Form 4: Atlassian CEO Michael Cannon-Brookes Sells Shares Under 10b5-1 Trading Plan

Atlassian CEO Michael Cannon-Brookes sold shares of Class A Common Stock on March 27, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, CEO and Co-Founder of Atlassian, reported the sale of Class A Common Stock on March 27, 2025.
• The sales were executed under a Rule 10b5-1 trading plan adopted on February 8, 2024.
• The transactions involved multiple trades at varying prices, with weighted-average prices ranging from $222.91 to $227.65.
• A total of 8,298 shares were sold, reducing the indirect holdings by trust to amounts ranging from 22,894 to 15,896 shares after each transaction.

Sentiment

Score: 5

Explanation: The document is a routine regulatory filing related to stock sales under a pre-arranged trading plan, so it has a neutral sentiment.

Risks

• Sales by insiders, even under pre-arranged plans, can sometimes be perceived negatively by the market.

Industry Context

Insider transactions are routinely monitored by investors as they can provide signals, though sales under 10b5-1 plans are less indicative of management's view of the company's prospects.

Comparison to Industry Standards

• Monitoring insider trading activity is a common practice in the financial industry.
• Comparing Cannon-Brookes' transactions to those of other tech CEOs, such as Sundar Pichai (Alphabet) or Satya Nadella (Microsoft), can provide context.
• However, direct comparisons are difficult without knowing the specific details of each individual's financial planning and trading strategies.

Stakeholder Impact

• The stock sale may have a minor impact on shareholders, potentially causing a slight decrease in stock price due to increased supply.

Key Dates

Keywords

Form 4, Atlassian, TEAM, Michael Cannon-Brookes, Insider Trading, Rule 10b5-1, Stock Sale, CEO