SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Perry Jonathan L

(Last)

(First)

(Middle)

5 OLD LANCASTER ROAD

(Street)

MALVERN

19355

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/31/2017

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP and CIO

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common	48,627	D
Common	99	I	By 401(k) Plan

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (right to buy)	⁽¹⁾	01/13/2020	Common	20,270	$7.29	D
Stock Option (right to buy)	⁽²⁾	01/23/2021	Common	15,385	$9.39	D
Stock Option (right to buy)	⁽³⁾	01/24/2022	Common	12,755	$11.36	D
Stock Option (right to buy)	⁽⁴⁾	01/25/2023	Common	11,682	$14.84	D
Stock Option (right to buy)	⁽⁵⁾	01/24/2024	Common	11,601	$15.67	D
Stock Option (right to buy)	⁽⁶⁾	01/22/2025	Common	10,701	$25	D
Stock Option (right to buy)	⁽⁷⁾	01/23/2027	Common	25,871	$26.3	D
Stock Option (right to buy)	⁽⁸⁾	01/21/2026	Common	17,521	$30.32	D

Explanation of Responses:

1. The stock options were granted on January 13, 2010 and are fully vested.

2. The stock options were granted on January 24, 2011 and are fully vested.

3. The stock options were granted on January 25, 2012 and are fully vested.

4. The stock options were granted on January 25, 2013 and are fully vested.

5. The stock options were granted on January 24, 2014 and are fully vested.

6. The stock options were granted on January 23, 2015 and vest ratably over a three-year period, one-third per year on January 23, 2016, January 23, 2017, and January 23, 2018, provided the reporting person remains employed by the Company.

7. The stock options were granted on January 23, 2017 and vest ratably over a three-year period, one-third per year on January 23, 2018, January 23, 2019, and January 23, 2020, provided the reporting person remains employed by the Company.

8. The stock options were granted on January 22, 2016 and vest ratably over a three-year period, one-third per year on January 22, 2017, January 22, 2018, and January 22, 2019, provided the reporting person remains employed by the Company.

Remarks:

Exhibit 24 - Power of Attorney

	Douglas J. Tyrell, Attorney-in-Fact	05/31/2017
	** 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 5 (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.