Sean Patrick Buckley sold $1.6M of Magnite, Inc. (MGNI) stock

Sean Patrick Buckley sold 67,179 shares of MGNI stock worth $1.6M, per an SEC Form 4 filed Aug 7, 2026.

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

The trade happened on Aug 6, 2026, 1 day before it was made public.

MGNI has moved +4.1% since the trade date, from $24.32 to $25.31 (Sep 21, 2026 close).