Planned sale

Chief Financial Officer

Officer
13,826 -2.6%
11.29
US$156,105
13,826 -2.6% 11.29 US$156,105
2026-05-12 2026-05-08 PlS Planned sale

Chief Financial Officer

Officer
18,538 -3.3%
11.85
US$219,672
18,538 -3.3% 11.85 US$219,672
2026-04-23 2026-04-23 PlS Planned sale

Chief Financial Officer

Officer
12,782 -2.3%
10.16
US$129,882
12,782 -2.3% 10.16 US$129,882
2026-04-23 2026-04-22 PlS Planned sale

Chief Financial Officer

Officer
13,263 -2.3%
10.74
US$142,427
13,263 -2.3% 10.74 US$142,427
2026-04-22 2026-04-22 PlS Planned sale Large shareholder
8,389 -100.0%
10.74
US$90,128
8,389 -100.0% 10.74 US$90,128
2026-04-22 2026-04-22 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
2,796 -100.0%
10.74
US$30,039
2,796 -100.0% 10.74 US$30,039
2026-04-22 2026-04-22 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
2,796 -100.0%
10.74
US$30,039
2,796 -100.0% 10.74 US$30,039
2026-04-23 2026-04-21 PlS Planned sale

Chief Financial Officer

Officer
13,283 -2.2%
10.91
US$144,929
13,283 -2.2% 10.91 US$144,929
2026-04-22 2026-04-21 PlS Planned sale Large shareholder
14,111 -62.7%
10.91
US$154,017
14,111 -62.7% 10.91 US$154,017
2026-04-22 2026-04-21 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
4,704 -62.7%
10.91
US$51,343
4,704 -62.7% 10.91 US$51,343
2026-04-22 2026-04-21 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
4,704 -62.7%
10.91
US$51,343
4,704 -62.7% 10.91 US$51,343
2026-04-22 2026-04-20 PlS Planned sale Large shareholder
15,000 -40.0%
11.12
US$166,797
15,000 -40.0% 11.12 US$166,797
2026-04-22 2026-04-20 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
5,000 -40.0%
11.12
US$55,599
5,000 -40.0% 11.12 US$55,599
2026-04-22 2026-04-20 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
5,000 -40.0%
11.12
US$55,599
5,000 -40.0% 11.12 US$55,599
2026-04-07 2026-04-06 PlS Planned sale

Chief Financial Officer

Officer
7,297 -1.2%
11.31
US$82,517
7,297 -1.2% 11.31 US$82,517
2026-04-03 2026-04-02 PlS Planned sale

Chief Financial Officer

Officer
10,131 -1.7%
10.94
US$110,881
10,131 -1.7% 10.94 US$110,881
2026-04-03 2026-04-02 PlS Planned sale

Chief Financial Officer

Officer
10,131 -1.7%
10.94
US$110,881
10,131 -1.7% 10.94 US$110,881
2026-04-03 2026-04-01 PlS Planned sale

Chief Financial Officer

Officer
7,410 -1.2%
11.27
US$83,537
7,410 -1.2% 11.27 US$83,537
2026-04-03 2026-04-01 PlS Planned sale

Chief Financial Officer

Officer
7,410 -1.2%
11.27
US$83,537
7,410 -1.2% 11.27 US$83,537
2026-04-01 2026-04-01 PrS Proposed sale

Officer

Officer
133,334
11.23
US$1,497,341
133,334 11.23 US$1,497,341
2026-03-19 2026-03-19 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
2,920 -100.0%
11.42
US$33,355
2,920 -100.0% 11.42 US$33,355
2026-03-19 2026-03-19 PlS Planned sale Large shareholder
8,760 -100.0%
11.42
US$100,065
8,760 -100.0% 11.42 US$100,065
2026-03-19 2026-03-19 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
2,920 -100.0%
11.42
US$33,355
2,920 -100.0% 11.42 US$33,355
2026-03-19 2026-03-18 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
5,000 -63.1%
12.00
US$59,993
5,000 -63.1% 12.00 US$59,993
2026-03-19 2026-03-18 PlS Planned sale Large shareholder
15,000 -63.1%
12.00
US$179,979
15,000 -63.1% 12.00 US$179,979
2026-03-19 2026-03-18 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
5,000 -63.1%
12.00
US$59,993
5,000 -63.1% 12.00 US$59,993
2026-03-19 2026-03-17 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
5,000 -38.7%
11.80
US$58,980
5,000 -38.7% 11.80 US$58,980
2026-03-19 2026-03-17 PlS Planned sale Large shareholder
15,000 -38.7%
11.80
US$176,938
15,000 -38.7% 11.80 US$176,938
2026-03-19 2026-03-17 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
5,000 -38.7%
11.80
US$58,980
5,000 -38.7% 11.80 US$58,980
2026-03-17 2026-03-17 PrS Proposed sale

10% Stockholder

Large shareholder
113,760
11.75
US$1,336,680
113,760 11.75 US$1,336,680
2026-03-17 2026-03-17 PrS Proposed sale

10% Stockholder

Large shareholder
113,760
11.75
US$1,336,680
113,760 11.75 US$1,336,680
2026-03-17 2026-03-13 PlS Planned sale

Chief Financial Officer

Officer
1,658 -0.4%
13.03
US$21,607
1,658 -0.4% 13.03 US$21,607
2026-02-19 2026-02-19 PlS Planned sale Large shareholder
9,836 -88.6%
9.17
US$90,214
9,836 -88.6% 9.17 US$90,214
2026-02-19 2026-02-19 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
3,279 -88.6%
9.17
US$30,074
3,279 -88.6% 9.17 US$30,074
2026-02-19 2026-02-19 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
3,279 -88.6%
9.17
US$30,074
3,279 -88.6% 9.17 US$30,074
2026-02-19 2026-02-18 PlS Planned sale Large shareholder
14,167 -56.1%
9.19
US$130,128
14,167 -56.1% 9.19 US$130,128
2026-02-19 2026-02-18 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
4,722 -56.1%
9.19
US$43,373
4,722 -56.1% 9.19 US$43,373
2026-02-19 2026-02-18 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
4,722 -56.1%
9.19
US$43,373
4,722 -56.1% 9.19 US$43,373
2026-02-19 2026-02-17 PlS Planned sale Large shareholder
12,237 -32.6%
9.26
US$113,370
12,237 -32.6% 9.26 US$113,370
2026-02-19 2026-02-17 PlS Planned sale

Chief Operating Officer

Executive Director Large shareholder
4,079 -32.6%
9.26
US$37,790
4,079 -32.6% 9.26 US$37,790
2026-02-19 2026-02-17 PlS Planned sale

CEO and Chairman

Executive Director Large shareholder
4,079 -32.6%
9.26
US$37,790
4,079 -32.6% 9.26 US$37,790
2026-01-26 2026-01-22 PlS Planned sale

Chief Financial Officer

Officer
4,224 -1.0%
13.09
US$55,286
4,224 -1.0% 13.09 US$55,286
2026-01-22 2026-01-22 PrS Proposed sale

Officer

Officer
76,917
12.75
US$980,692
76,917 12.75 US$980,692