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DSP

Viant Technology (DSP) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $13.13 -0.2% on the day +52.5% over 12 months 52-week range $8.14 – $14.09

Share price and insider trades

DSP closeInsider buyInsider sale
810121416NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $21,604 on 2026-03-13 · Larry MaddenSold $40,530 on 2026-06-09 · Max O ValdesSold $82,529 on 2026-04-06 · Larry MaddenSold $83,511 on 2026-04-01 · Larry MaddenSold $110,833 on 2026-04-02 · Larry MaddenSold $117,656 on 2026-07-07 · Larry MaddenSold $129,040 on 2026-07-06 · Larry MaddenSold $129,865 on 2026-04-23 · Larry MaddenSold $134,875 on 2026-05-21 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $137,000 on 2026-06-18 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $143,054 on 2026-07-08 · Larry MaddenSold $147,375 on 2025-12-19 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $150,333 on 2026-02-19 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $166,732 on 2026-03-19 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $176,684 on 2026-09-18 · Larry MaddenSold $186,966 on 2026-07-21 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $188,858 on 2026-02-17 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $197,574 on 2026-05-11 · Larry MaddenSold $213,366 on 2026-09-16 · Larry MaddenSold $216,985 on 2026-02-18 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $217,437 on 2026-06-08 · Larry Madden, Max O ValdesSold $219,675 on 2026-05-08 · Larry MaddenSold $220,929 on 2026-01-22 · Capital V Llc, Christopher Vanderhook, Larry Madden, Timothy VanderhookSold $228,435 on 2026-06-05 · Larry MaddenSold $255,396 on 2026-07-23 · Capital V Llc, Christopher Vanderhook, Larry Madden, Timothy VanderhookSold $265,000 on 2026-05-20 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $272,250 on 2026-05-19 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $275,750 on 2026-07-22 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $277,250 on 2026-06-17 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $278,000 on 2026-04-20 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $279,250 on 2026-06-16 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $292,601 on 2026-04-22 · Capital V Llc, Christopher Vanderhook, Larry Madden, Timothy VanderhookSold $295,000 on 2026-03-17 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $298,250 on 2025-12-18 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $298,500 on 2026-01-20 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $300,000 on 2026-03-18 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $301,471 on 2026-01-21 · Capital V Llc, Christopher Vanderhook, Timothy VanderhookSold $358,617 on 2026-08-11 · Larry MaddenSold $401,510 on 2026-04-21 · Capital V Llc, Christopher Vanderhook, Larry Madden, Timothy VanderhookSold $484,249 on 2026-06-15 · Christopher Vanderhook, Larry Madden, Timothy VanderhookSold $664,168 on 2025-12-17 · Capital V Llc, Christopher Vanderhook, Larry Madden, Timothy Vanderhook
Bought, 12 months$0
Sold, 12 months$9.3M
Insiders buying0
Insiders selling5

Viant Technology insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 5 sold $9.3M of DSP stock on the open market.

DSP insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $1.1M sold (12 trades)Q4 2025Q1 2026: $2.2M sold (29 trades)Q1 2026Q2 2026: $4.1M sold (43 trades)Q2 2026Q3 2026: $1.9M sold (17 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$1.9M17
Q2 2026—0$4.1M43
Q1 2026—0$2.2M29
Q4 2025—0$1.1M12

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.7×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Viant Technology Inc. insiders reported open-market purchases totaling $0, while 5 insiders reported sales totaling $9.3M. 95 of 101 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 18SEC Larry MaddenCFO Sell Plan 17,042357,313 held (−5%) $12.52 $213K +4.9% —
Sep 18SEC Larry MaddenCFO Sell Plan 14,602342,711 held (−4%) $12.10 $177K +8.5% —
Aug 13SEC Larry MaddenCFO Sell Plan 26,020399,802 held (−6%) $13.03 $339K +0.8% —
Aug 13SEC Larry MaddenCFO Sell Plan 1,431398,371 held (−0%) $13.68 $20K -4.0% —
Jul 27SEC Larry MaddenCFO Sell Plan 2,814425,822 held (−1%) $10.69 $30K +22.8% —
Jul 23SEC Capital V Llc10% Owner Sell Plan 15,00012,912 held (−54%) $11.03 $165K +19.0% —
Jul 23SEC Capital V Llc10% Owner Sell Plan 12,912 $10.47 $135K +25.4% —
Jul 23SEC Capital V Llc10% Owner Sell Plan 9,58827,912 held (−26%) $11.70 $112K +12.2% —
Jul 23SEC Timothy VanderhookCEO, Chair Sell Plan 5,0004,304 held (−54%) $11.03 $55K +19.0% —
Jul 23SEC Christopher VanderhookCOO Sell Plan 5,0004,304 held (−54%) $11.03 $55K +19.0% —
Jul 23SEC Timothy VanderhookCEO, Chair Sell Plan 4,304 $10.47 $45K +25.4% —
Jul 23SEC Christopher VanderhookCOO Sell Plan 4,304 $10.47 $45K +25.4% —
Jul 23SEC Timothy VanderhookCEO, Chair Sell Plan 3,1969,304 held (−26%) $11.70 $37K +12.2% —
Jul 23SEC Christopher VanderhookCOO Sell Plan 3,1969,304 held (−26%) $11.70 $37K +12.2% —
Jul 8SEC Larry MaddenCFO Sell Plan 11,273428,636 held (−3%) $12.69 $143K +3.5% —
Jul 8SEC Larry MaddenCFO Sell Plan 10,097449,058 held (−2%) $12.78 $129K +2.7% —
Jul 8SEC Larry MaddenCFO Sell Plan 9,149439,909 held (−2%) $12.86 $118K +2.1% —
Jun 18SEC Capital V Llc10% Owner Sell Plan 15,00022,500 held (−40%) $11.17 $168K +17.5% —
Jun 18SEC Capital V Llc10% Owner Sell Plan 15,0007,500 held (−67%) $11.09 $166K +18.4% —
Jun 18SEC Capital V Llc10% Owner Sell Plan 7,500 $10.96 $82K +19.8% —
Jun 18SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,500 held (−40%) $11.17 $56K +17.5% —
Jun 18SEC Christopher VanderhookCOO Sell Plan 5,0007,500 held (−40%) $11.17 $56K +17.5% —
Jun 18SEC Timothy VanderhookCEO, Chair Sell Plan 5,0002,500 held (−67%) $11.09 $55K +18.4% —
Jun 18SEC Christopher VanderhookCOO Sell Plan 5,0002,500 held (−67%) $11.09 $55K +18.4% —
Jun 18SEC Timothy VanderhookCEO, Chair Sell Plan 2,500 $10.96 $27K +19.8% —
Jun 18SEC Christopher VanderhookCOO Sell Plan 2,500 $10.96 $27K +19.8% —
Jun 15SEC Larry MaddenCFO Sell 25,376459,155 held (−5%) $11.10 $282K +18.3% —
Jun 15SEC Christopher VanderhookCOO Sell 9,125293,880 held (−3%) $11.10 $101K +18.3% —
Jun 15SEC Timothy VanderhookCEO, Chair Sell 9,125208,880 held (−4%) $11.10 $101K +18.3% —
Jun 10SEC Max O ValdesDirector Sell 3,38629,449 held (−10%) $11.97 $41K +9.7% —
Jun 10SEC Max O ValdesDirector Sell 3,30032,835 held (−9%) $12.10 $40K +8.5% —
Jun 8SEC Larry MaddenCFO Sell Plan 18,663499,201 held (−4%) $12.24 $228K +7.3% —
Jun 8SEC Larry MaddenCFO Sell Plan 14,670484,531 held (−3%) $12.10 $178K +8.5% —
May 21SEC Capital V Llc10% Owner Sell Plan 15,00022,500 held (−40%) $10.89 $163K +20.6% —
May 21SEC Capital V Llc10% Owner Sell Plan 15,0007,500 held (−67%) $10.60 $159K +23.9% —
May 21SEC Capital V Llc10% Owner Sell Plan 7,500 $10.79 $81K +21.7% —
May 21SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,500 held (−40%) $10.89 $54K +20.6% —
May 21SEC Christopher VanderhookCOO Sell Plan 5,0007,500 held (−40%) $10.89 $54K +20.6% —
May 21SEC Timothy VanderhookCEO, Chair Sell Plan 5,0002,500 held (−67%) $10.60 $53K +23.9% —
May 21SEC Christopher VanderhookCOO Sell Plan 5,0002,500 held (−67%) $10.60 $53K +23.9% —
May 21SEC Timothy VanderhookCEO, Chair Sell Plan 2,500 $10.79 $27K +21.7% —
May 21SEC Christopher VanderhookCOO Sell Plan 2,500 $10.79 $27K +21.7% —
May 12SEC Larry MaddenCFO Sell Plan 18,538535,161 held (−3%) $11.85 $220K +10.8% —
May 12SEC Larry MaddenCFO Sell Plan 13,826521,335 held (−3%) $11.29 $156K +16.3% —
May 12SEC Larry MaddenCFO Sell Plan 3,471517,864 held (−1%) $11.95 $41K +9.9% —
Apr 23SEC Larry MaddenCFO Sell Plan 13,283579,744 held (−2%) $10.91 $145K +20.3% —
Apr 23SEC Larry MaddenCFO Sell Plan 13,263566,481 held (−2%) $10.74 $142K +22.3% —
Apr 23SEC Larry MaddenCFO Sell Plan 12,782553,699 held (−2%) $10.16 $130K +29.2% —
Apr 22SEC Capital V Llc10% Owner Sell Plan 15,00022,500 held (−40%) $11.12 $167K +18.1% —
Apr 22SEC Capital V Llc10% Owner Sell Plan 14,1118,389 held (−63%) $10.91 $154K +20.3% —
Apr 22SEC Capital V Llc10% Owner Sell Plan 8,389 $10.74 $90K +22.3% —
Apr 22SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,500 held (−40%) $11.12 $56K +18.1% —
Apr 22SEC Christopher VanderhookCOO Sell Plan 5,0007,500 held (−40%) $11.12 $56K +18.1% —
Apr 22SEC Timothy VanderhookCEO, Chair Sell Plan 4,7042,796 held (−63%) $10.91 $51K +20.3% —
Apr 22SEC Christopher VanderhookCOO Sell Plan 4,7042,796 held (−63%) $10.91 $51K +20.3% —
Apr 22SEC Timothy VanderhookCEO, Chair Sell Plan 2,796 $10.74 $30K +22.3% —
Apr 22SEC Christopher VanderhookCOO Sell Plan 2,796 $10.74 $30K +22.3% —
Apr 7SEC Larry MaddenCFO Sell Plan 7,297593,027 held (−1%) $11.31 $83K +16.1% —
Apr 3SEC Larry MaddenCFO Sell Plan 10,131600,324 held (−2%) $10.94 $111K +20.0% —
Apr 3SEC Larry MaddenCFO Sell Plan 7,410610,455 held (−1%) $11.27 $84K +16.5% —
Mar 19SEC Capital V Llc10% Owner Sell Plan 15,0008,760 held (−63%) $12.00 $180K +9.4% —
Mar 19SEC Capital V Llc10% Owner Sell Plan 15,00023,760 held (−39%) $11.80 $177K +11.3% —
Mar 19SEC Capital V Llc10% Owner Sell Plan 8,760 $11.42 $100K +15.0% —
Mar 19SEC Timothy VanderhookCEO, Chair Sell Plan 5,0002,920 held (−63%) $12.00 $60K +9.4% —
Mar 19SEC Christopher VanderhookCOO Sell Plan 5,0002,920 held (−63%) $12.00 $60K +9.4% —
Mar 19SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,920 held (−39%) $11.80 $59K +11.3% —
Mar 19SEC Christopher VanderhookCOO Sell Plan 5,0007,920 held (−39%) $11.80 $59K +11.3% —
Mar 19SEC Timothy VanderhookCEO, Chair Sell Plan 2,920 $11.42 $33K +15.0% —
Mar 19SEC Christopher VanderhookCOO Sell Plan 2,920 $11.42 $33K +15.0% —
Mar 17SEC Larry MaddenCFO Sell Plan 1,658368,607 held (−0%) $13.03 $22K +0.8% —
Feb 19SEC Capital V Llc10% Owner Sell Plan 14,16711,096 held (−56%) $9.19 $130K +42.9% —
Feb 19SEC Capital V Llc10% Owner Sell Plan 12,23725,263 held (−33%) $9.26 $113K +41.8% —
Feb 19SEC Capital V Llc10% Owner Sell Plan 9,8361,260 held (−89%) $9.17 $90K +43.2% —
Feb 19SEC Christopher VanderhookCOO Sell Plan 4,7223,699 held (−56%) $9.19 $43K +42.9% —
Feb 19SEC Timothy VanderhookCEO, Chair Sell Plan 4,7223,699 held (−56%) $9.19 $43K +42.9% —
Feb 19SEC Christopher VanderhookCOO Sell Plan 4,0798,421 held (−33%) $9.26 $38K +41.8% —
Feb 19SEC Timothy VanderhookCEO, Chair Sell Plan 4,0798,421 held (−33%) $9.26 $38K +41.8% —
Feb 19SEC Christopher VanderhookCOO Sell Plan 3,279420 held (−89%) $9.17 $30K +43.2% —
Feb 19SEC Timothy VanderhookCEO, Chair Sell Plan 3,279420 held (−89%) $9.17 $30K +43.2% —
Jan 26SEC Larry MaddenCFO Sell Plan 4,224405,554 held (−1%) $13.09 $55K +0.3% —
Jan 22SEC Capital V Llc10% Owner Sell Plan 14,7787,722 held (−66%) $12.24 $181K +7.3% —
Jan 22SEC Capital V Llc10% Owner Sell Plan 15,00022,500 held (−40%) $11.94 $179K +10.0% —
Jan 22SEC Capital V Llc10% Owner Sell Plan 7,722 $12.87 $99K +2.0% —
Jan 22SEC Timothy VanderhookCEO, Chair Sell Plan 4,9262,574 held (−66%) $12.24 $60K +7.3% —
Jan 22SEC Christopher VanderhookCOO Sell Plan 4,9262,574 held (−66%) $12.24 $60K +7.3% —
Jan 22SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,500 held (−40%) $11.94 $60K +10.0% —
Jan 22SEC Christopher VanderhookCOO Sell Plan 5,0007,500 held (−40%) $11.94 $60K +10.0% —
Jan 22SEC Timothy VanderhookCEO, Chair Sell Plan 2,574 $12.87 $33K +2.0% —
Jan 22SEC Christopher VanderhookCOO Sell Plan 2,574 $12.87 $33K +2.0% —
Dec 19SEC Capital V Llc10% Owner Sell Plan 7,500 $11.79 $88K +11.4% —
Dec 19SEC Christopher VanderhookCOO Sell Plan 2,500 $11.79 $29K +11.4% —
Dec 19SEC Timothy VanderhookCEO, Chair Sell Plan 2,500 $11.79 $29K +11.4% —
Dec 18SEC Capital V Llc10% Owner Sell Plan 15,0007,500 held (−67%) $11.93 $179K +10.1% —
Dec 18SEC Capital V Llc10% Owner Sell Plan 15,00022,500 held (−40%) $11.74 $176K +11.8% —
Dec 18SEC Larry MaddenCFO Sell 13,477409,778 held (−3%) $11.70 $158K +12.2% —
Dec 18SEC Christopher VanderhookCOO Sell Plan 9,102347,182 held (−3%) $11.70 $106K +12.2% —
Dec 18SEC Timothy VanderhookCEO, Chair Sell Plan 9,102347,182 held (−3%) $11.70 $106K +12.2% —
Dec 18SEC Christopher VanderhookCOO Sell Plan 5,0002,500 held (−67%) $11.93 $60K +10.1% —
Dec 18SEC Timothy VanderhookCEO, Chair Sell Plan 5,0002,500 held (−67%) $11.93 $60K +10.1% —
Dec 18SEC Christopher VanderhookCOO Sell Plan 5,0007,500 held (−40%) $11.74 $59K +11.8% —
Dec 18SEC Timothy VanderhookCEO, Chair Sell Plan 5,0007,500 held (−40%) $11.74 $59K +11.8% —

Insiders at Viant Technology Inc.

InsiderBoughtSoldLast filingScore
Capital V Llc10% Owner — $3.3M Jul 23, 2026 —
Larry MaddenCFO — $3.2M Sep 18, 2026 —
Timothy VanderhookCEO, Chair — $1.3M Jul 23, 2026 —
Christopher VanderhookCOO — $1.3M Jul 23, 2026 —
Max O ValdesDirector — $80K Jun 10, 2026 —

DSP stock: common questions

Are Viant Technology Inc. insiders buying DSP stock?

In the past 12 months, 0 insiders reported open-market purchases of DSP worth $0.

Are Viant Technology Inc. insiders selling DSP stock?

5 insiders reported sales worth $9.3M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is DSP's 52-week range?

Over the past year DSP has traded between $8.14 and $14.09. It last closed at $13.13 on Oct 9, 2026.