MARR CHRISTOPHER P plan to sell securities of CubeSmart under Form 144

MARR CHRISTOPHER P filed Form 144 to notify SEC of plan to sell 108932 units of CubeSmart securities around 2026-05-04, with aggregate market value of $4,358,369.32. The total outstanding units is 227093909.0. The amount planned to be sold represents 0.05% of total outstanding units;