BlackBerry officer Giamatteo proposes $865K share sale

The reported activity also includes 151,000 common shares sold on October 21, 2026, for $1,419,792.60.

Rhea-AI Filing Summary

BlackBerry Limited officer and director John J. Giamatteo reported a proposed sale of 99,000 common shares, with an aggregate market value of $865,368.90 and an approximate sale date of October 22, 2026. Morgan Stanley Smith Barney LLC is listed as the broker, and NYSE is the named exchange. His reported activity also includes five restricted-stock vesting acquisitions and 151,000 common shares sold on October 21, 2026, for $1,419,792.60.

Key Figures

Proposed sale: 99,000 common shares Aggregate market value: $865,368.90 Shares outstanding: 587,032,279 shares +2 more

5 metrics

Proposed sale 99,000 common shares Approximate sale date October 22, 2026

Aggregate market value $865,368.90 Proposed sale

Shares outstanding 587,032,279 shares BlackBerry common shares

Shares sold 151,000 common shares Sale on October 21, 2026

Gross proceeds $1,419,792.60 Sale on October 21, 2026

Key Terms

Rule 144, Restricted Stock Vesting Under a Registered Plan, Aggregate market value

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting Under a Registered Plan financial

"Restricted Stock Vesting Under a Registered Plan"

Aggregate market value financial

"Aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many BB shares did John J. Giamatteo propose to sell?

The proposed sale is 99,000 BlackBerry common shares, with an aggregate market value of $865,368.90 and an approximate sale date of October 22, 2026. Morgan Stanley Smith Barney LLC is listed as the broker, and NYSE is the named exchange.

How many BB shares did John J. Giamatteo sell in the prior three months?

He reported selling 151,000 common shares on October 21, 2026, for $1,419,792.60 in gross proceeds.

Which restricted-stock vesting acquisitions are listed for BB?

The listed acquisitions are 11,088 shares on July 6, 2026; 32,810 shares on July 10, 2026; 26,830 shares on January 6, 2025; 1,260 shares on July 10, 2026; and 27,012 shares on July 6, 2026. Each entry describes restricted-stock vesting under a registered plan, identifies the issuer as the source, and lists services rendered as the payment nature.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/22/2026 - 04:11 PM EDT Accepted by SEC EDGAR 10/22/2026 - 04:10 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001234080
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	BLACKBERRY LIMITED
SEC File Number	001-38232
Address of Issuer	2200 University Ave East Waterloo ONTARIO, CANADA N2K 0A7
Phone	591-888-7465
Name of Person for Whose Account the Securities are To Be Sold	JOHN J GIAMATTEO
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	99000	865368.90	587032279	10/22/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/06/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			11088	07/06/2026	Services Rendered
Common	07/10/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			32810	07/10/2026	Services Rendered
Common	01/06/2025	Restricted Stock Vesting Under a Registered Plan	Issuer			26830	01/06/2025	Services Rendered
Common	07/10/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			1260	07/10/2026	Services Rendered
Common	07/06/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			27012	07/06/2026	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
JOHN J GIAMATTEO 2200 University Ave East Waterloo A6 N2K 0A7	Common	10/21/2026	151000	1419792.60

144: Remarks and Signature

Remarks
Date of Notice	10/22/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ John Joseph Giamatteo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)