BlackBerry CEO John Giamatteo's Stock Transactions - RSU Vesting and Tax-Related Sales

This Form 4 filing reports stock transactions by BlackBerry CEO John Giamatteo on July 2, 2026. The filing shows two key transactions: 1) The vesting of 66,372 Restricted Share Units (RSUs) that were granted on April 2, 2025 and are vesting in quarterly installments through April 2, 2028, and 2) The sale of 28,272 common shares at a weighted average price of $11.22 per share, which the filing notes were "sales to cover withholding taxes upon vesting of RSUs." Following these transactions, Giamatteo's total common share ownership decreased from 965,518 to 937,246 shares, while his remaining unvested RSUs stand at 464,600 units. The transactions represent routine executive compensation activity involving RSU vesting and tax withholding obligations rather than discretionary trading decisions.