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CIK 0001828791 · Accelerated filer<br>Smaller reporting company<br>Emerging growth company

Viant Technology Inc.

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Ticker
DSP
Exchange
Nasdaq
Industry
Services-Computer Programming, Data Processing, Etc.
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
853447553
Phone
949-861-8888
Business address
2722 MICHELSON DRIVE, SUITE 100, IRVINE, CA, 92612
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$662,079
in 2 filings, $662K under 10b5-1 plans

Net −$662,079. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. MADDEN LARRY −$662K Chief Financial Officer sold 14% of stake
Date Insider Transaction Shares Price Value Owned after
2025-06-05 Yang Vivian Director Grant or award +12,382 93,913
2025-06-05 VALDES MAX O Director Grant or award +12,382 31,491
2025-06-05 VALDES MAX O Director Sale −5,062 $13.87 $70K 26,429
2025-06-05 Wilson Brett Director Grant or award +12,382 35,919
2025-05-20 VALDES MAX O Director Gift −44,343 19,109
2025-05-12 Wilson Brett Director Grant or award +22,788 22,788
2025-05-12 Wilson Brett Director Grant or award +749 23,537
2025-03-18 MADDEN LARRY Chief Financial Officer Grant or award +50,975 449,526
2025-03-15 MADDEN LARRY Chief Financial Officer Grant or award +112,423 398,551
2025-03-10 Vanderhook Christopher Chief Operating Officer Returned to the company −92,204 $13.32 $1.2M 374,036
2025-03-10 Vanderhook Timothy CEO and Chairman Returned to the company −92,204 $13.32 $1.2M 374,036
2025-03-10 MADDEN LARRY Chief Financial Officer Shares withheld for taxes −58,212 $13.32 $775K 286,128
2025-02-05 MADDEN LARRY Chief Financial Officer Sale 10b5-1 −14,284 $23.12 $330K 344,340
2025-01-02 MADDEN LARRY Chief Financial Officer Sale 10b5-1 −14,284 $18.76 $268K 358,624
2024-12-19 Vanderhook Christopher Chief Operating Officer Option exercise +203,527 $4.44 $904K 669,767
2024-12-19 Vanderhook Christopher Chief Operating Officer Shares withheld for taxes −47,115 $19.18 $904K 622,652
2024-12-19 Vanderhook Christopher Chief Operating Officer Returned to the company −156,412 $19.18 $3.0M 466,240
2024-12-19 Vanderhook Christopher Chief Operating Officer Option exercise · Non-qualified Stock Option (Right to Buy) −203,527 178,105
2024-12-19 Vanderhook Timothy CEO and Chairman Option exercise +203,527 $4.44 $904K 669,767
2024-12-19 Vanderhook Timothy CEO and Chairman Shares withheld for taxes −47,115 $19.18 $904K 622,652

Page 13 of 19 · 368 trades