CubeSmart (NYSE: CUBE) CEO discloses major equity awards and options

Rhea-AI Filing Summary

CubeSmart’s CEO and director reported several equity transactions dated January 1, 2026. The reporting person acquired 34,027 restricted common units that vest in two equal installments on January 1, 2027 and January 1, 2028, subject to continued employment. They also received 22,168 common shares from the vesting of performance-based units originally granted on January 1, 2023, and 17,013 restricted common shares that vest on January 1, 2029, also subject to continued employment.

To cover obligations at $36.05 per share, 5,425 common shares were reported as disposed of. In addition, the filing shows a stock option grant for 252,055 shares at an exercise price of $36.05, expiring on December 31, 2035, vesting in three equal annual installments from the grant date. Following these transactions, the reporting person directly holds 648,974 common shares and has additional indirect holdings through spousal and other trusts.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MARR CHRISTOPHER P

(Last) (First) (Middle)

5 OLD LANCASTER ROAD

(Street)

MALVERN PA 19355

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CubeSmart [ CUBE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
01/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common	01/01/2026		A		34,027(1)	A	$0.0000	615,218	D
Common	01/01/2026		A		22,168(2)	A	$36.05	637,386	D
Common	01/01/2026		A		17,013(3)	A	$0.0000	654,399	D
Common	01/01/2026		F		5,425	D	$36.05	648,974	D
Common								263,838	I	By Spousal Trust
Common								2,698	I	By Spousal Trust #2
Common								20,265	I	Held in Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$36.05	01/01/2026		A		252,055		(4)	12/31/2035	Common	252,055	$0.0000	252,055	D

Explanation of Responses:

1. 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.

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

3. 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.

4. 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.

	Douglas J. Tyrell, Attorney-in-Fact	01/02/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did CubeSmart (CUBE) report for January 1, 2026?

The CEO and director of CubeSmart reported equity grants and related activity on January 1, 2026, including restricted units, performance-based shares, restricted shares, and a stock option grant.

How many restricted units and shares did the CubeSmart (CUBE) CEO receive?

The reporting person acquired 34,027 restricted common units and 17,013 restricted common shares, both subject to forfeiture and future vesting conditions tied to continued employment.

What performance-based shares vested for the CubeSmart (CUBE) CEO?

22,168 common shares vested from performance-based units that were originally granted on January 1, 2023 under CubeSmart’s 2007 Equity Incentive Plan.

What stock options were granted to the CubeSmart (CUBE) CEO?

The filing shows a stock option for 252,055 shares of common stock with an exercise price of $36.05 per share, expiring on December 31, 2035, vesting in three equal annual installments.

How many CubeSmart (CUBE) shares does the CEO own after these transactions?

After the reported transactions, the CEO directly owns 648,974 common shares and also has indirect ownership of shares held in spousal and other trusts.

Were any CubeSmart (CUBE) shares sold in connection with these awards?

The report shows a disposition of 5,425 common shares at $36.05 per share, reported alongside the equity awards and vesting activity.