Form 4: Atlassian Co-Founder Sells Shares Under 10b5-1 Plan

Atlassian CEO and Co-Founder Michael Cannon-Brookes sold 7,665 Class A Common Stock shares on January 13, 2026, under a pre-arranged 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, CEO, Co-Founder, Director, and 10% Owner of Atlassian Corp (TEAM), reported sales of Class A Common Stock.
• A total of 7,665 shares were sold on January 13, 2026, across multiple transactions.
• The sales were executed pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.
• The shares were sold at weighted-average prices ranging from $138.3263 to $147.65.
• Following these transactions, Michael Cannon-Brookes beneficially owns 406,245 shares indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the sales were pre-scheduled under a 10b5-1 plan, which typically indicates routine financial management rather than a reaction to new company-specific information.

Positives

• The transactions were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating that the sales were scheduled in advance and not based on new, non-public information.

Negatives

• Insider selling, even if planned, can sometimes be perceived by the market as a lack of confidence, though the 10b5-1 plan mitigates this concern.

Risks

• No specific new risks are identified in this Form 4 filing beyond the general market perception of insider selling.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding Atlassian's future performance or outlook.

Industry Context

This Form 4 filing reports routine insider trading activity and does not provide specific insights into broader industry trends or competitive landscape.

Corporate Governance

Related Party Transactions

• The beneficially owned shares are held indirectly by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, indicating a related party ownership structure.

Stakeholder Impact

• Shareholders: Minimal direct impact as these are pre-scheduled sales, not indicative of new company performance issues.
• Employees, Customers, Suppliers, Creditors: No direct impact from this filing.

Key Dates

Recommendation

The filing reports routine, pre-scheduled insider sales under a Rule 10b5-1 plan, which typically do not signal new material information about the company's performance or outlook. These transactions are part of a long-term personal financial management strategy by a key executive and do not warrant a change in investment recommendation based solely on this filing.

Keywords

Atlassian, TEAM, Michael Cannon-Brookes, insider trading, Form 4, stock sale, 10b5-1 plan, corporate governance