[Form 4] Atlassian Corporation Insider Trading Activity

Rhea-AI Filing Summary

Form 4 snapshot: On 25 Jul 2025 Atlassian (TEAM) co-CEO, co-founder, director and 10 % owner Michael Cannon-Brookes reported the sale of 7,665 Class A shares held indirectly through CBC Co Pty Ltd as trustee for the Cannon-Brookes Head Trust.

• Sales executed under a Rule 10b5-1 plan adopted 20 Feb 2025.
• Weighted-average prices ranged from $200.57 to $203.41, generating roughly $1.55 million in gross proceeds.
• Post-sale indirect holding: 352,590 Class A shares (about 0.2 % reduction).

No derivative securities were involved and the transactions appear to be routine portfolio management rather than a signal of material, company-specific developments.

Positive

• Sales conducted under a pre-arranged Rule 10b5-1 plan, signaling transparency and reduced timing risk.

Negative

• CEO/10 % owner reduced indirect stake by 7,665 shares, a potential negative sentiment indicator despite small size.

Insights

Securities Analyst

TL;DR: Small, pre-planned insider sale; neutral for valuation.

The divestiture represents less than 2 % of Cannon-Brookes’ reported indirect stake and an immaterial fraction of Atlassian’s 247 million-share float. Because the trades were executed under a disclosed 10b5-1 plan, timing risk is limited. Proceeds (~$1.55 m) do not suggest strategic repositioning, and the executive retains meaningful exposure, maintaining alignment with shareholders. The filing therefore has no discernible impact on TEAM’s fundamental outlook or near-term price trajectory.

Corporate Governance Expert

TL;DR: 10b5-1 plan reduces governance concerns; impact neutral.

Use of an established trading plan signals adherence to best-practice governance, providing transparency and mitigating allegations of opportunistic selling. The modest scale and indirect nature limit any red flags. Shareholders should monitor cumulative sales, but this isolated event does not alter governance risk or insider-confidence readings.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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)
07/25/2025

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	07/25/2025		S(1)		688	D	$203.4097(2)	359,567	I	See Footnote(3)
Class A Common Stock	07/25/2025		S(1)		800	D	$200.5719(4)	358,767	I	See Footnote(3)
Class A Common Stock	07/25/2025		S(1)		782	D	$201.8657(5)	357,985	I	See Footnote(3)
Class A Common Stock	07/25/2025		S(1)		5,395	D	$202.834(6)	352,590	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 $203.31 to $203.64. 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 $200.16 to $201.14. 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 $201.29 to $202.21. 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 $202.29 to $203.27. 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	07/28/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many Atlassian (TEAM) shares did Michael Cannon-Brookes sell?

He sold 7,665 Class A shares on 25 Jul 2025.

What prices did the insider receive for the TEAM shares?

Weighted-average prices ranged from $200.57 to $203.41 per share.

How many shares does Cannon-Brookes still own after the sale?

He retains 352,590 Class A shares held indirectly through a trust.

Was the transaction made under a Rule 10b5-1 trading plan?

Yes. The plan was adopted on 20 Feb 2025.

Is the sale material to Atlassian’s float?

No. The 7,665 shares equal ~0.003 % of total shares outstanding, making it immaterial.