Insider Transactions in Q4 2025 at Viant Technology Inc. (DSP)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 19
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Open market or private sale
|
Indirect |
2,500
-100.0%
|
$27,500
$11.79 P/Share
|
|
Dec 19
2025
|
Christopher Vanderhook Chief Operating Officer |
SELL
Open market or private sale
|
Indirect |
2,500
-100.0%
|
$27,500
$11.79 P/Share
|
|
Dec 19
2025
|
Four Brothers 2 LLC > 10% Shareholder |
SELL
Open market or private sale
|
Direct |
7,500
-100.0%
|
$82,500
$11.79 P/Share
|
|
Dec 18
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Bona fide gift
|
Direct |
85,000
-24.48%
|
-
|
|
Dec 18
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Open market or private sale
|
Indirect |
5,000
-66.67%
|
$55,000
$11.93 P/Share
|
|
Dec 18
2025
|
Four Brothers 2 LLC > 10% Shareholder |
SELL
Open market or private sale
|
Direct |
15,000
-66.67%
|
$165,000
$11.93 P/Share
|
|
Dec 18
2025
|
Christopher Vanderhook Chief Operating Officer |
SELL
Open market or private sale
|
Indirect |
5,000
-66.67%
|
$55,000
$11.93 P/Share
|
|
Dec 17
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Open market or private sale
|
Indirect |
5,000
-40.0%
|
$55,000
$11.74 P/Share
|
|
Dec 17
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Open market or private sale
|
Direct |
9,102
-2.55%
|
$100,122
$11.7 P/Share
|
|
Dec 17
2025
|
Four Brothers 2 LLC > 10% Shareholder |
SELL
Open market or private sale
|
Direct |
15,000
-40.0%
|
$165,000
$11.74 P/Share
|
|
Dec 17
2025
|
Christopher Vanderhook Chief Operating Officer |
SELL
Open market or private sale
|
Indirect |
5,000
-40.0%
|
$55,000
$11.74 P/Share
|
|
Dec 17
2025
|
Christopher Vanderhook Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
9,102
-2.55%
|
$100,122
$11.7 P/Share
|
|
Dec 17
2025
|
Larry Madden Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
13,477
-3.18%
|
$148,247
$11.7 P/Share
|
|
Dec 16
2025
|
Timothy Vanderhook CEO and Chairman |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
12,500
-0.14%
|
-
|
|
Dec 16
2025
|
Timothy Vanderhook CEO and Chairman |
BUY
Exercise of conversion of derivative security
|
Indirect |
12,500
+50.0%
|
-
|
|
Dec 16
2025
|
Four Brothers 2 LLC > 10% Shareholder |
SELL
Sale (or disposition) back to the issuer
|
Direct |
37,500
-0.14%
|
-
|
|
Dec 16
2025
|
Four Brothers 2 LLC > 10% Shareholder |
BUY
Exercise of conversion of derivative security
|
Direct |
37,500
+50.0%
|
-
|
|
Dec 16
2025
|
Christopher Vanderhook Chief Operating Officer |
SELL
Sale (or disposition) back to the issuer
|
Indirect |
12,500
-0.14%
|
-
|
|
Dec 16
2025
|
Christopher Vanderhook Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Indirect |
12,500
+50.0%
|
-
|