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 *

ACKLEY MATTHEW
2. Issuer Name and Ticker or Trading Symbol

RITCHIE BROS AUCTIONEERS INC [ RBA ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

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

9500 GLENLYON PARKWAY
3. Date of Earliest Transaction (MM/DD/YYYY)

5/13/2021
(Street)

BURNABY, A1 V5J 0C6
(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 Shares         1587 (1)I Employee Stock Purchase Plan 
Common Shares         19510 D  
Common Shares 5/13/2021  M  2000 A$17.76 2000 D  
Common Shares 5/13/2021  S  2000 D$60.57 0 D  

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
Employee Stock Option (Right to Buy) $17.76 5/13/2021  M     2000   (2)2/3/2026 Common Shares 2000 $0.00 19344 D  

Explanation of Responses:
(1) Includes all Employee Stock Purchase Plan purchases through May 13, 2021.
(2) The option was granted on May 31, 2017 and vests equally in three equal annual installments beginning March 1, 2018.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
ACKLEY MATTHEW
9500 GLENLYON PARKWAY
BURNABY, A1 V5J 0C6


Chief Marketing Officer

Signatures
/s/ Maria Teresa Punsalan as attorney-in-fact for Matthew Ackley.5/17/2021
**Signature of Reporting PersonDate

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