Viant Technology Inc. (DSP) has 11 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 7 sales totalling $1.9M. Most recent filing: Sept. 18, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 18, 2026 filed Sept. 16, 2026 | MADDEN LARRY Chief Financial Officer | −$390,019 | 31,644 | −8% | Yes | |
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| Sept. 14, 2026 filed Sept. 10, 2026 | Vanderhook Christopher Chief Operating Officer | $110,023 | 8,636 | −3% | No | |
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| Sept. 14, 2026 filed Sept. 10, 2026 | Vanderhook Timothy CEO and Chairman | $110,023 | 8,636 | −4% | No | |
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| Sept. 14, 2026 filed Sept. 10, 2026 | MADDEN LARRY Chief Financial Officer | $305,964 | 24,016 | −6% | No | |
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| Aug. 13, 2026 filed Aug. 11, 2026 | MADDEN LARRY Chief Financial Officer | −$358,514 | 27,451 | −6% | Yes | |
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Showing the 5 most recent of 11 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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