Atlassian (NASDAQ: TEAM) CEO trust sells Class A shares via 10b5-1

Rhea-AI Filing Summary

CBC Co Pty Limited, as trustee for the Cannon-Brookes Head Trust associated with Atlassian Corp’s CEO and co-founder Michael Cannon-Brookes, reported multiple sales of Atlassian Class A Common Stock. On January 5, 2026, the trust sold blocks of shares in several transactions, including 300 shares at $155.93 and 1,624 shares at $155.1675, reported as indirect ownership. After these transactions, one reported line shows 452,235 Class A shares indirectly beneficially owned.

The filing states that the sales were made under a Rule 10b5-1 trading plan adopted by the reporting person on February 20, 2025, and that each transaction was executed in multiple trades at various prices during the day, with weighted-average prices disclosed.

Insights

Insider transactions analyst

CEO-linked trust reports scheduled Atlassian share sales under a 10b5-1 plan.

The filing shows that CBC Co Pty Limited, as trustee for the Cannon-Brookes Head Trust, carried out several sales of Atlassian Class A Common Stock on January 5, 2026. These are reported as indirect holdings associated with Michael Cannon-Brookes in his roles as CEO, co-founder, director and 10% owner. Transactions include discrete blocks such as 300 shares at $155.93 and 1,624 shares at $155.1675.

The disclosure specifies that the trades were made pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025, indicating they were pre-arranged rather than opportunistic. Each sale was executed in multiple trades within specified intraday price ranges, with weighted-average prices reported. Following the reported sales, one line shows 452,235 indirectly held shares, providing a snapshot of remaining beneficial ownership tied to this trust.

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)
01/05/2026

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	01/05/2026		S(1)		300	D	$155.93(2)	459,600	I	See Footnote(3)
Class A Common Stock	01/05/2026		S(1)		1,624	D	$155.1675(4)	457,976	I	See Footnote(3)
Class A Common Stock	01/05/2026		S(1)		4,214	D	$154.0399(5)	453,762	I	See Footnote(3)
Class A Common Stock	01/05/2026		S(1)		1,527	D	$153.2898(6)	452,235	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 $155.75 to $156.31. 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 $154.71 to $155.69. 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 $153.68 to $154.67. 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 $152.67 to $153.66. 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	01/06/2026
	** 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.
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

Who reported the insider transactions in Atlassian Corp (TEAM) on this Form 4?

The transactions are reported for Michael Cannon-Brookes, Atlassian’s CEO, co-founder, director and 10% owner, with the shares held indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

What type of Atlassian Corp (TEAM) shares were sold and on what date?

The filing reports sales of Atlassian Class A Common Stock on January 5, 2026 in several separate transactions, all coded as open-market sales (code S).

How many Atlassian Class A shares were sold in the larger reported blocks?

Reported transactions include separate blocks of 300 shares at $155.93, 1,624 shares at $155.1675, 4,214 shares at $154.0399, and 1,527 shares at $153.2898, each reported as indirect sales by the trust.

Were the Atlassian insider sales made under a Rule 10b5-1 trading plan?

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

How many Atlassian shares remained indirectly owned after the reported transactions?

After the final reported sale, the form shows 452,235 shares of Atlassian Class A Common Stock beneficially owned indirectly through the trust.

How were the transaction prices for the Atlassian insider sales determined and reported?

Footnotes explain that each transaction was executed in multiple trades within specified intraday price ranges, and the weighted-average price for each block of sold shares is what is reported in the table.