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☑ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended February 28 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-38232 Canada BlackBerry Limited ( Exact name of registrant as specified in its charter ) ( State or other jurisdiction of incorporation or Waterloo organization ) 2200 University Ave East Ontario Canada ( Address of Principal Executive Offices ) ( 519 ) 888-7465 Registrant's telephone number , including area code Securities registered pursuant to Section 12 ( b ) of the Act : 98-0164408 ( I.R.S. Employer Identification No. ) N2K 0A7 ( Zip Code ) Title of each class Common Shares Common Shares Trading Symbol ( s ) BB BB Securities registered pursuant to Section 12 ( g ) of the Act : None Name of each exchange on which registered New York Stock Exchange Toronto Stock Exchange Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes x No o Yes o No x Indicate by check mark whether the registrant : ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) ; and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes × No o