SEC Filing Analysis: Atlassian Corp (TEAM)

Executive Summary

• Trading Significance: Low
• Key Takeaway: Co-Founder and CEO Michael Cannon-Brookes sold approximately $1.1 million worth of Class A Common Stock under a pre-arranged 10b5-1 trading plan.
• Market Impact: The transaction is considered routine and immaterial, representing a negligible fraction of the company's market capitalization and the insider's total holdings.

Company Information

Field	Value
Company	Atlassian Corp
Ticker Symbol	TEAM
CIK	0001650372
Industry	SERVICES-PREPACKAGED SOFTWARE [7372]

Insider Information

Field	Value
Name	Cannon-Brookes Michael
CIK	0001666120
Title/Position	CEO, Co-Founder
Relationship	Director, Officer, Ten Percent Owner

Transaction Details

Field	Value
Form Type	4
Transaction Date	2025-11-21
Transaction Code	S (Sale)
Security Type	Class A Common Stock
Shares Involved	7,665
Price Per Share	$144.02 (Weighted Average)
Total Value	$1,103,891.09
Shares Owned After	199,290
Ownership Type	Indirect

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$1,103,891.09
% of Market Cap	0.0028%
Shares Transacted	7,665
% of Shares Outstanding	Not Available
Post-Transaction Ownership	199,290 shares
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The $1.1M sale is insignificant for a mega-cap company with a market capitalization of approximately $39.94 billion. The transaction value constitutes only 0.0028% of the company's market value, indicating no material impact.
• Ownership Concentration: The sale of 7,665 shares represents a small portion (approximately 3.7%) of the insider's reported holdings from this filing. The insider retains a substantial position of 199,290 shares indirectly.
• Transaction Significance: The low materiality, combined with the fact that the sale was conducted under a Rule 10b5-1 plan adopted in February 2025, categorizes this as a routine, low-significance event, likely for personal financial planning or diversification.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The transaction is pre-planned and represents a negligible fraction of the company's market cap and the insider's holdings. It is unlikely to influence market perception of the stock.

Volume & Sentiment

• Expected Volume Impact: Minimal. The trade size is too small to have a noticeable effect on trading volume.
• Sentiment Indicator: Neutral. The use of a 10b5-1 plan signals that this is not a reactive trade based on current events, thus it should not negatively affect investor sentiment.

Additional Context

Transaction Notes

• Special Circumstances: All sales were executed pursuant to a Rule 10b5-1 trading plan, which allows insiders to set up a pre-determined trading schedule to avoid accusations of trading on non-public information. The shares are held indirectly by a trust.