DSPNasdaq

Viant Technology Inc.

Alert me on DSP

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 15 Sale MADDEN LARRY Insider

1 week

+5.8%S&P −1.0%

1 month

Result in9 trading days

3 months

Result in51 trading days

6 months

Result in114 trading days

Sep 19 Sale MADDEN LARRY Insider

1 week

−3.3%S&P −1.0%

1 month

+6.2%S&P −0.6%

3 months

Result in33 trading days

6 months

Result in96 trading days

Aug 14 Sale MADDEN LARRY Insider

1 week

−4.3%S&P −1.4%

1 month

−3.2%S&P −2.4%

3 months

Result in8 trading days

6 months

Result in71 trading days

Jul 28 Sale MADDEN LARRY Insider

1 week

+12.5%S&P +4.1%

1 month

+9.4%S&P +3.4%

3 months

+21.7%S&P +3.6%

6 months

Result in58 trading days

Jul 24 Sale Vanderhook Christopher Insider

1 week

+10.0%S&P +1.1%

1 month

+14.4%S&P +3.3%

3 months

+27.1%S&P +3.6%

6 months

Result in56 trading days

Show all 47

Jul 24 Sale Vanderhook Timothy Insider

1 week

+10.0%S&P +1.1%

1 month

+14.4%S&P +3.3%

3 months

+27.1%S&P +3.6%

6 months

Result in56 trading days

Jul 24 Sale Capital V LLC Insider

1 week

+10.0%S&P +1.1%

1 month

+14.4%S&P +3.3%

3 months

+27.1%S&P +3.6%

6 months

Result in56 trading days

Jul 9 Sale MADDEN LARRY Insider

1 week

−6.6%S&P −0.1%

1 month

−0.4%S&P +2.9%

3 months

−3.8%S&P +3.6%

6 months

Result in45 trading days

Jun 19 Sale Vanderhook Timothy Insider

1 week

+22.2%S&P −0.5%

1 month

+2.8%S&P +0.4%

3 months

+18.0%S&P +4.2%

6 months

Result in33 trading days

Jun 19 Sale Capital V LLC Insider

1 week

+22.2%S&P −0.5%

1 month

+2.8%S&P +0.4%

3 months

+18.0%S&P +4.2%

6 months

Result in33 trading days

Jun 19 Sale Vanderhook Christopher Insider

1 week

+22.2%S&P −0.5%

1 month

+2.8%S&P +0.4%

3 months

+18.0%S&P +4.2%

6 months

Result in33 trading days

Jun 16 Sale MADDEN LARRY Insider

1 week

−2.0%S&P −2.0%

1 month

+1.1%S&P −0.7%

3 months

+8.8%S&P +0.8%

6 months

Result in30 trading days

Jun 16 Sale Vanderhook Timothy Insider

1 week

−2.0%S&P −2.0%

1 month

+1.1%S&P −0.7%

3 months

+8.8%S&P +0.8%

6 months

Result in30 trading days

Jun 16 Sale Vanderhook Christopher Insider

1 week

−2.0%S&P −2.0%

1 month

+1.1%S&P −0.7%

3 months

+8.8%S&P +0.8%

6 months

Result in30 trading days

Jun 11 Sale VALDES MAX O Insider

1 week

+0.7%S&P +1.5%

1 month

+13.8%S&P +2.2%

3 months

+12.7%S&P +3.9%

6 months

Result in27 trading days

Jun 9 Sale MADDEN LARRY Insider

1 week

−4.3%S&P +1.8%

1 month

+10.9%S&P +2.7%

3 months

+7.9%S&P +3.7%

6 months

Result in25 trading days

May 22 Sale Vanderhook Christopher Insider

1 week

+21.5%S&P +1.7%

1 month

−0.4%S&P −1.4%

3 months

+9.4%S&P +2.7%

6 months

Result in14 trading days

May 22 Sale Vanderhook Timothy Insider

1 week

+21.5%S&P +1.7%

1 month

−0.4%S&P −1.4%

3 months

+9.4%S&P +2.7%

6 months

Result in14 trading days

May 22 Sale Capital V LLC Insider

1 week

+21.5%S&P +1.7%

1 month

−0.4%S&P −1.4%

3 months

+9.4%S&P +2.7%

6 months

Result in14 trading days

May 13 Sale MADDEN LARRY Insider

1 week

+4.5%S&P −0.1%

1 month

+5.9%S&P −0.1%

3 months

+23.9%S&P +5.1%

6 months

Result in7 trading days

Apr 24 Sale MADDEN LARRY Insider

1 week

+7.8%S&P +0.9%

1 month

+4.8%S&P +5.1%

3 months

+7.0%S&P +3.8%

6 months

+30.8%S&P +7.0%

Apr 23 Sale Vanderhook Timothy Insider

1 week

+6.8%S&P +1.4%

1 month

+10.0%S&P +5.2%

3 months

+5.2%S&P +4.6%

6 months

+33.7%S&P +8.4%

Apr 23 Sale Capital V LLC Insider

1 week

+6.8%S&P +1.4%

1 month

+10.0%S&P +5.2%

3 months

+5.2%S&P +4.6%

6 months

+33.7%S&P +8.4%

Apr 23 Sale Vanderhook Christopher Insider

1 week

+6.8%S&P +1.4%

1 month

+10.0%S&P +5.2%

3 months

+5.2%S&P +4.6%

6 months

+33.7%S&P +8.4%

Apr 8 Sale MADDEN LARRY Insider

1 week

+10.0%S&P +3.5%

1 month

+11.6%S&P +8.2%

3 months

+26.1%S&P +11.5%

6 months

+21.3%S&P +15.6%

Apr 4 Sale MADDEN LARRY Insider

1 week

−11.4%S&P +4.1%

1 month

+3.1%S&P +9.8%

3 months

+12.2%S&P +13.8%

6 months

+7.4%S&P +18.2%

Mar 20 Sale Vanderhook Christopher Insider

1 week

−5.5%S&P −2.2%

1 month

−6.2%S&P +8.6%

3 months

−5.7%S&P +15.1%

6 months

+11.2%S&P +19.9%

Mar 20 Sale Vanderhook Timothy Insider

1 week

−5.5%S&P −2.2%

1 month

−6.2%S&P +8.6%

3 months

−5.7%S&P +15.1%

6 months

+11.2%S&P +19.9%

Mar 20 Sale Capital V LLC Insider

1 week

−5.5%S&P −2.2%

1 month

−6.2%S&P +8.6%

3 months

−5.7%S&P +15.1%

6 months

+11.2%S&P +19.9%

Mar 18 Sale MADDEN LARRY Insider

1 week

−9.6%S&P −0.4%

1 month

−1.4%S&P +7.7%

3 months

−6.9%S&P +12.3%

6 months

−14.9%S&P +15.9%

Feb 20 Sale Capital V LLC Insider

1 week

+6.6%S&P −0.5%

1 month

+20.6%S&P −4.7%

3 months

+15.8%S&P +8.0%

6 months

+31.1%S&P +11.7%

Feb 20 Sale Vanderhook Timothy Insider

1 week

+6.6%S&P −0.5%

1 month

+20.6%S&P −4.7%

3 months

+15.8%S&P +8.0%

6 months

+31.1%S&P +11.7%

Feb 20 Sale Vanderhook Christopher Insider

1 week

+6.6%S&P −0.5%

1 month

+20.6%S&P −4.7%

3 months

+15.8%S&P +8.0%

6 months

+31.1%S&P +11.7%

Jan 27 Sale MADDEN LARRY Insider

1 week

−11.1%S&P −0.9%

1 month

−22.9%S&P −0.9%

3 months

−17.0%S&P +2.6%

6 months

−10.0%S&P +5.4%

Jan 23 Sale Capital V LLC Insider

1 week

−7.6%S&P +0.4%

1 month

−28.4%S&P −0.3%

3 months

−17.4%S&P +3.9%

6 months

−11.7%S&P +7.8%

Jan 23 Sale Vanderhook Timothy Insider

1 week

−7.6%S&P +0.4%

1 month

−28.4%S&P −0.3%

3 months

−17.4%S&P +3.9%

6 months

−11.7%S&P +7.8%

Jan 23 Sale Vanderhook Christopher Insider

1 week

−7.6%S&P +0.4%

1 month

−28.4%S&P −0.3%

3 months

−17.4%S&P +3.9%

6 months

−11.7%S&P +7.8%

Dec 20, 2025 Sale Capital V LLC Insider

1 week

−0.1%S&P +0.3%

1 month

+7.7%S&P +0.6%

3 months

−10.4%S&P −3.8%

6 months

−7.5%S&P +7.8%

Dec 20, 2025 Sale Vanderhook Timothy Insider

1 week

−0.1%S&P +0.3%

1 month

+7.7%S&P +0.6%

3 months

−10.4%S&P −3.8%

6 months

−7.5%S&P +7.8%

Dec 20, 2025 Sale Vanderhook Christopher Insider

1 week

−0.1%S&P +0.3%

1 month

+7.7%S&P +0.6%

3 months

−10.4%S&P −3.8%

6 months

−7.5%S&P +7.8%

Dec 19, 2025 Sale Capital V LLC Insider

1 week

+1.4%S&P +1.1%

1 month

+8.4%S&P +1.2%

3 months

−6.4%S&P −3.8%

6 months

−5.3%S&P +8.3%

Dec 19, 2025 Sale MADDEN LARRY Insider

1 week

+1.4%S&P +1.1%

1 month

+8.4%S&P +1.2%

3 months

−6.4%S&P −3.8%

6 months

−5.3%S&P +8.3%

Dec 19, 2025 Sale Vanderhook Christopher Insider

1 week

+1.4%S&P +1.1%

1 month

+8.4%S&P +1.2%

3 months

−6.4%S&P −3.8%

6 months

−5.3%S&P +8.3%

Dec 19, 2025 Sale Vanderhook Timothy Insider

1 week

+1.4%S&P +1.1%

1 month

+8.4%S&P +1.2%

3 months

−6.4%S&P −3.8%

6 months

−5.3%S&P +8.3%

Sep 18, 2025 Sale Vanderhook Christopher Insider

1 week

−8.2%S&P −0.4%

1 month

−13.2%S&P +0.6%

3 months

+22.8%S&P +1.7%

6 months

+21.1%S&P −1.2%

Sep 18, 2025 Sale MADDEN LARRY Insider

1 week

−8.2%S&P −0.4%

1 month

−13.2%S&P +0.6%

3 months

+22.8%S&P +1.7%

6 months

+21.1%S&P −1.2%

Sep 18, 2025 Sale Vanderhook Timothy Insider

1 week

−8.2%S&P −0.4%

1 month

−13.2%S&P +0.6%

3 months

+22.8%S&P +1.7%

6 months

+21.1%S&P −1.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for DSP

90 held · newest 590 held · newest 2

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See all 90 filings for DSP

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Sep 30, 2026 Schedule 13G, amended

ROYCE & ASSOCIATES LP: 6.6%, 1,392,004 shares

Jun 15, 2026 Schedule 13D, amended

Larry Madden: 5.1%, 1,076,418 shares

Mar 31, 2026 Schedule 13G

Timothy Vanderhook: 32.4%, 8,702,144 shares

Mar 31, 2026 Schedule 13G

Christopher Vanderhook: 32.8%, 8,787,144 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G

ROYCE & ASSOCIATES LP: 5.5%, 912,043 shares

Jan 9, 2026 Schedule 13D, amended

Larry Madden: 6.9%, 1,226,769 shares

Jan 9, 2026 Schedule 13D, amended

Larry Madden: 7.8%, 1,401,423 shares

Dec 15, 2025 Schedule 13D, amended

Larry Madden: 6.3%, 1,114,384 shares

Sep 30, 2025 Schedule 13G

Capital V LLC: 62.3%, 27,509,326 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.