CubeSmart CEO Christopher P. Marr Acquires 78 Phantom Shares Through Deferred Compensation Plan

This Form 4 filing reports that Christopher P. Marr, CEO of CubeSmart (CUBE), acquired 78 phantom shares on July 15, 2026, through the company's Executive Deferred Compensation Plan. The phantom shares were acquired at $40.46 per share through reinvestment of dividend equivalents and represent a derivative interest in CubeSmart common stock. Following this transaction, Marr holds a total of 6,038 phantom shares. These phantom shares are payable in cash on a one-for-one basis after Marr ceases employment with the company and can be transferred by reallocating investment options to other alternatives. The filing represents a routine transaction under the company's deferred compensation program rather than a market purchase of actual shares.