FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                       
1. Name and Address of Reporting Person * McLernon John R. 2. Issuer Name and Ticker or Trading Symbol City Office REIT, Inc. [ CIO ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)         (First)         (Middle)
200 GRANVILLE STREET, 19TH FLOOR		 3. Date of Earliest Transaction (MM/DD/YYYY)
5/13/2021
(Street)
VANCOUVER, A1 V6C 2R6
(City)       (State)       (Zip)
 4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
 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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 Stock  5/13/2021    M    4460  A  (1) 14739  D   
Common Stock  5/13/2021    F    1338  D  (1) 13401  D   
Common Stock                 7500  I  McLernon Holdings Ltd. (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 of Derivative Security: 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
Restricted Stock Units   (1) 5/13/2021    M        4460    (3)  (3) Common Stock  4460  $0.00  9888  D   

Explanation of Responses:
(1)  In accordance with the Company's Equity Incentive Plan (the "Equity Incentive Plan"), Restricted Stock Units (as defined in the Equity Incentive Plan) convert into common stock on a one-for-one basis.
(2)  The Reporting Person disclaims beneficial ownership of these securities as this report shall not be deemed an admission that the Reporting Person is the beneficial owner of these securities for the purposes of Section 16 or any other purpose.
(3)  The restricted stock units reported herein have vested and converted to common shares as at May 13, 2021.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
McLernon John R.
200 GRANVILLE STREET, 19TH FLOOR
VANCOUVER, A1 V6C 2R6		 X



Signatures
/s/ John McLernon 5/14/2021
**Signature of Reporting Person Date
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