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 21, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, CEO and Co-Founder of Atlassian Corp, executed multiple sales of Class A Common Stock on April 21, 2025.
• The sales were conducted under a pre-arranged Rule 10b5-1 trading plan adopted on February 8, 2024.
• The transactions involved the disposal of shares held indirectly through a trust (CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust).
• The sales occurred at varying prices throughout the day, ranging from $190.57 to $199.96 per share.
• A total of 5,048 shares were sold, resulting in a decrease in the number of shares beneficially owned by the trust.
• Following the reported transactions, the trust holds 262,284 shares of Atlassian Class A Common Stock.

Sentiment

Score: 5

Explanation: The document is a routine disclosure of stock sales under a pre-arranged trading plan, indicating a neutral sentiment.

Industry Context

Executive stock sales are a common occurrence, often planned in advance to avoid accusations of insider trading. Rule 10b5-1 plans allow insiders to sell shares at predetermined times and prices.

Stakeholder Impact

• The stock sales may have a minor impact on shareholders due to the increased supply of shares in the market.

Key Dates

Keywords

Atlassian, Cannon-Brookes, Stock Sale, Form 4, Rule 10b5-1, Beneficial Ownership, TEAM