Timothy Vanderhook Viant Technology Inc. (DSP) insider trading activity

Timothy Vanderhook is CEO and Chairman of Viant Technology Inc.. Currently has a direct ownership of 356,284 shares of DSP, which is worth approximately $3.33 Million. The most recent transaction as insider was on Sep 15, 2025, when has been sold 8,782 shares (Class A Common Stock) at a price of $9.73 per share, resulting in proceeds of $85,448. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 356K

2.41% 3M change

29.65% 12M change

Total Value Held $3.33 Million

Timothy Vanderhook Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 15 2025	SELL Open market or private sale	$85,448 $9.73 p/Share	8,782 Reduced 2.41%	356,284 Class A Common Stock
Jun 13 2025	SELL Open market or private sale	$117,196 $13.08 p/Share	8,960 Reduced 2.4%	365,076 Class A Common Stock
Mar 10 2025	SELL Sale (or disposition) back to the issuer	$1,228,157 $13.32 p/Share	92,204 Reduced 19.78%	374,036 Class A Common Stock
Dec 19 2024	SELL Sale (or disposition) back to the issuer	$2,999,982 $19.18 p/Share	156,412 Reduced 25.12%	466,240 Class A Common Stock
Dec 19 2024	SELL Payment of exercise price or tax liability	$903,665 $19.18 p/Share	47,115 Reduced 7.03%	622,652 Class A Common Stock
Dec 19 2024	BUY Exercise of conversion of derivative security	$903,659 $4.44 p/Share	203,527 Added 23.31%	669,767 Class A Common Stock
Dec 18 2024	SELL Bona fide gift	-	31,556 Reduced 6.34%	466,240 Class A Common Stock
Dec 10 2024	SELL Sale (or disposition) back to the issuer	$184,551 $21.37 p/Share	8,636 Reduced 1.71%	497,796 Class A Common Stock
Sep 10 2024	SELL Sale (or disposition) back to the issuer	$86,964 $10.07 p/Share	8,636 Reduced 1.68%	506,432 Class A Common Stock
Jun 10 2024	SELL Sale (or disposition) back to the issuer	$78,722 $9.23 p/Share	8,529 Reduced 1.63%	515,068 Class A Common Stock
Mar 15 2024	BUY Grant, award, or other acquisition	-	194,384 Added 27.07%	523,597 Class A Common Stock
Mar 10 2024	SELL Sale (or disposition) back to the issuer	$836,069 $10.13 p/Share	82,534 Reduced 20.04%	329,213 Class A Common Stock
Mar 10 2023	SELL Sale (or disposition) back to the issuer	$144,963 $4.13 p/Share	35,100 Reduced 7.86%	411,747 Class A Common Stock
Mar 07 2023	BUY Grant, award, or other acquisition	-	180,180 Added 28.74%	446,847 Class A Common Stock
Mar 15 2022	BUY Grant, award, or other acquisition	-	266,667 Added 50.0%	266,667 Class A Common Stock
Feb 10 2021	SELL Open market or private sale	$6,265,625 $25.0 p/Share	250,625 Reduced 100.0%	0 Class A Common Stock
Feb 10 2021	BUY Exercise of conversion of derivative security	-	250,625 Added 50.0%	250,625 Class A Common Stock

Timothy Vanderhook

CEO and Chairman

Irvine, CA

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