Form 4 Filing for Atlassian Corp

Michael Cannon-Brookes, CEO, Co-Founder, and 10% owner of Atlassian Corp, reported a series of dispositions of Class A Common Stock on December 22, 2025. These transactions were executed under a Rule 10b5-1 trading plan. A total of 8665 shares were sold across multiple trades at prices ranging from $161.44 to $165.46. The weighted-average prices for these trades varied, with specific footnotes detailing the price ranges and the reporting person's undertaking to provide further information upon request. The shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. Following these transactions, the post-transaction shares owned by Mr. Cannon-Brookes amount to 45990. The filing was signed by Drew Parkes as Attorney-in-Fact for Michael Cannon-Brookes.