[Form 4] Atlassian Corporation Insider Trading Activity

Rhea-AI Filing Summary

Atlassian (TEAM) Form 4: CEO, co-founder and 10% owner Michael Cannon-Brookes sold a total of 7,765 Class A shares on 22 Jul 2025 under a pre-arranged Rule 10b5-1 plan adopted 20 Feb 2025.

The stock was disposed of in seven separate trades at weighted-average prices between $195.965 and $202.35, generating roughly $1.55 million in gross proceeds. Following the sales, the insider—through CBC Co Pty Ltd as trustee of the Cannon-Brookes Head Trust—continues to hold 375,585 Class A shares, maintaining more than 98% of his prior indirect position and his 10% beneficial-owner status.

No derivative activity or purchases were reported. Given the modest 2% reduction in holdings and the existence of a 10b5-1 plan, the transactions appear routine and are unlikely to materially alter insider alignment, though any CEO liquidation can create short-term sentiment pressure.

Insights

Financial Analyst

TL;DR: Small, pre-planned CEO sale; negligible impact on ownership or thesis.

The 7,765-share sale represents ~2% of Cannon-Brookes’ stake and less than 0.3% of daily TEAM volume, limiting market impact. Proceeds of ~$1.55 m are immaterial relative to his remaining ~$75 m holding. Executed under a February-adopted 10b5-1 plan, the transaction reduces signaling risk. From a valuation standpoint, the filing does not change cash flow, guidance, or strategic outlook; therefore I view the development as neutral.

Corporate Governance Expert

TL;DR: Governance-compliant sale; insider still strongly aligned.

The filing demonstrates adherence to SEC Rule 10b5-1 best practices, with full price ranges disclosed and trustee ownership clarified. Retention of 375,585 shares preserves significant skin-in-the-game, supporting shareholder alignment. While any director sale draws attention, the minimal size and structured plan suggest routine liquidity rather than adverse insider insight. I classify the event as governance-neutral.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Cannon-Brookes Michael

(Last) (First) (Middle)

C/O ATLASSIAN CORPORATION

350 BUSH STREET, FLOOR 13

(Street)

SAN FRANCISCO CA 94104

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Atlassian Corp [ TEAM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, Co-Founder

3. Date of Earliest Transaction (Month/Day/Year)
07/22/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	07/22/2025		S(1)		150	D	$202.35(2)	383,100	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		100	D	$195.965(4)	383,000	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		1,239	D	$200.4991(5)	381,761	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		1,002	D	$201.5182(6)	380,759	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		1,412	D	$198.7091(7)	379,347	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		3,112	D	$199.5942(8)	376,235	I	See Footnote(3)
Class A Common Stock	07/22/2025		S(1)		650	D	$196.9352(9)	375,585	I	See Footnote(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.

2. This transaction was executed in multiple trades during the day at prices ranging from $202.28 to $202.47. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

3. Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

4. This transaction was executed in multiple trades during the day at prices ranging from $195.60 to $196.33. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

5. This transaction was executed in multiple trades during the day at prices ranging from $200.07 to $201.06. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

6. This transaction was executed in multiple trades during the day at prices ranging from $201.07 to $201.91. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

7. This transaction was executed in multiple trades during the day at prices ranging from $198.05 to $199.04. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

8. This transaction was executed in multiple trades during the day at prices ranging from $199.05 to $200.04. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

9. This transaction was executed in multiple trades during the day at prices ranging from $196.69 to $197.38. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

Remarks:

	/s/ Veena Bhatia, Attorney-in-Fact for Cannon-Brookes Michael	07/23/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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