Magnite Director Sarah Patricia Harden sold 48,986 shares of common stock on August 26 and August 28, 2026, for approximately $1.2 million, according to an SEC Form 4 filing. The sale was executed under a pre-established Rule 10b5-1 trading plan and occurred after the stock rose following the company's strong second-quarter results reported on August 5. Harden retains a direct holding of 114,751 shares in the company.