CUBE

SEC source: 0001225208-26-006633 · doc4.xml · derivative · entry 1

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,001.791

Underlying: Common · 12.953 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-006635 · doc4.xml · derivative · entry 1

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,264

Underlying: Common · 301 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-006634 · doc4.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,038

Underlying: Common · 78 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-005986 · doc4.xml · derivative · entry 6

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common · 108,932 shares

Expires 2027-01-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The original stock option for 108,932 shares became exercisable in three equal installments on January 23, 2018, 2019, and 2020.

SEC source: 0001225208-26-005986 · doc4.xml · nonDerivative · entry 2

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 609,605

F1 · ownership.direct: Reflects direct ownership of 50,471 common shares, which were previously reported as indirectly owned by Trust, as the result of a distribution of such shares from the Trust to the reporting person

SEC source: 0001225208-26-005986 · doc4.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 718,537

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.direct: Reflects direct ownership of 50,471 common shares, which were previously reported as indirectly owned by Trust, as the result of a distribution of such shares from the Trust to the reporting person

SEC source: 0001225208-26-005511 · doc4.xml · nonDerivative · entry 1

REMONDI JOHN F · CIK 0001109264 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,969

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005506 · doc4.xml · nonDerivative · entry 1

Bussani Piero · CIK 0001485013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,966

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005513 · doc4.xml · nonDerivative · entry 1

Weber Jennie · CIK 0002133531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,044

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005512 · doc4.xml · nonDerivative · entry 1

ROGATZ JEFFREY F · CIK 0001283783 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,114

F1 · shares: The common units are issued under the Company's 2007 Equity Incentive Plan. The common units vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005510 · doc4.xml · nonDerivative · entry 1

Lynch Jair K · CIK 0001928242 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,465

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005509 · doc4.xml · nonDerivative · entry 1

Dowling Dororthy · CIK 0001711832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,598

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005508 · doc4.xml · nonDerivative · entry 1

Connor Martin P. · CIK 0001501993 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,044

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-005507 · doc4.xml · nonDerivative · entry 1

Chin Jit Kee · CIK 0001798435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,682

F1 · shares: The common shares are issued under the Company's 2007 Equity Incentive Plan. The common shares vest on the earlier of the first anniversary of the grant date, or the date of the 2027 Annual Meeting of Shareholders, or date the trustee resigns or retires from service on the Board.

SEC source: 0001225208-26-004535 · doc4.xml · derivative · entry 1

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 988.838

Underlying: Common · 13.275 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-004534 · doc4.xml · derivative · entry 1

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,963

Underlying: Common · 308 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-004533 · doc4.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,960

Underlying: Common · 80 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-003138 · doc4.xml · derivative · entry 3

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common · 23,148 shares

Expires 2027-01-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The original stock option for 23,148 shares became exercisable in three equal installments on January 23, 2018, 2019, and 2020.

SEC source: 0001225208-26-003138 · doc4.xml · nonDerivative · entry 2

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,057

SEC source: 0001225208-26-003138 · doc4.xml · nonDerivative · entry 1

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,205

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-26-001170 · doc4.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 609,605

F1 · ownership.direct: Reflects direct ownership of 50,471 common shares, which were previously reported as indirectly owned by Trust, as the result of a distribution of such shares from the Trust to the reporting person

SEC source: 0001225208-26-000660 · doc4.xml · derivative · entry 1

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 975.563

Underlying: Common · 12.881 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-000662 · doc4.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,880

Underlying: Common · 78 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-000661 · doc4.xml · derivative · entry 1

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,655

Underlying: Common · 299 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-26-000165 · doc4.xml · derivative · entry 4

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,689

Underlying: Common · 21,689 shares

Expires 2035-12-31

F3 · derivative.exercise_date: The stock options vest ratably over a three-year period, one-third per year on each of the first three anniversaries of the grant date, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000165 · doc4.xml · nonDerivative · entry 3

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,732

SEC source: 0001225208-26-000165 · doc4.xml · nonDerivative · entry 2

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,584

F2 · shares: These common shares represent the vesting of performance-based shares granted on January 1, 2023 under the 2007 Equity Incentive Plan of the Company.

SEC source: 0001225208-26-000165 · doc4.xml · nonDerivative · entry 1

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,745

F1 · shares: These common units represent restricted units issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common units vest ratably over a three-year period, one-third per year on January 1, 2027, January 1, 2028, and January 1, 2029, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000167 · doc4.xml · derivative · entry 3

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,237

Underlying: Common · 42,237 shares

Expires 2035-12-31

F3 · derivative.exercise_date: The stock options vest ratably over a three-year period, one-third per year on each of the first three anniversaries of the grant date, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000167 · doc4.xml · nonDerivative · entry 2

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,057

F2 · shares: These common shares represent the vesting of performance-based units granted on January 1, 2023 under the 2007 Equity Incentive Plan of the Company.

SEC source: 0001225208-26-000167 · doc4.xml · nonDerivative · entry 1

Foster Jeffrey P · CIK 0001456473 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,543

F1 · shares: These common shares represent restricted shares issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common shares vest ratably over a three-year period, one-third per year on January 1, 2027, January 1, 2028, and January 1, 2029, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000168 · doc4.xml · derivative · entry 3

DeNarie Matthew D · CIK 0001967653 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,014

Underlying: Common · 13,014 shares

Expires 2035-12-31

F3 · derivative.exercise_date: The stock options vest ratably over a three-year period, one-third per year on each of the first three anniversaries of the grant date, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000168 · doc4.xml · nonDerivative · entry 2

DeNarie Matthew D · CIK 0001967653 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,344

F2 · shares: These common shares represent the vesting of performance-based units granted on January 1, 2023 under the 2007 Equity Incentive Plan of the Company.

SEC source: 0001225208-26-000168 · doc4.xml · nonDerivative · entry 1

DeNarie Matthew D · CIK 0001967653 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,993

F1 · shares: These common units represent restricted units issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common units vest ratably over a three-year period, one-third per year on January 1, 2027, January 1, 2028, and January 1, 2029, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000169 · doc4.xml · derivative · entry 8

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,055

Underlying: Common · 252,055 shares

Expires 2035-12-31

F4 · derivative.exercise_date: The stock options vest ratably over a three-year period, one-third per year on each of the first three anniversaries of the grant date, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000169 · doc4.xml · nonDerivative · entry 4

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 648,974

SEC source: 0001225208-26-000169 · doc4.xml · nonDerivative · entry 3

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 654,399

F3 · shares: These common shares represent restricted shares issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common shares vest on January 1, 2029, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000169 · doc4.xml · nonDerivative · entry 2

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 637,386

F2 · shares: These common shares represent the vesting of performance-based units granted on January 1, 2023 under the 2007 Equity Incentive Plan of the Company.

SEC source: 0001225208-26-000169 · doc4.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 615,218

F1 · shares: These common units represent restricted units issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common units vest ratably over a two-year period, one-half per year on January 1, 2027,and January 1, 2028, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000166 · doc4.xml · derivative · entry 4

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,900

Underlying: Common · 87,900 shares

Expires 2035-12-31

F3 · derivative.exercise_date: The stock options vest ratably over a three-year period, one-third per year on each of the first three anniversaries of the grant date, provided the reporting person remains employed by the Company.

SEC source: 0001225208-26-000166 · doc4.xml · nonDerivative · entry 2

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 384,975

F2 · shares: These common shares represent the vesting of performance-based units granted on January 1, 2023 under the 2007 Equity Incentive Plan of the Company.

SEC source: 0001225208-26-000166 · doc4.xml · nonDerivative · entry 1

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,594

F1 · shares: These common units represent restricted units issued under the Company's 2007 Equity Incentive Plan and are subject to risk of forfeiture. The common units vest ratably over a three-year period, one-third per year on January 1, 2027, January 1, 2028, and January 1, 2029, provided the reporting person remains employed by the Company.

SEC source: 0001225208-25-010046 · doc4.xml · nonDerivative · entry 3

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 581,191

SEC source: 0001225208-25-010046 · doc4.xml · derivative · entry 7

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common · 87,604 shares

Expires 2026-01-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The original stock option for 87,604 shares became exercisable in three equal installments on January 22, 2017, 2018, and 2019.

SEC source: 0001225208-25-010046 · doc4.xml · nonDerivative · entry 2

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 581,870

SEC source: 0001225208-25-010046 · doc4.xml · nonDerivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 628,795

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-25-010045 · doc4.xml · derivative · entry 3

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common · 29,566 shares

Expires 2026-01-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The original stock option for 29,566 shares became exercisable in three equal installments on January 22, 2017, 2018, and 2019.

SEC source: 0001225208-25-010045 · doc4.xml · nonDerivative · entry 1

MARTIN TIMOTHY M · CIK 0001284549 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,795

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001225208-25-008627 · doc4.xml · derivative · entry 1

Schulte Jennifer · CIK 0001967638 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 962.682

Underlying: Common · 12.025 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

SEC source: 0001225208-25-008625 · doc4.xml · derivative · entry 1

MARR CHRISTOPHER P · CIK 0001185498 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,802

Underlying: Common · 73 shares

Expires not disclosed

F1 · derivative.exercise_price: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.exercise_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.

F1 · derivative.expiration_date: These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the Company. The reporting person may elect to transfer these phantom shares at any time by reallocating his or her deemed investment option to another investment alternative, and such transfer will be effected on the first business day of the calendar quarter following the election.