Skip to contentKnopper Douglas S — MAGNITE, INC. insider: 29 transactions · InsiderLensInsider trading activity of Knopper Douglas S
- Transactions on record
- 29
- since Jan 26, 2006
- Open-market buys
- 0
- Open-market sells
- 8
- $904.6K
- Companies traded
- 4
- last filing Jun 17, 2026
Figures computed from official regulatory filings — methodology.
Companies where Knopper Douglas S has traded
Track record of Knopper Douglas S
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Knopper Douglas S
Co-insiders of Knopper Douglas S
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FRANKENBERG ROBERT JMAGNITE, INC. +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 17, 2026 | Sell | -37,337 | 18.10 USD | — | SEC |
| Jun 10, 2026 | Award | 13,798 | 0.00 USD | $0 | SEC |
| Jun 10, 2026 | Sell | -10,766 | 15.73 USD | $169.3K | SEC |
| Jun 6, 2025 | Award | 10,766 | 0.00 USD | $0 | SEC |
| Jun 13, 2024 | Award | 14,061 | 0.00 USD | $0 | SEC |
| Jun 16, 2023 | Award | 13,743 | 0.00 USD | $0 | SEC |
| Jun 9, 2022 | Award | 16,489 | 0.00 USD | $0 | SEC |
| Jul 13, 2021 | Sell | -9,010 | 32.68 USD | $294.4K | SEC |
| Jul 13, 2021 | Sell | -1,190 | 33.61 USD | $40K | SEC |
| Jun 30, 2021 | Award | 3,936 | 0.00 USD | $0 | SEC |
| Apr 7, 2021 | Sell | -500 | 42.55 USD | $21.3K | SEC |
| Apr 7, 2021 | Sell | -4,923 | 39.55 USD | $194.7K | SEC |
| Apr 7, 2021 | Sell | -200 | 41.53 USD | $8.3K | SEC |
| Apr 7, 2021 | Sell | -4,377 | 40.32 USD | $176.5K | SEC |
| Jul 16, 2020 | Award | 18,436 | 0.00 USD | $0 | SEC |
| Apr 3, 2020 | Other | -84,757 | — | — | SEC |
| Apr 3, 2020 | OtherD | -10,330 | 0.00 USD | $0 | SEC |
| Apr 3, 2020 | Award | 102,884 | — | — | SEC |
| Oct 17, 2019 | ExerciseD | -68,729 | 0.00 USD | $0 | SEC |
| Oct 17, 2019 | Exercise | 68,729 | — | — | SEC |
| Jun 12, 2019 | Exercise | 16,028 | — | — | SEC |
| Jun 12, 2019 | AwardD | 10,330 | 0.00 USD | $0 | SEC |
| Jun 12, 2019 | ExerciseD | -16,028 | 0.00 USD | $0 | SEC |
| Oct 19, 2018 | AwardD | 16,028 | 0.00 USD | $0 | SEC |
| Oct 19, 2018 | AwardD | 68,729 | 0.00 USD | $0 | SEC |