Douglas S Knopper insider trades

Open-market stock purchases and sales by Douglas S Knopper, Director at Magnite, Inc, from SEC Form 4 filings since Oct 17, 2018.

Recent trades

DateStockTradeValue
Sep 17, 2026MGNI Magnite, IncSold$981K
Aug 6, 2026MGNI Magnite, IncSold$848K
Jun 16, 2026MGNI Magnite, IncSold$676K
Jun 10, 2026MGNI Magnite, IncSold$169K
Jun 8, 2026MGNI Magnite, IncBought (not open market)—

Companies traded

  • MGNI Magnite, Inc: 10 sales, last Sep 17, 2026
  • RUBI Rubicon Project, Inc: other filings, last Apr 1, 2020
  • TLRA Telaria, Inc: other filings, last Apr 1, 2020

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