[Form 4] BlackBerry Limited Insider Trading Activity

Rhea-AI Filing Summary

Barry Mainz, a director of BlackBerry Limited (BB), received 34,340 Deferred Share Units (DSUs) on 08/31/2025 as reported on Form 4. Each DSU is economically equivalent to one common share and the filing shows Mr. Mainz beneficially owns 34,340 shares following the grant. The DSUs become payable, at BlackBerry's discretion, in cash, common shares, or a combination when he stops serving as a director. The Form 4 was filed as a single reporting person submission and was signed by an attorney-in-fact on 09/03/2025.

Insights

Corporate Governance Expert

TL;DR: Director compensation awarded as deferred share units; routine governance practice, no immediate dilution or cash outflow.

The reported grant of 34,340 DSUs to Director Barry Mainz is a standard form of deferred equity compensation that aligns director incentives with shareholder value. The DSUs are economically equivalent to common shares but are payable only upon cessation of service, at the company's discretion to pay in cash, shares, or a mix. This structure defers immediate ownership and potential voting rights and typically does not cause immediate dilution or require cash payment until settlement. The disclosure appears complete for this transaction.

Securities/Insider Transactions Analyst

TL;DR: Filing documents a non-derivative economic grant converting to share-equivalent units on later settlement; routine and informational.

The Form 4 reports an acquisition-coded (A) grant of 34,340 Deferred Share Units on 08/31/2025, yielding beneficial ownership of the same number of common share equivalents. The entry clarifies ownership is direct and the DSUs' settlement terms are discretionary for BlackBerry. There is no exercise price, immediate cash change, or derivative dilution recorded in this filing. Timing and settlement method remain at the issuer's discretion, which investors should note when assessing future dilution or cash obligations.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mainz Barry

(Last) (First) (Middle)

C/O BLACKBERRY LTD

2200 UNIVERSITY AVENUE EAST

(Street)

WATERLOO A6 N2K0A7

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BLACKBERRY Ltd [ BB ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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 Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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
Deferred Share Unit	(1)	08/31/2025		A		34,340		(1)	(1)	Common Shares	34,340	(1)	34,340	D

Explanation of Responses:

1. Each Deferred Share Unit ("DSU") is the economic equivalent of one common share. The DSUs become payable, in cash or common shares or a combination of the two, at the discretion of BlackBerry Limited ("BlackBerry") following cessation of the reporting person's service as a director of BlackBerry.

Remarks:

	/s/ Fraser Deziel, Attorney-in-fact for Barry Mainz	09/03/2025
	** 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 4 (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.

FAQ

What did Barry Mainz report on the Form 4 for BlackBerry (BB)?

He reported an acquisition of 34,340 Deferred Share Units (DSUs) on 08/31/2025, resulting in beneficial ownership of 34,340 common share equivalents.

What are the payment terms of the DSUs granted to Barry Mainz?

The DSUs become payable, at BlackBerry's discretion, in cash, common shares, or a combination upon cessation of the reporting person's service as a director.

Was the Form 4 filed jointly or by one reporting person?

The Form 4 was filed by one reporting person (Barry Mainz).

When was the transaction dated and when was the Form 4 signed?

The transaction date is 08/31/2025 and the Form 4 was signed by an attorney-in-fact on 09/03/2025.

Does the Form 4 show any immediate cash payment or exercise price for the DSUs?

No exercise price or immediate cash payment is shown; DSUs are described as economic equivalents of common shares payable upon cessation of service.