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Form 4 reporting owner · CIK 0001350876

Knopper Douglas S

Director

10Open-market trades
1Ticker
—Avg 90d after buys
+1.14%Avg 90d after sales

MGNI price and prints

Full MGNI chart

MAGNITE, 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
5.7817.2528.7240.1951.662026-09-17 sell Knopper Douglas S2026-08-06 sell Knopper Douglas S2026-06-16 sell Knopper Douglas S2026-06-10 sell Knopper Douglas S2021-07-09 sell Knopper Douglas S2021-04-05 sell Knopper Douglas S2021-03-152026-09-18

MGNI trades

Clear
DateForm 4TickerPositionSideSharesValue90d180d
9/17/2026Form 4MGNI
10b5-1
DirectorSELL37,337$981.2K+1.14%hist+41.6%hist
8/6/2026Form 4MGNI
10b5-1
DirectorSELL37,337$848.3K+1.14%hist+41.6%hist
6/16/2026Form 4MGNI
10b5-1
DirectorSELL37,337$675.8K−28.5%+41.6%hist
6/10/2026Form 4MGNI
10b5-1
DirectorSELL10,766$169.3K−51.2%+41.6%hist
7/9/2021Form 4MGNIDirectorSELL9,010$294.4K+14.8%+52.7%
7/9/2021Form 4MGNIDirectorSELL1,190$40.0K+14.8%+52.7%
4/5/2021Form 4MGNIDirectorSELL500$21.3K+14.8%+36.0%
4/5/2021Form 4MGNIDirectorSELL4,923$194.7K+14.8%+36.0%
4/5/2021Form 4MGNIDirectorSELL4,377$176.5K+14.8%+36.0%
4/5/2021Form 4MGNIDirectorSELL200$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.