Form 4: Atlassian Co-Founder Sells Shares Under 10b5-1 Plan
Insider Transaction Report
Atlassian Corp's Co-Founder and CEO, Michael Cannon-Brookes, reported the sale of 7,665 Class A Common Stock shares on December 17, 2025, through a pre-arranged 10b5-1 trading plan.
Summary
- Michael Cannon-Brookes, a Director, 10% Owner, and CEO/Co-Founder of Atlassian Corp (TEAM), reported transactions.
- On December 17, 2025, a total of 7,665 shares of Class A Common Stock were disposed of in multiple transactions.
- These sales were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Cannon-Brookes on February 20, 2025.
- The shares were sold at weighted-average prices ranging from $161.8651 to $165.364 per share.
- Following these transactions, Mr. Cannon-Brookes beneficially owns 68,985 shares of Class A Common Stock indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.
Sentiment
Score: 5
Explanation: The filing reports a routine, pre-scheduled insider stock sale under a 10b5-1 plan, which is a neutral event for company sentiment. It does not indicate any positive or negative operational performance or strategic shifts.
Future Outlook
This filing does not contain any forward-looking statements or guidance, as it reports historical insider transactions.
Industry Context
This Form 4 filing reports a routine insider stock sale by a key executive and co-founder of Atlassian, a prominent software company. Such pre-scheduled sales under Rule 10b5-1 plans are common among executives for personal financial planning and typically do not reflect a change in the company's operational outlook or industry trends.
Stakeholder Impact
- Shareholders: The sale represents a minor reduction in the beneficial ownership of a key insider, which is a routine event under a pre-arranged plan and is unlikely to have a significant impact on shareholder confidence or the company's strategic direction.
Key Dates
| Date | Description |
|---|---|
| 02/20/2025 | Rule 10b5-1 trading plan adopted by Michael Cannon-Brookes. |
| 12/17/2025 | Date of reported sales transactions of Class A Common Stock. |
| 12/18/2025 | Date the Form 4 was signed by the attorney-in-fact. |
Keywords
Atlassian, TEAM, Michael Cannon-Brookes, Insider Sale, Form 4, 10b5-1 Plan, Equity Transaction, Director, CEO, Co-Founder
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