Atlassian CEO Cannon-Brookes reports planned stock sales

Atlassian Corp CEO, Co-Founder and director Michael Cannon-Brookes, a 10% owner of the company, reported multiple open-market sales of Atlassian Class A common stock on 12/10/2025.

Rhea-AI Filing Summary

Atlassian Corp CEO, Co-Founder and director Michael Cannon-Brookes, a 10% owner of the company, reported multiple open-market sales of Atlassian Class A common stock on 12/10/2025. The transactions were executed pursuant to a Rule 10b5-1 trading plan he adopted on February 20, 2025.

The sales, coded as "S", were carried out at weighted-average prices of $161.7016, $162.7607, $163.6574 and $160.9058 per share. Following these trades, 107,310 Class A shares were beneficially owned indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Insider Trade Summary

Net Seller: 7,665 shares

Net Sell 4 txns

Insider Cannon-Brookes Michael

Role CEO, Co-Founder

Sold 7,665 shs ($1.24M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,279	$161.7016	$692K
Sale	Class A Common Stock	1,152	$162.7607	$188K
Sale	Class A Common Stock	450	$163.6574	$74K
Sale	Class A Common Stock	1,784	$160.9058	$287K

Holdings After Transaction: Class A Common Stock — 107,310 shares (Indirect, See Footnote)

Footnotes (6)

1. F1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.
2. F2. This transaction was executed in multiple trades during the day at prices ranging from $161.37 to $162.35. 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. F3. Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.
4. F4. This transaction was executed in multiple trades during the day at prices ranging from $162.38 to $163.37. 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. F5. This transaction was executed in multiple trades during the day at prices ranging from $163.47 to $163.88. 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. F6. This transaction was executed in multiple trades during the day at prices ranging from $160.37 to $161.36. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Atlassian Corp (TEAM) report?

Atlassian Corp reported that its CEO, Co-Founder and director Michael Cannon-Brookes executed multiple open-market sales of Class A common stock on 12/10/2025, coded as sale transactions.

Who is the reporting person in this Atlassian TEAM insider filing?

The reporting person is Michael Cannon-Brookes, who serves as CEO, Co-Founder, director and is identified as a 10% owner of Atlassian Corp.

Were the Atlassian CEOs stock sales made under a Rule 10b5-1 plan?

Yes. A footnote states that the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Michael Cannon-Brookes on February 20, 2025.

At what prices were the Atlassian Class A shares sold by Michael Cannon-Brookes?

The filing reports weighted-average sale prices of $161.7016, $162.7607, $163.6574 and $160.9058 per share. Footnotes explain that each was executed in multiple trades within intraday ranges, including $161.37 to $162.35, $162.38 to $163.37, $163.47 to $163.88 and $160.37 to $161.36.

How many Atlassian shares does Michael Cannon-Brookes beneficially own after these transactions?

After the reported transactions, the filing shows 107,310 Atlassian Class A common shares beneficially owned following the trades.

How are the Atlassian shares held for Michael Cannon-Brookes?

A footnote explains that the shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, and are reported as indirectly owned.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/11/2025 - 05:21 PM Learn about SEC filing dates

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)
12/10/2025

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	12/10/2025		S(1)		4,279	D	$161.7016(2)	110,696	I	See Footnote(3)
Class A Common Stock	12/10/2025		S(1)		1,152	D	$162.7607(4)	109,544	I	See Footnote(3)
Class A Common Stock	12/10/2025		S(1)		450	D	$163.6574(5)	109,094	I	See Footnote(3)
Class A Common Stock	12/10/2025		S(1)		1,784	D	$160.9058(6)	107,310	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 $161.37 to $162.35. 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 $162.38 to $163.37. 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 $163.47 to $163.88. 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 $160.37 to $161.36. 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	12/11/2025
	** 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.