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 *

Cook Randall
2. Issuer Name and Ticker or Trading Symbol

BLACKBERRY Ltd [ BB ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
CLO & Corp. Secretary
(Last)          (First)          (Middle)

C/O BLACKBERRY LIMITED, 2200 UNIVERSITY AVENUE EAST
3. Date of Earliest Transaction (MM/DD/YYYY)

9/25/2021
(Street)

WATERLOO, A6 N2K 0A7
(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 9/25/2021  M  11969 A (1)41698 (2)D  
Common Shares 9/25/2021  S  6165 D(3)$10.09 (4)35533 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
Restricted Share Units  (1)9/25/2021  M     11969   (5) (5)Common Shares 11969.0  (1)11968 D  

Explanation of Responses:
(1) Each unit represents a contingent right to receive one common share or an equivalent amount of cash, or a combination of the two, at the discretion of BlackBerry Limited.
(2) Includes 647 shares acquired under the Company's Employee Stock Purchase Plan on March 31, 2021.
(3) Sales to cover withholding taxes upon vesting of Restricted Share Units ("RSUs")".
(4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.96 to $10.20, exclusive of any fees, commissions or other expenses. The Reporting Person undertakes to provide BlackBerry, any shareholder of BlackBerry, or the Staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(5) This award was granted on September 25, 2019 and, assuming continued employment through the applicable vesting date, vests in three equal annual instalments ending September 25, 2022.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Cook Randall
C/O BLACKBERRY LIMITED
2200 UNIVERSITY AVENUE EAST
WATERLOO, A6 N2K 0A7


CLO & Corp. Secretary

Signatures
/s/ Fraser Deziel, Attorney-in-Fact for Randall Cook9/28/2021
**Signature of Reporting PersonDate

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