CubeSmart (NYSE: CUBE) CFO gains 299 phantom shares in plan

Rhea-AI Filing Summary

CubeSmart CFO Timothy M. Martin reported an automatic increase in his deferred compensation holdings through the company’s executive plan. On January 16, 2026, he acquired 299 phantom shares at $39.61 each, credited under the CubeSmart Trust Executive Deferred Compensation Plan via reinvestment of dividend equivalents. Following this transaction, he holds 22,655 phantom shares in this plan. These phantom shares are described as being payable in cash on a one-for-one basis after he ceases employment, and he may reallocate them among investment alternatives under the plan.

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^*

MARTIN TIMOTHY M

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/16/2026

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

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
Phantom Shares	(1)	01/16/2026		A		299		(1)	(1)	Common	299	$39.61	22,655	D

Explanation of Responses:

1. 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.

	Douglas J. Tyrell, Attorney-in-Fact	01/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did CubeSmart (CUBE) report in this Form 4?

The filing shows that CubeSmart CFO Timothy M. Martin acquired 299 phantom shares on January 16, 2026 through the company’s executive deferred compensation plan.

How many CubeSmart (CUBE) phantom shares does the CFO hold after this transaction?

After the reported acquisition, the CFO beneficially owns 22,655 phantom shares under the deferred compensation plan.

What are the terms of the CubeSmart Trust Executive Deferred Compensation Plan mentioned in the Form 4?

The phantom shares were acquired via reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan, and are payable in cash on a one-for-one basis after the reporting person ceases employment with the company.

At what price were the CubeSmart (CUBE) phantom shares credited in this Form 4 transaction?

The 299 phantom shares were credited at a price of $39.61 per phantom share.

Does the CubeSmart (CUBE) CFO have flexibility over these phantom shares?

According to the disclosure, the reporting person may elect to transfer these phantom shares at any time by reallocating the deemed investment option to another alternative, with transfers effective on the first business day of the following calendar quarter.

Is this CubeSmart (CUBE) Form 4 transaction a direct or indirect holding?

The Form 4 classifies the 22,655 phantom shares as held with direct ownership form.