Form4insider filings, from the source

Company · CIK 0001828791 · SIC 7370 — Services-Computer Programming, Data Processing, Etc. · Nasdaq

Viant Technology Inc. · DSP

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $390k · 1net −$390k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 22Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 SForm 4 →Sep 18, 8:37 pm EDTLarry MaddenChief Financial Officer31,644$12.33$390,019342,711−8.45%10b5-1
Sep 10, 2026 DForm 4 →Sep 14, 7:33 pm EDTChristopher VanderhookChief Operating Officer, Director, 10% Owner8,636$12.74$110,023285,244—
Sep 10, 2026 DForm 4 →Sep 14, 7:30 pm EDTTimothy VanderhookCEO and Chairman, Director, 10% Owner8,636$12.74$110,023200,244—
Sep 10, 2026 FForm 4 →Sep 14, 7:27 pm EDTLarry MaddenChief Financial Officer24,016$12.74$305,964374,355—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.