What to Know When a Magnite Director Sells Into a 36% Growth Quarter

Magnite director Douglas S. Knopper sold 37,337 shares of Magnite stock for $848,000 on August 6, under a pre-arranged Rule 10b5-1 trading plan established in December 2025. This sale represents 30% of his direct holdings, though he retains 88,473 shares. The transaction occurred after a strong quarter for Magnite, particularly in Connected TV growth and adjusted EBITDA, with management raising full-year guidance.