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 *

Chan Sidney		 2. Issuer Name and Ticker or Trading Symbol

ALR TECHNOLOGIES INC. [ ALRT ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    __X__ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
CEO
(Last)          (First)          (Middle)

53 CAIRNHILL ROAD #33-01 CAIRNHILL PLAZA		 3. Date of Earliest Transaction (MM/DD/YYYY)

6/30/2021
(Street)

SINGAPORE, U0 229664
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

3/6/2011 
 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

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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (1)$0.002 7/1/2016  A   3758334200    7/1/2016 4/12/2024 Common Stock 3758334200 $0.002 4225001000 D  
Stock Option (2)$0.002 7/1/2016  A   606667100    7/1/2016 4/12/2024 Common Stock 606667100 $0.002 700000500 I Spouse 
Stock Option $0.015 12/18/2019  A   120000000    12/18/2019 12/11/2024 Common Stock 120000000 $0.015 120000000 D  
Explanation of Responses:
(1) On June 30, 2021, the expiry date of my option to acquire 3,758,334,200 shares of common stock of ALR Technologies Inc. was extended from July 1, 2021 to April 12, 2024
(2) On June 30, 2021, the expiry date of the option held by my spouse to acquire 606,667,100 shares of common stock of ALR Technologies Inc. was extended from July 1, 2021 to April 12, 2024
Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Chan Sidney
53 CAIRNHILL ROAD #33-01 CAIRNHILL PLAZA
SINGAPORE, U0 229664		XXCEO
Signatures
/s/ Sidney Chan7/6/2021
**Signature of Reporting PersonDate
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