Atlassian CEO Cannon-Brookes reports Rule 10b5-1 stock sales

Atlassian Corp insider Michael Cannon-Brookes, the CEO, Co-Founder, director and 10% owner of TEAM, reported multiple open-market sales of Class A Common Stock on 12/16/2025.

Rhea-AI Filing Summary

Atlassian Corp insider Michael Cannon-Brookes, the CEO, Co-Founder, director and 10% owner of TEAM, reported multiple open-market sales of Class A Common Stock on 12/16/2025. The transactions, all coded as sales, were executed under a Rule 10b5-1 trading plan adopted on February 20, 2025, with weighted-average prices reported including $162.69 and $159.881, reflecting trades executed in intraday price ranges detailed in the filing.

Following these sales, Cannon-Brookes is reported as beneficially owning 76,650 shares of Atlassian Class A Common Stock, held indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. The filing notes that full trade-by-trade price and share information is available upon request to the SEC staff, the issuer, or any security holder.

Insider Trade Summary

Net Seller: 7,665 shares

Net Sell 5 txns

Insider Cannon-Brookes Michael

Role CEO, Co-Founder

Sold 7,665 shs ($1.23M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	150	$162.69	$24K
Sale	Class A Common Stock	3,131	$159.881	$501K
Sale	Class A Common Stock	1,351	$159.0262	$215K
Sale	Class A Common Stock	1,663	$161.8362	$269K
Sale	Class A Common Stock	1,370	$161.0444	$221K

Holdings After Transaction: Class A Common Stock — 76,650 shares (Indirect, See Footnote)

Footnotes (7)

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 $162.51 to $162.84. 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 $159.41 to $160.36. 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.
5. F5. This transaction was executed in multiple trades during the day at prices ranging from $158.41 to $159.41. 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 $161.50 to $162.49. 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. F7. This transaction was executed in multiple trades during the day at prices ranging from $160.50 to $161.45. 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

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What insider transaction did Atlassian (TEAM) report in this Form 4?

The filing reports that Michael Cannon-Brookes, Atlassian's CEO, Co-Founder, director and 10% owner, executed multiple open-market sales of Atlassian Class A Common Stock on 12/16/2025.

At what prices did Michael Cannon-Brookes sell Atlassian (TEAM) shares?

The reported weighted-average sale prices include $162.69, $159.881, $159.0262, $161.8362 and $161.0444, with each price representing multiple trades executed within intraday ranges noted in the footnotes.

How many Atlassian (TEAM) shares does Michael Cannon-Brookes own after these sales?

After the reported transactions, the Form 4 states that 76,650 shares of Atlassian Class A Common Stock are beneficially owned indirectly by Michael Cannon-Brookes.

How are Michael Cannon-Brookes' remaining Atlassian (TEAM) shares held?

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

Were the Atlassian (TEAM) insider sales under a Rule 10b5-1 plan?

Yes. The filing states that the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 20, 2025.

What does the Rule 10b5-1 reference mean for these Atlassian (TEAM) trades?

The Form 4 indicates that the trades were made under a pre-established Rule 10b5-1 trading plan, which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) for planned insider transactions.

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Accepted by SEC EDGAR 12/17/2025 - 05:39 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)
12/16/2025

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	12/16/2025		S(1)		150	D	$162.69(2)	84,165	I	See Footnote(3)
Class A Common Stock	12/16/2025		S(1)		3,131	D	$159.881(4)	81,034	I	See Footnote(3)
Class A Common Stock	12/16/2025		S(1)		1,351	D	$159.0262(5)	79,683	I	See Footnote(3)
Class A Common Stock	12/16/2025		S(1)		1,663	D	$161.8362(6)	78,020	I	See Footnote(3)
Class A Common Stock	12/16/2025		S(1)		1,370	D	$161.0444(7)	76,650	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 $162.51 to $162.84. 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 $159.41 to $160.36. 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.

5. This transaction was executed in multiple trades during the day at prices ranging from $158.41 to $159.41. 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 $161.50 to $162.49. 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 $160.50 to $161.45. 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	12/17/2025
	** 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.
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