SEC Filing Analysis: Atlassian Corp (TEAM)

Executive Summary

• Trading Significance: Low
• Key Takeaway: Co-Founder and CEO Michael Cannon-Brookes sold $1.02 million worth of Class A Common Stock as part of a pre-scheduled 10b5-1 trading plan.
• Market Impact: The transaction is immaterial relative to the company's market capitalization and is unlikely to influence the market due to its automated nature and small size.

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, 10% Owner

Transaction Details

Field	Value
Form Type	4
Transaction Date	2026-01-14
Transaction Code	S (Sale)
Security Type	Class A Common Stock
Shares Involved	7,665
Price Per Share	~$133.64 (Volume Weighted Average)
Total Value	$1,024,438.35
Shares Owned After	398,580
Ownership Type	Indirect (Held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust)

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$1,024,438.35
% of Market Cap	0.0026%
Shares Transacted	7,665
% of Shares Outstanding	N/A (Shares outstanding data not provided)
Post-Transaction Ownership	398,580 shares
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The $1.02 million sale is negligible for a company with a market capitalization of approximately $39.94 billion. The transaction value represents only 0.0026% of the company's total market value.
• Ownership Concentration: While the insider remains a significant shareholder, this sale represents a very small portion of their holdings. The specific percentage of their holdings sold cannot be precisely calculated without knowing their starting position before this series of trades, but it is a minor reduction.
• Transaction Significance: The sale is rated as having low significance. The value is far below the 0.1% of market cap threshold for moderate significance, and it was executed under a 10b5-1 plan, indicating it was pre-scheduled and not based on immediate, non-public information.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: Automated sales under 10b5-1 plans are common for executive compensation and portfolio diversification. The market generally does not react to these routine, pre-planned transactions, especially when they are small relative to the company's size.

Volume & Sentiment

• Expected Volume Impact: Negligible. The transaction size is too small to have a noticeable impact on daily trading volume.
• Sentiment Indicator: Neutral. This filing does not provide a bullish or bearish signal due to the pre-planned nature of the sale.

Additional Context

Transaction Notes

• Special Circumstances: The filing explicitly states in Footnote F1 that the transactions were "effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025." This is the most critical piece of context, as it separates the sale from a discretionary decision made on the transaction date.