David Buonasera sold $155K of MGNI stock

David Buonasera, Chief Technology Officer of Magnite, Inc. (MGNI), sold 5,706 shares of MGNI stock worth $155K, per an SEC Form 4 filed Nov 6, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Nov 5, 2026, 1 day before it was made public.

MGNI has moved -0.5% since the trade date, from $27.52 to $27.39 (Nov 6, 2026 close).