Form 4 Filing for BLACKBERRY Ltd

This filing details a Form 4 submission by Lisa S. Disbrow, a director at BLACKBERRY Ltd. The transaction, dated August 31, 2026, involves the acquisition of 10,123 Deferred Share Units (DSUs). These DSUs are economically equivalent to common shares and will become payable in cash or shares at the company's discretion following Ms. Disbrow's cessation of service as a director. The acquisition was made under transaction code "A", with a reported price of $0.0 per share, and following this transaction, Ms. Disbrow holds 359,106 DSUs. The underlying security for these DSUs is common shares.