CEO-linked trust trims Atlassian (TEAM) stake via 10b5-1 plan

Rhea-AI Filing Summary

Atlassian Corp insider activity shows indirect sales of Class A Common Stock reported by CEO, co-founder and 10% owner Michael Cannon-Brookes. The shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

On January 28, 2026, the trust executed several open-market sales under a Rule 10b5-1 trading plan adopted on February 20, 2025. Individual transactions included 455 shares at a weighted-average price of $137.8009, 445 shares at $136.6244, 3,700 shares at $135.3483, 2,785 shares at $134.6723, and 280 shares at $138.5868, each in multiple trades within stated intraday price ranges.

After the last reported sale, the trust held 329,595 Atlassian Class A shares indirectly attributed to Cannon-Brookes.

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
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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)
01/28/2026

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	01/28/2026		S(1)		455	D	$137.8009(2)	336,805	I	See Footnote(3)
Class A Common Stock	01/28/2026		S(1)		445	D	$136.6244(4)	336,360	I	See Footnote(3)
Class A Common Stock	01/28/2026		S(1)		3,700	D	$135.3483(5)	332,660	I	See Footnote(3)
Class A Common Stock	01/28/2026		S(1)		2,785	D	$134.6723(6)	329,875	I	See Footnote(3)
Class A Common Stock	01/28/2026		S(1)		280	D	$138.5868(7)	329,595	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 $137.20 to $138.18. 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 $136.20 to $137.19. 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.

5. This transaction was executed in multiple trades during the day at prices ranging from $135.00 to $135.85. 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 $134.00 to $134.99. 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 $138.41 to $138.88. 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.

Remarks:

	/s /Drew Parkes, Attorney-in-Fact for Cannon-Brookes Michael	01/29/2026
	** 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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FAQ

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

Atlassian disclosed indirect sales of Class A Common Stock linked to CEO and co-founder Michael Cannon-Brookes. Shares were sold on January 28, 2026, by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust across several open-market transactions at different weighted-average prices.

Who actually held the Atlassian (TEAM) shares sold in this filing?

The sold shares were held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. Michael Cannon-Brookes reported the transactions as an indirect owner, reflecting his beneficial interest through the trust rather than direct personal ownership of the Class A Common Stock.

Were the Atlassian (TEAM) insider sales part of a pre-planned Rule 10b5-1 program?

Yes. The filing states the January 28, 2026 transactions were executed under a Rule 10b5-1 trading plan. That plan was adopted by the reporting person on February 20, 2025, providing a pre-arranged framework for selling shares over time.

What prices were received for the Atlassian (TEAM) shares sold on January 28, 2026?

The filing reports weighted-average prices per share of $137.8009, $136.6244, $135.3483, $134.6723, and $138.5868. Each sale was executed in multiple trades within specific intraday ranges, and detailed trade-level price information is available on request from the reporting person.

How many Atlassian (TEAM) shares did the trust hold after the reported sales?

After the final January 28, 2026 transaction, the Cannon-Brookes Head Trust, with CBC Co Pty Limited as trustee, held 329,595 Atlassian Class A shares. This balance reflects the remaining indirectly owned shares attributed to Michael Cannon-Brookes following the series of reported open-market sales.

What is Michael Cannon-Brookes’ role at Atlassian (TEAM) according to this Form 4?

The filing lists Michael Cannon-Brookes as a director, a 10% owner, and an officer of Atlassian. His officer title is given as CEO and Co-Founder, clarifying that these reported transactions relate to a major executive and significant shareholder of the company.