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Knopper Douglas S
Director
10Open-market trades
1Ticker
—Avg 90d after buys
+1.14%Avg 90d after sales
—Avg 180d after buys
+41.6%Avg 180d after sales
MGNI price and prints
Full MGNI chartMAGNITE, INC. 10 open-market prints by this insider, 4/5/2021 – 9/17/2026. Triangles mark only their Form 4 purchases and sales.
MGNI adjusted close▲ buy▼ sale
MGNI trades
| Date | Form 4 | Ticker | Side | Shares | Value | 90d | 180d |
|---|---|---|---|---|---|---|---|
| 9/17/2026 | Form 410b5-1 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 37,337 | $981.2K | +1.14%hist | +41.6%hist |
| 8/6/2026 | Form 410b5-1 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 37,337 | $848.3K | +1.14%hist | +41.6%hist |
| 6/16/2026 | Form 410b5-1 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 37,337 | $675.8K | −28.5% | +41.6%hist |
| 6/10/2026 | Form 410b5-1 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 10,766 | $169.3K | −51.2% | +41.6%hist |
| 7/9/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 9,010 | $294.4K | +14.8% | +52.7% | |
| 7/9/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 1,190 | $40.0K | +14.8% | +52.7% | |
| 4/5/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 500 | $21.3K | +14.8% | +36.0% | |
| 4/5/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 4,923 | $194.7K | +14.8% | +36.0% | |
| 4/5/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 4,377 | $176.5K | +14.8% | +36.0% | |
| 4/5/2021 | MAGNITE, INC · Services-Computer Programming, Data Processing, Etc.IndustryServices-Computer Programming, Data Processing, Etc.Mkt cap (est.)$11.22BPrice$25.1552w high$25.6352w low$11.20 | SELL | 200 | $8.3K | +14.8% | +36.0% |
Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.