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

Atlassian CEO and Co-Founder Michael Cannon-Brookes sold 7,765 Class A Common Stock shares on February 6, 2026, as part of a pre-arranged 10b5-1 trading plan.

Summary

• Michael Cannon-Brookes, CEO and Co-Founder of Atlassian Corp (TEAM), a Director and 10% owner, reported the sale of 7,765 shares of Class A Common Stock.
• The transactions occurred on February 6, 2026, at weighted-average prices ranging from $93.0989 to $101.745 per share.
• These sales were executed pursuant to a Rule 10b5-1 trading plan adopted by Mr. Cannon-Brookes on February 20, 2025.
• Following these transactions, Mr. Cannon-Brookes indirectly beneficially owns 275,940 shares of Class A Common Stock through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. While an insider sale reduces direct ownership, its execution under a pre-established 10b5-1 plan mitigates concerns of opportunistic selling, suggesting routine financial planning.

Positives

• The sales were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a structured and pre-scheduled disposition of shares rather than an immediate reaction to market conditions, which helps mitigate concerns about opportunistic insider selling.

Negatives

• An insider sale, particularly by a CEO and Co-Founder, represents a reduction in direct ownership stake, which can sometimes be perceived negatively by investors.
• The total value of shares sold is approximately $750,000 (7,765 shares * average price ~$96.6), which is a notable amount.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding Atlassian's future performance or strategic direction.

Industry Context

StockSavvy.ai notes that insider sales executed under Rule 10b5-1 plans are a common practice among executives of publicly traded companies, allowing them to diversify personal holdings and manage liquidity without concerns of trading on material non-public information. This transaction aligns with typical executive financial planning strategies within the tech industry.

Comparison to Industry Standards

• StockSavvy.ai observes that the sale of shares by a co-founder and CEO, even under a 10b5-1 plan, is a standard practice for long-tenured executives seeking to diversify their personal wealth. For example, similar planned sales have been observed from executives at companies like Microsoft (MSFT) and Apple (AAPL), where founders or long-serving leaders periodically sell portions of their holdings.
• The reported transaction prices for Atlassian's Class A Common Stock are within the typical daily trading range for a company of its market capitalization, reflecting market-driven valuations rather than distressed selling.

Related Party Transactions

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

Stakeholder Impact

• Shareholders: The sale by a key insider could be perceived as a slight negative, but the 10b5-1 plan context generally reduces concern. It does not directly impact the company's operations or financial health.
• Employees, Customers, Suppliers, Creditors: No direct impact on these stakeholders is indicated by this insider trading report.

Key Dates

Recommendation

The insider sale by Michael Cannon-Brookes, while a reduction in his direct stake, was conducted under a pre-arranged 10b5-1 plan. This suggests a planned diversification rather than a reaction to negative company-specific news. For a seasoned investor, this event alone does not warrant a change in investment thesis for Atlassian, hence a 'hold' recommendation is appropriate, pending further fundamental analysis of the company's performance and market conditions.

Keywords

Atlassian, TEAM, Michael Cannon-Brookes, Insider Sale, Form 4, 10b5-1 Plan, CEO, Co-Founder, Director, Equity Transaction, Share Sale