Form 4: Atlassian CEO Michael Cannon-Brookes Executes Stock Sales Under 10b5-1 Plan

Atlassian CEO Michael Cannon-Brookes sold shares of Class A Common Stock on April 29, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, CEO and Co-Founder of Atlassian, executed multiple sales of Class A Common Stock on April 29, 2025.
• These transactions were conducted under a Rule 10b5-1 trading plan adopted on February 8, 2024.
• The sales were executed at varying prices, with weighted-average prices reported for each block of shares sold.
• The shares were sold both directly and indirectly through a trust (CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust).
• Following the reported transactions, Cannon-Brookes continues to beneficially own a significant amount of Atlassian stock, both directly and indirectly.

Sentiment

Score: 5

Explanation: The document itself is neutral, simply reporting stock sales under a pre-existing plan. The impact on sentiment depends on investor interpretation of the sales in the context of the company's overall performance and outlook.

Future Outlook

The document does not contain any specific forward-looking statements or guidance.

Industry Context

Sales by insiders, particularly CEOs, are closely watched by investors. The use of a 10b5-1 plan suggests the sales were pre-planned and not based on current inside information. However, large or frequent sales can sometimes raise concerns about management's confidence in the company's future prospects.

Key Dates

Keywords

Atlassian, TEAM, Michael Cannon-Brookes, Stock Sale, Form 4, Rule 10b5-1, Insider Trading, CBC Co Pty Limited, Cannon-Brookes Head Trust