CubeSmart (NYSE: CUBE) CFO adds 301 phantom shares via plan

Rhea-AI Filing Summary

CubeSmart reported that CFO Timothy M. Martin acquired 301 phantom shares on July 15, 2026 through reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation Plan. Each phantom share is payable in cash on a one-for-one basis after his employment ends, bringing his phantom share balance to 23,264 phantom shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider MARTIN TIMOTHY M

Role CFO

Type	Security	Shares	Price	Value
Grant/Award	Phantom Shares	301	$40.46	$12K

Holdings After Transaction: Phantom Shares — 23,264 shares (Direct)

Footnotes (1)

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Key Figures

Phantom shares acquired: 301 phantom shares Transaction price per phantom share: $40.4600 Total phantom shares after transaction: 23,264 phantom shares

3 metrics

Phantom shares acquired 301 phantom shares Grant via dividend equivalent reinvestment on July 15, 2026

Transaction price per phantom share $40.4600 Reference value for the 301 phantom shares credited

Total phantom shares after transaction 23,264 phantom shares CFO’s phantom share balance following the July 15, 2026 award

Key Terms

Phantom Shares, dividend equivalents, Executive Deferred Compensation Plan

3 terms

Phantom Shares financial

"These phantom shares were acquired through reinvestment of dividend equivalents under the CubeSmart"

Phantom shares are a form of employee or executive compensation that mimics the economic value of owning company stock without actually issuing real shares; holders receive cash or equivalent payments tied to the company’s share price or dividends. Think of it like a receipt that pays out if the stock rises — it aligns managers’ interests with shareholders but does not dilute ownership, while creating a future cash obligation that investors should watch as it can affect company cash flow and valuation.

dividend equivalents financial

"reinvestment of dividend equivalents under the CubeSmart Trust Executive Deferred Compensation"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

Executive Deferred Compensation Plan financial

"CubeSmart Trust Executive Deferred Compensation Plan, amended and restated January 1, 2007"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/16/2026 - 04:31 PM Accepted by SEC EDGAR 07/16/2026 - 04:30 PM Learn about SEC filing dates

FAQ

What insider transaction did CubeSmart (CUBE) report for its CFO?

CubeSmart reported that CFO Timothy M. Martin acquired 301 phantom shares on July 15, 2026 under its Trust Executive Deferred Compensation Plan. The phantom shares came from reinvested dividend equivalents and increased his deferred, cash-settled phantom share balance to 23,264 units.

How many phantom shares does CubeSmart (CUBE) CFO hold after this Form 4?

After this award of 301 phantom shares, CubeSmart CFO Timothy M. Martin holds a total of 23,264 phantom shares. These are bookkeeping units in the company’s deferred compensation plan, ultimately settled in cash rather than through delivery of CubeSmart common stock.

Are the CubeSmart (CUBE) phantom shares open-market stock purchases?

No. The 301 phantom shares are not open-market stock purchases. They are credits under the CubeSmart Trust Executive Deferred Compensation Plan, created by reinvested dividend equivalents and payable in cash on a one-for-one basis after the CFO’s employment ends.

When are CubeSmart (CUBE) CFO’s phantom shares paid out?

The phantom shares are payable in cash on a one-for-one basis after Timothy M. Martin ceases employment with CubeSmart. Until then, he may reallocate his deemed investment among alternatives, with transfers effective the first business day of the following calendar quarter.

What price per unit is associated with the new CubeSmart phantom shares?

The Form 4 lists a transaction price of $40.4600 per phantom share for the 301 phantom shares credited on July 15, 2026. This figure serves as the transaction’s reference value within the deferred compensation plan’s bookkeeping records.

Does this CubeSmart (CUBE) filing show any sale of common stock by the CFO?

No. This Form 4 only reports an acquisition of 301 phantom shares via dividend equivalent reinvestment in a deferred compensation plan. It does not disclose any open-market sales or other dispositions of CubeSmart common stock by the CFO.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 PENNSYLVANIA 19355

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026

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

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

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

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)	07/15/2026		A		301		(1)	(1)	Common	301	$40.46	23,264	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	07/15/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)