Katie Seitz Evans, President of Product and Operations at Magnite (Nasdaq: MGNI), sold 20,000 shares of company stock on August 6 at a price of $24.00 per share. This sale was executed following the exercise of derivatives, in accordance with her 10b5-1 trading plan established on August 28, 2025. After the transaction, Evans directly holds 496,840 shares of common stock, with a market value of approximately $12.08 million as of the close of trading on August 6.