[Form 4] Atlassian Corporation Insider Trading Activity

Rhea-AI Filing Summary

Michael Cannon-Brookes, CEO and 10% owner of Atlassian Corporation (TEAM), reported multiple sales of Class A common stock on 08/15/2025 executed under a Rule 10b5-1 trading plan adopted on 02/20/2025. The Form 4 lists six separate disposition entries totalling 7,665 shares sold across prices with weighted averages reported per lot, and post-transaction beneficial ownership of 237,615 shares held indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. Footnotes disclose intra-day price ranges for each lot and the filer offers to provide full trade-level details on request. The Form was signed by an attorney-in-fact on behalf of the reporting person.

Positive

• Transactions executed under a Rule 10b5-1 trading plan, indicating pre-established trading instructions
• Full intra-day price ranges and weighted-average prices disclosed per lot, increasing transparency
• Post-transaction beneficial ownership disclosed and holdings are held indirectly through a trustee

Negative

• Insider sold 7,665 shares, reducing beneficial ownership from previously reported levels
• No aggregate proceeds amount provided (investors must request trade-level details for totals)

Insights

Securities Analyst

TL;DR: Insider sales under a 10b5-1 plan reduced holdings modestly; no derivatives or additional material disclosures were reported.

The filing documents methodical sales by the CEO under a pre-established trading plan, which reduces the likelihood sales were motivated by non-public information. The total sold, 7,665 shares, represents a small percentage of the reported post-transaction indirect holdings of 237,615 shares, indicating limited immediate dilution or governance impact. Detailed intra-day price ranges are provided per lot, and the filer affirms availability of full trade data on request, improving transparency for investors and regulators.

Corporate Governance Expert

TL;DR: Sales followed a documented Rule 10b5-1 plan and were disclosed promptly; governance controls appear followed.

The report shows compliance with Section 16 reporting and cites a 10b5-1 plan adoption date, which supports adherence to insider-trading controls. Indirect ownership through a trustee is disclosed, and the attorney-in-fact signature completes the filing formalities. No new beneficial ownership arrangements, option exercises, or derivative transactions are reported, limiting governance complexity from this filing alone.

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).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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)
08/15/2025

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	08/15/2025		S(1)		2,765	D	$167.7962(2)	242,515	I	See Footnote(3)
Class A Common Stock	08/15/2025		S(1)		165	D	$168.5997(4)	242,350	I	See Footnote(3)
Class A Common Stock	08/15/2025		S(1)		250	D	$164.7697(5)	242,100	I	See Footnote(3)
Class A Common Stock	08/15/2025		S(1)		3,163	D	$167.0014(6)	238,937	I	See Footnote(3)
Class A Common Stock	08/15/2025		S(1)		100	D	$162.695(7)	238,837	I	See Footnote(3)
Class A Common Stock	08/15/2025		S(1)		1,222	D	$165.9818(8)	237,615	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 $167.37 to $168.33. 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.

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 $168.41 to $168.71. 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 $164.24 to $165.19. 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 $166.35 to $167.34. 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 $162.60 to $162.79. 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 $165.35 to $166.32. 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	08/18/2025
	** 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

What did Michael Cannon-Brookes report on the Form 4 for TEAM?

He reported multiple sales of Class A common stock on 08/15/2025 totaling 7,665 shares, executed under a Rule 10b5-1 plan.

Were the sales by TEAM's CEO part of a 10b5-1 plan?

Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on 02/20/2025.

How many TEAM shares does the reporting person beneficially own after the transactions?

237,615 shares are reported as beneficially owned indirectly following the reported transactions.

Are the sold share prices disclosed in the TEAM Form 4?

Weighted-average prices are reported per lot, and footnotes provide intra-day price ranges for each transaction.

Who holds the remaining TEAM shares reported by the filing?

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