ROBERT SPILLANE plan to sell securities of MAGNITE, INC. under Form 144

ROBERT SPILLANE filed Form 144 to notify SEC of plan to sell 10000 units of MAGNITE, INC. securities around 2026-05-19, with aggregate market value of $133,331.00. The total outstanding units is 143215003.0. The amount planned to be sold represents 0.01% of total outstanding units;