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Detailed Insider History for:
VIANT TECHNOLOGY INC: DSP
Price: 12/19/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$11.76 $26.33 $8.11 $745 17 294 0.0% 6.1% 59.79% 8.45%
Exch Sector Industry Sub-Industry
NasdaqGS Services Business Services Services- Computer Programming, Data Processing, Etc.
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
CAPITAL V LLC
BO
AS
$88,425
7,500
---
12/19/25
---
$11.79
---
All
D
10b
12/19/25 - 6:38:40 pm
2
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
AS
$29,475
2,500
---
12/19/25
---
$11.79
---
All
I
10b
12/19/25 - 6:38:28 pm
3
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
AS
$29,475
2,500
---
12/19/25
---
$11.79
---
All
I
10b
12/19/25 - 6:38:08 pm
4
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
JS
---
85,000
---
12/18/25
---
---
262,182
-24.5
D
R,10b
12/18/25 - 9:40:02 pm
5
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
AS
$118,323
10,000
12/17/25
12/18/25
$11.74
$11.93
2,500
-80.0
I
R,10b
12/18/25 - 9:40:02 pm
6
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
AS
$118,323
10,000
12/17/25
12/18/25
$11.74
$11.93
2,500
-80.0
I
R,10b
12/18/25 - 9:01:59 pm
7
    
 
CAPITAL V LLC
BO
AS
$354,969
30,000
12/17/25
12/18/25
$11.74
$11.93
7,500
-80.0
D
10b
12/18/25 - 9:01:29 pm
8
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
AS
$106,530
9,102
---
12/17/25
---
$11.70
347,182
-2.6
D
R,10b
12/18/25 - 9:40:02 pm
9
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
AS
$106,530
9,102
---
12/17/25
---
$11.70
347,182
-2.6
D
R,10b
12/18/25 - 9:01:59 pm
10
    
 
MADDEN LARRY
CFO
S
$157,735
13,477
---
12/17/25
---
$11.70
409,778
-3.2
D
R
12/18/25 - 8:59:30 pm
11
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
JS
---
12,500
---
12/16/25
---
---
9,157,275
-0.1
I
R,10b
12/18/25 - 9:40:02 pm
12
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
JB
---
12,500
---
12/16/25
---
---
12,500
New
I
R,10b
12/18/25 - 9:40:02 pm
13
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
JS
---
12,500
---
12/16/25
---
---
9,157,275
-0.1
I
R,10b
12/18/25 - 9:01:59 pm
14
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
JB
---
12,500
---
12/16/25
---
---
12,500
New
I
R,10b
12/18/25 - 9:01:59 pm
15
    
 
CAPITAL V LLC
BO
JS
---
37,500
---
12/16/25
---
---
27,471,826
-0.1
D
10b
12/18/25 - 9:01:29 pm
16
    
 
CAPITAL V LLC
BO
JB
---
37,500
---
12/16/25
---
---
37,500
New
D
10b
12/18/25 - 9:01:29 pm
17
    
 
CAPITAL V LLC
BO
JS
$8,999,998
1,883,554
9/16/25
9/17/25
---
$9.56
---
All
D
---
9/17/25 - 6:39:33 pm
18
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
JS
$3,000,003
627,852
9/16/25
9/17/25
---
$9.56
---
All
I
R
9/17/25 - 6:38:57 pm
19
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
JS
$3,000,003
627,852
9/16/25
9/17/25
---
$9.56
---
All
I
R
9/17/25 - 6:38:26 pm
20
    
 
CAPITAL V LLC
BO
JB
---
941,777
---
9/16/25
---
---
941,777
New
D
---
9/17/25 - 6:39:33 pm
21
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
JB
---
313,926
---
9/16/25
---
---
313,926
New
I
R
9/17/25 - 6:38:57 pm
22
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
JB
---
313,926
---
9/16/25
---
---
313,926
New
I
R
9/17/25 - 6:38:26 pm
23
    
 
VANDERHOOK CHRISTOPHER
COO,DIR,BO
S
$85,426
8,782
---
9/15/25
---
$9.73
356,284
-2.4
D
R
9/17/25 - 6:38:57 pm
24
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR,BO
S
$85,426
8,782
---
9/15/25
---
$9.73
356,284
-2.4
D
R
9/17/25 - 6:38:26 pm
25
    
 
MADDEN LARRY
CFO
S
$126,515
13,006
---
9/15/25
---
$9.73
423,255
-3.0
D
R
9/17/25 - 6:37:44 pm
26
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR
S
$117,177
8,960
---
6/13/25
---
$13.08
365,076
-2.4
D
R
6/13/25 - 9:12:40 pm
27
    
 
VANDERHOOK CHRISTOPHER
COO,DIR
S
$117,177
8,960
---
6/13/25
---
$13.08
365,076
-2.4
D
R
6/13/25 - 9:11:28 pm
28
    
 
MADDEN LARRY
CFO
S
$173,477
13,265
---
6/13/25
---
$13.08
436,261
-3.0
D
R
6/13/25 - 9:09:53 pm
29
1y
2
50%
33%
3
VALDES MAX O
DIR
S
$139,297
9,900
6/5/25
6/6/25
$13.87
$14.29
21,591
-31.4
D
R
6/9/25 - 5:35:56 pm
30
    
 
YANG VIVIAN
DIR
JB
---
12,382
---
6/5/25
---
---
93,913
15.2
D
R
6/9/25 - 5:39:19 pm
31
    
 
VALDES MAX O
DIR
JB
---
12,382
---
6/5/25
---
---
31,491
64.8
D
R
6/9/25 - 5:35:56 pm
32
    
 
WILSON BRETT
DIR
JB
---
12,382
---
6/5/25
---
---
35,919
52.6
D
R
6/9/25 - 5:35:05 pm
33
    
 
VALDES MAX O
DIR
JS
---
44,343
---
5/20/25
---
---
19,109
-69.9
D
---
5/21/25 - 4:28:25 pm
34
    
 
WILSON BRETT
DIR
JB
---
23,537
---
5/12/25
---
---
23,537
New
D
R
5/14/25 - 4:58:29 pm
35
    
 
WILSON BRETT
DIR
3
---
---
---
5/12/25
---
---
---
---
---
---
5/14/25 - 4:55:40 pm
36
    
 
MADDEN LARRY
CFO
JB
---
163,398
3/15/25
3/18/25
---
---
449,526
57.1
D
R
3/18/25 - 9:26:55 pm
37
    
 
MADDEN LARRY
CFO
JS
$775,384
58,212
---
3/10/25
---
$13.32
286,128
-16.9
D
R
3/11/25 - 5:00:52 pm
38
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR
JS
$1,228,157
92,204
---
3/10/25
---
$13.32
374,036
-19.8
D
R
3/11/25 - 4:59:55 pm
39
    
 
VANDERHOOK CHRISTOPHER
COO,DIR
JS
$1,228,157
92,204
---
3/10/25
---
$13.32
374,036
-19.8
D
R
3/11/25 - 4:58:29 pm
40
    
 
MADDEN LARRY
CFO
AS
$330,235
14,284
---
2/5/25
---
$23.12
344,340
-4.0
D
10b
2/7/25 - 4:59:43 pm
41
    
 
MADDEN LARRY
CFO
AS
$267,995
14,284
---
1/2/25
---
$18.76
358,624
-3.8
D
10b
1/3/25 - 5:04:13 pm
42
    
 
VANDERHOOK CHRISTOPHER
COO,DIR
OS
$3,903,648
235,083
12/18/24
12/19/24
---
$19.18
466,240
-33.5
D
---
12/20/24 - 7:31:48 pm
43
    
 
VANDERHOOK CHRISTOPHER
COO,DIR
OE
$903,660
203,527
---
12/19/24
---
$4.44
669,767
43.7
D
---
12/20/24 - 7:31:48 pm
44
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR
OS
$3,903,648
235,083
12/18/24
12/19/24
---
$19.18
466,240
-33.5
D
---
12/20/24 - 7:30:48 pm
45
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR
OE
$903,660
203,527
---
12/19/24
---
$4.44
669,767
43.7
D
---
12/20/24 - 7:30:48 pm
46
    
 
VANDERHOOK TIMOTHY
CEO,CB,DIR
JS
$184,551
8,636
---
12/10/24
---
$21.37
497,796
-1.7
D
R
12/12/24 - 4:18:14 pm
47
    
 
VANDERHOOK CHRISTOPHER
COO,DIR
JS
$184,551
8,636
---
12/10/24
---
$21.37
497,796
-1.7
D
R
12/12/24 - 4:17:10 pm
48
    
 
MADDEN LARRY
CFO
JS
$116,296
5,442
---
12/10/24
---
$21.37
372,908
-1.4
D
R
12/12/24 - 4:15:57 pm
49
1y
2
50%
33%
3
VALDES MAX O
DIR
S
$153,829
7,500
---
12/6/24
---
$20.51
63,452
-10.6
D
---
12/9/24 - 6:08:40 pm
50
    
 
MADDEN LARRY
CFO
AS
$278,695
14,284
---
12/4/24
---
$19.51
378,350
-3.6
D
10b
12/5/24 - 4:39:14 pm
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