DSP Viant Technology Inc.
Nasdaq · SEC CIK 1828791 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $9.26M 45 sales by 5 insiders
- Filings on record
- 128 since 2021-08-11, latest 2026-09-18 20:37
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Capital V LLC | 10% | — | $3.34M |
| MADDEN LARRY | CFO | — | $3.20M |
| Vanderhook Christopher | COO, Dir, 10% | — | $1.32M |
| Vanderhook Timothy | CEO, COB, Dir, 10% | — | $1.32M |
| VALDES MAX O | Dir | — | $80.5K |
| Yang Vivian | Dir | — | — |
| Wilson Brett | Dir | — | — |
| Abrahams Craig Justin | Dir | — | — |
Transactions 200
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-12-18 | 2025-12-17 | DSP | Vanderhook Christopher | COO, Dir, 10% | S - Sale+OE | $11.70 | -9,102 | 347.2K | -3% | -$106.5K |
| DMI | 2025-12-18 | 2025-12-17+ | DSP | Vanderhook Christopher | COO, Dir, 10% | S - Sale+OE | $11.84 | -10.0K | 7,500 | -57% | -$118.4K |
| 2025-12-18 | 2025-12-17 | DSP | MADDEN LARRY | CFO | S - Sale | $11.70 | -13.5K | 409.8K | -3% | -$157.7K | |
| D | 2025-12-18 | 2025-12-16 | DSP | Capital V LLC | 10% | M - OptEx | $0.00 | +37.5K | 37.5K | New | $0 |
| D | 2025-12-18 | 2025-12-16 | DSP | Capital V LLC | 10% | D - Sale to Iss | $0.00 | -37.5K | 27.47M | -0.1% | $0 |
| DM | 2025-12-18 | 2025-12-17+ | DSP | Capital V LLC | 10% | S - Sale+OE | $11.84 | -30.0K | 7,500 | -80% | -$355.1K |
| D | 2025-12-18 | 2025-12-17 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | S - Sale+OE | $11.70 | -9,102 | 347.2K | -3% | -$106.5K |
| DI | 2025-12-18 | 2025-12-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | M - OptEx | $0.00 | +12.5K | 12.5K | New | $0 |
| DI | 2025-12-18 | 2025-12-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | D - Sale to Iss | $0.00 | -12.5K | 9.16M | -0.1% | $0 |
| DMI | 2025-12-18 | 2025-12-17+ | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | S - Sale+OE | $11.84 | -10.0K | 2,500 | -80% | -$118.4K |
| D | 2025-12-18 | 2025-12-18 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | G - Gift | $0.00 | -85.0K | 262.2K | -24% | $0 |
| D | 2025-09-17 | 2025-09-16 | DSP | Capital V LLC | 10% | M - OptEx | $0.00 | +941.8K | 941.8K | New | $0 |
| DM | 2025-09-17 | 2025-09-16+ | DSP | Capital V LLC | 10% | D - Sale to Iss | $4.78 | -1.88M | 27.51M | -6% | -$9.00M |
| 2025-09-17 | 2025-09-15 | DSP | MADDEN LARRY | CFO | S - Sale | $9.73 | -13.0K | 423.3K | -3% | -$126.5K | |
| DMI | 2025-09-17 | 2025-09-16+ | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | D - Sale to Iss | $4.78 | -627.9K | 9.17M | -6% | -$3.00M |
| D | 2025-09-17 | 2025-09-15 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | S - Sale+OE | $9.73 | -8,782 | 356.3K | -2% | -$85.4K |
| DI | 2025-09-17 | 2025-09-16 | DSP | Vanderhook Timothy | CEO, COB, Dir, 10% | M - OptEx | $0.00 | +313.9K | 313.9K | New | $0 |
| D | 2025-09-17 | 2025-09-15 | DSP | Vanderhook Christopher | COO, Dir, 10% | S - Sale+OE | $9.73 | -8,782 | 356.3K | -2% | -$85.4K |
| DI | 2025-09-17 | 2025-09-16 | DSP | Vanderhook Christopher | COO, Dir, 10% | M - OptEx | $0.00 | +313.9K | 313.9K | New | $0 |
| DMI | 2025-09-17 | 2025-09-16+ | DSP | Vanderhook Christopher | COO, Dir, 10% | D - Sale to Iss | $4.78 | -627.9K | 0 | -100% | -$3.00M |
| 2025-06-13 | 2025-06-13 | DSP | Vanderhook Christopher | COO, Dir | S - Sale | $13.08 | -8,960 | 365.1K | -2% | -$117.2K | |
| 2025-06-13 | 2025-06-13 | DSP | MADDEN LARRY | CFO | S - Sale | $13.08 | -13.3K | 436.3K | -3% | -$173.5K | |
| 2025-06-13 | 2025-06-13 | DSP | Vanderhook Timothy | CEO, COB, Dir | S - Sale | $13.08 | -8,960 | 365.1K | -2% | -$117.2K | |
| 2025-06-09 | 2025-06-05 | DSP | VALDES MAX O | Dir | A - Grant | $0.00 | +12.4K | 31.5K | +65% | $0 | |
| M | 2025-06-09 | 2025-06-05+ | DSP | VALDES MAX O | Dir | S - Sale | $14.08 | -9,900 | 21.6K | -31% | -$139.3K |
| 2025-06-09 | 2025-06-05 | DSP | Wilson Brett | Dir | A - Grant | $0.00 | +12.4K | 35.9K | +53% | $0 | |
| 2025-06-09 | 2025-06-05 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +12.4K | 93.9K | +15% | $0 | |
| 2025-05-21 | 2025-05-20 | DSP | VALDES MAX O | Dir | G - Gift | $0.00 | -44.3K | 19.1K | -70% | $0 | |
| M | 2025-05-14 | 2025-05-12 | DSP | Wilson Brett | Dir | A - Grant | $0.00 | +23.5K | 23.5K | New | $0 |
| M | 2025-03-18 | 2025-03-15+ | DSP | MADDEN LARRY | CFO | A - Grant | $0.00 | +163.4K | 449.5K | +57% | $0 |
| 2025-03-11 | 2025-03-10 | DSP | MADDEN LARRY | CFO | F - Tax | $13.32 | -58.2K | 286.1K | -17% | -$775.4K | |
| 2025-03-11 | 2025-03-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $13.32 | -92.2K | 374.0K | -20% | -$1.23M | |
| 2025-03-11 | 2025-03-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $13.32 | -92.2K | 374.0K | -20% | -$1.23M | |
| 2025-02-07 | 2025-02-05 | DSP | MADDEN LARRY | CFO | S - Sale | $23.12 | -14.3K | 344.3K | -4% | -$330.2K | |
| 2025-01-03 | 2025-01-02 | DSP | MADDEN LARRY | CFO | S - Sale | $18.76 | -14.3K | 358.6K | -4% | -$268.0K | |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Timothy | CEO, COB, Dir | M - OptEx | $4.44 | +203.5K | 669.8K | +44% | +$903.7K |
| D | 2024-12-20 | 2024-12-18 | DSP | Vanderhook Timothy | CEO, COB, Dir | G - Gift | $0.00 | -31.6K | 466.2K | -6% | $0 |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $19.18 | -156.4K | 466.2K | -25% | -$3.00M |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Timothy | CEO, COB, Dir | F - Tax | $19.18 | -47.1K | 622.7K | -7% | -$903.7K |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $19.18 | -156.4K | 466.2K | -25% | -$3.00M |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Christopher | COO, Dir | F - Tax | $19.18 | -47.1K | 622.7K | -7% | -$903.7K |
| D | 2024-12-20 | 2024-12-19 | DSP | Vanderhook Christopher | COO, Dir | M - OptEx | $4.44 | +203.5K | 669.8K | +44% | +$903.7K |
| D | 2024-12-20 | 2024-12-18 | DSP | Vanderhook Christopher | COO, Dir | G - Gift | $0.00 | -31.6K | 466.2K | -6% | $0 |
| 2024-12-12 | 2024-12-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $21.37 | -8,636 | 497.8K | -2% | -$184.6K | |
| 2024-12-12 | 2024-12-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $21.37 | -8,636 | 497.8K | -2% | -$184.6K | |
| 2024-12-12 | 2024-12-10 | DSP | MADDEN LARRY | CFO | F - Tax | $21.37 | -5,442 | 372.9K | -1% | -$116.3K | |
| 2024-12-09 | 2024-12-06 | DSP | VALDES MAX O | Dir | S - Sale | $20.51 | -7,500 | 63.5K | -11% | -$153.8K | |
| 2024-12-05 | 2024-12-04 | DSP | MADDEN LARRY | CFO | S - Sale | $19.51 | -14.3K | 378.4K | -4% | -$278.7K | |
| M | 2024-11-18 | 2024-11-14+ | DSP | MADDEN LARRY | CFO | S - Sale | $15.68 | -135.7K | 461.1K | -23% | -$2.13M |
| 2024-10-30 | 2024-10-28 | DSP | MADDEN LARRY | CFO | S - Sale | $11.57 | -1,498 | 528.4K | -0.3% | -$17.3K | |
| M | 2024-10-11 | 2024-10-09+ | DSP | MADDEN LARRY | CFO | S - Sale | $11.18 | -5,810 | 533.7K | -1% | -$65.0K |
| M | 2024-09-24 | 2024-09-20+ | DSP | MADDEN LARRY | CFO | S - Sale | $11.08 | -6,976 | 541.5K | -1% | -$77.3K |
| 2024-09-12 | 2024-09-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $10.07 | -8,636 | 506.4K | -2% | -$87.0K | |
| 2024-09-12 | 2024-09-10 | DSP | MADDEN LARRY | CFO | F - Tax | $10.07 | -14.0K | 542.6K | -3% | -$141.0K | |
| 2024-09-12 | 2024-09-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $10.07 | -8,636 | 506.4K | -2% | -$87.0K | |
| M | 2024-08-27 | 2024-08-23+ | DSP | MADDEN LARRY | CFO | S - Sale | $11.14 | -7,148 | 559.9K | -1% | -$79.6K |
| 2024-06-12 | 2024-06-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $9.23 | -8,529 | 515.1K | -2% | -$78.7K | |
| 2024-06-12 | 2024-06-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $9.23 | -8,529 | 515.1K | -2% | -$78.7K | |
| 2024-06-12 | 2024-06-10 | DSP | MADDEN LARRY | CFO | F - Tax | $9.23 | -14.0K | 563.8K | -2% | -$129.3K | |
| 2024-06-04 | 2024-06-02 | DSP | Williams Elizabeth Goodman | Dir | D - Sale to Iss | $9.51 | -17.3K | 87.1K | -17% | -$164.7K | |
| 2024-06-04 | 2024-06-04 | DSP | VALDES MAX O | Dir | A - Grant | $0.00 | +18.4K | 71.0K | +35% | $0 | |
| 2024-06-04 | 2024-06-02 | DSP | VALDES MAX O | Dir | D - Sale to Iss | $9.51 | -17.3K | 52.6K | -25% | -$164.7K | |
| 2024-06-04 | 2024-06-04 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +18.4K | 81.5K | +29% | $0 | |
| 2024-06-04 | 2024-06-02 | DSP | Yang Vivian | Dir | D - Sale to Iss | $9.51 | -17.3K | 63.2K | -22% | -$164.7K | |
| D | 2024-03-19 | 2024-03-15 | DSP | Vanderhook Timothy | CEO, COB, Dir | A - Grant | $0.00 | +194.4K | 523.6K | +59% | $0 |
| D | 2024-03-19 | 2024-03-15 | DSP | MADDEN LARRY | CFO | A - Grant | $0.00 | +121.5K | 577.8K | +27% | $0 |
| D | 2024-03-19 | 2024-03-15 | DSP | Vanderhook Christopher | COO, Dir | A - Grant | $0.00 | +194.4K | 523.6K | +59% | $0 |
| 2024-03-12 | 2024-03-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $10.13 | -82.5K | 329.2K | -20% | -$836.1K | |
| 2024-03-12 | 2024-03-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $10.13 | -82.5K | 329.2K | -20% | -$836.1K | |
| 2024-03-12 | 2024-03-10 | DSP | MADDEN LARRY | CFO | F - Tax | $10.13 | -61.2K | 456.3K | -12% | -$620.2K | |
| 2023-12-12 | 2023-12-10 | DSP | MADDEN LARRY | CFO | F - Tax | $7.38 | -16.8K | 517.5K | -3% | -$123.8K | |
| 2023-09-11 | 2023-09-10 | DSP | MADDEN LARRY | CFO | F - Tax | $6.64 | -16.8K | 534.3K | -3% | -$111.4K | |
| M | 2023-06-15 | 2023-06-13+ | DSP | VALDES MAX O | Dir | S - Sale | $4.38 | -10.3K | 75.1K | -12% | -$45.0K |
| 2023-06-12 | 2023-06-10 | DSP | MADDEN LARRY | CFO | F - Tax | $4.24 | -16.8K | 551.1K | -3% | -$71.2K | |
| 2023-06-06 | 2023-06-02 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +32.9K | 80.5K | +69% | $0 | |
| 2023-06-06 | 2023-06-02 | DSP | Williams Elizabeth Goodman | Dir | A - Grant | $0.00 | +32.9K | 104.5K | +46% | $0 | |
| 2023-06-06 | 2023-06-02 | DSP | VALDES MAX O | Dir | A - Grant | $0.00 | +32.9K | 80.2K | +70% | $0 | |
| D | 2023-03-14 | 2023-03-10 | DSP | Vanderhook Timothy | CEO, COB, Dir | D - Sale to Iss | $4.13 | -35.1K | 411.7K | -8% | -$145.0K |
| D | 2023-03-14 | 2023-03-07 | DSP | Vanderhook Timothy | CEO, COB, Dir | A - Grant | $0.00 | +180.2K | 446.8K | +68% | $0 |
| D | 2023-03-14 | 2023-03-07 | DSP | MADDEN LARRY | CFO | A - Grant | $0.00 | +112.6K | 606.6K | +23% | $0 |
| D | 2023-03-14 | 2023-03-10 | DSP | MADDEN LARRY | CFO | F - Tax | $4.13 | -38.7K | 567.9K | -6% | -$159.9K |
| D | 2023-03-14 | 2023-03-10 | DSP | Vanderhook Christopher | COO, Dir | D - Sale to Iss | $4.13 | -35.1K | 411.7K | -8% | -$145.0K |
| D | 2023-03-14 | 2023-03-07 | DSP | Vanderhook Christopher | COO, Dir | A - Grant | $0.00 | +180.2K | 446.8K | +68% | $0 |
| 2022-12-12 | 2022-12-10 | DSP | MADDEN LARRY | CFO | F - Tax | $3.39 | -16.8K | 494.0K | -3% | -$56.9K | |
| 2022-09-13 | 2022-09-10 | DSP | MADDEN LARRY | CFO | F - Tax | $4.86 | -16.8K | 510.8K | -3% | -$81.6K | |
| 2022-08-25 | 2022-08-23 | DSP | Williams Elizabeth Goodman | Dir | A - Grant | $0.00 | +10.1K | 71.6K | +16% | $0 | |
| 2022-08-25 | 2022-08-23 | DSP | VALDES MAX O | Dir | A - Grant | $0.00 | +10.1K | 47.3K | +27% | $0 | |
| 2022-08-25 | 2022-08-23 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +1,512 | 47.6K | +3% | $0 | |
| 2022-06-14 | 2022-06-10 | DSP | MADDEN LARRY | CFO | F - Tax | $6.16 | -16.8K | 527.5K | -3% | -$103.4K | |
| 2022-06-06 | 2022-06-02 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +24.5K | 46.1K | +114% | $0 | |
| 2022-06-06 | 2022-06-02 | DSP | Williams Elizabeth Goodman | Dir | A - Grant | $0.00 | +24.5K | 61.5K | +66% | $0 | |
| 2022-06-06 | 2022-06-02 | DSP | VALDES MAX O | Dir | A - Grant | $0.00 | +24.5K | 37.3K | +192% | $0 | |
| D | 2022-03-17 | 2022-03-15 | DSP | MADDEN LARRY | CFO | A - Grant | $0.00 | +166.7K | 544.3K | +44% | $0 |
| D | 2022-03-17 | 2022-03-14 | DSP | MADDEN LARRY | CFO | S - Sale | $6.08 | -21.6K | 377.7K | -5% | -$131.5K |
| D | 2022-03-17 | 2022-03-15 | DSP | Vanderhook Christopher | COO, Dir | A - Grant | $0.00 | +266.7K | 266.7K | New | $0 |
| D | 2022-03-17 | 2022-03-15 | DSP | Vanderhook Timothy | CEO, COB, Dir | A - Grant | $0.00 | +266.7K | 266.7K | New | $0 |
| 2022-01-14 | 2021-12-10 | DSP | MADDEN LARRY | CFO | F - Tax | $9.41 | -16.8K | 399.3K | -4% | -$157.9K | |
| M | 2021-12-09 | 2021-12-07 | DSP | Yang Vivian | Dir | A - Grant | $0.00 | +21.6K | 15.0K | New | $0 |
| 2021-09-15 | 2021-09-13 | DSP | MADDEN LARRY | CFO | S - Sale | $12.51 | -18.4K | 416.1K | -4% | -$230.2K | |
| 2021-08-11 | 2021-08-09 | DSP | MADDEN LARRY | CFO | F - Tax | $17.73 | -75.5K | 434.5K | -15% | -$1.34M |
Purchase Sale Sale after option exercise All abbreviations