SEC Filing Analysis: Atlassian Corp (TEAM)

Executive Summary

• Trading Significance: Low
• Key Takeaway: Co-Founder and CEO Michael Cannon-Brookes sold $1.2 million worth of Class A Common Stock under a pre-scheduled 10b5-1 trading plan.
• Market Impact: The transaction is immaterial, representing a negligible fraction of the company's market capitalization and total shares outstanding.

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	2025-11-07
Transaction Code	S (Sale)
Security Type	Class A Common Stock
Shares Involved	7,665
Price Per Share	$155.57 (Weighted Average)
Total Value	$1,192,503.62
Shares Owned After	275,940
Ownership Type	Indirect

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$1,192,503.62
% of Market Cap	0.0029%
Shares Transacted	7,665
% of Shares Outstanding	0.0046%
Post-Transaction Ownership	275,940 shares (0.166% of outstanding)
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: The $1.2M sale is insignificant for a large-cap company with a market capitalization of $41.53 billion.
• Ownership Concentration: The sale represents a minor reduction in the insider's holdings, which remain substantial. The sale constituted approximately 2.7% of the insider's reported holdings prior to the transaction.
• Transaction Significance: The transaction's size is well below the thresholds for moderate or high significance. Its execution under a 10b5-1 plan further diminishes its importance as a discretionary trading signal.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The sale is too small to have a market impact and was executed under a pre-arranged trading plan, indicating it is not based on new, non-public information.

Volume & Sentiment

• Expected Volume Impact: Negligible. The transaction size is a tiny fraction of typical daily trading volume for TEAM.
• Sentiment Indicator: Neutral. Pre-planned sales by founders for diversification or liquidity are common and do not typically influence market sentiment.

Additional Context

Transaction Notes

• Special Circumstances: All transactions were executed pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025. Shares are held indirectly by a trust.