Form 4: Atlassian Co-Founder Michael Cannon-Brookes Files Form 4 for Pre-Arranged Stock Sale

Atlassian's Co-Founder and CEO, Michael Cannon-Brookes, has filed a Form 4 indicating a future sale of 7,665 shares of Class A Common Stock under a pre-arranged 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, Co-Founder, CEO, Director, and 10% Owner of Atlassian Corp (TEAM), filed a Form 4 reporting planned transactions.
• The filing details the sale of 7,665 shares of Atlassian Class A Common Stock.
• These sales are scheduled to occur on June 18, 2025.
• The transactions are being conducted pursuant to a Rule 10b5-1 trading plan adopted by Mr. Cannon-Brookes on February 20, 2025.
• The shares are planned to be sold in multiple tranches at weighted-average prices ranging from $194.4969 to $198.5844 per share.
• The estimated total value of these planned sales is approximately $1,505,340.6.
• Following these reported transactions, Mr. Cannon-Brookes will indirectly beneficially own 53,655 shares of Class A Common Stock through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While an insider sale can be viewed cautiously, the fact that it is executed under a pre-arranged Rule 10b5-1 trading plan mitigates concerns that it is based on new, negative non-public information. It represents a routine, scheduled liquidity event for the insider.

Positives

• The sale is part of a pre-arranged Rule 10b5-1 trading plan, which indicates the transaction was scheduled in advance and not based on immediate, non-public information, thereby reducing the negative signal often associated with insider sales.

Negatives

• An insider sale, even if pre-planned, represents a reduction in direct ownership by a key executive and significant shareholder, which can sometimes be perceived negatively by the market.

Risks

• Potential for negative market perception if investors misinterpret the 10b5-1 plan as a lack of confidence, although this is mitigated by the pre-planned nature of the transaction.

Future Outlook

This Form 4 filing does not contain forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This Form 4 filing pertains to an individual insider transaction and does not provide broader industry context or trends.

Related Party Transactions

• The sale of Class A Common Stock by Michael Cannon-Brookes, who serves as a Director, 10% Owner, and CEO of Atlassian, constitutes a related party transaction. The shares are indirectly held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Stakeholder Impact

• Shareholders: May perceive the sale as a slight negative signal, though mitigated by the 10b5-1 plan. It could add minor selling pressure to the stock.
• Employees, Customers, Suppliers, Creditors: Minimal direct impact from this specific transaction.

Key Dates

Keywords

Atlassian, TEAM, Michael Cannon-Brookes, Form 4, SEC filing, insider trading, stock sale, 10b5-1 plan, beneficial ownership, Class A Common Stock