[Form 4] Atlassian Corp Insider Trading Activity

Rhea-AI Filing Summary

Atlassian Corp reported that a trust associated with CEO, co-founder and director Michael Cannon-Brookes sold Class A common stock in pre‑planned trades. On January 21, 2026, CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust sold a total of 7,665 Class A shares in multiple transactions at prices ranging from about $117.86 to $122.99 per share. These sales were made under a Rule 10b5‑1 trading plan adopted on February 20, 2025, which automates selling according to preset instructions. After these transactions, the trust beneficially owned 367,920 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
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)
01/21/2026

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	01/21/2026		S(1)		50	D	$122.99	375,535	I	See Footnote(2)
Class A Common Stock	01/21/2026		S(1)		3,894	D	$121.5226(3)	371,641	I	See Footnote(2)
Class A Common Stock	01/21/2026		S(1)		2,021	D	$122.2744(4)	369,620	I	See Footnote(2)
Class A Common Stock	01/21/2026		S(1)		250	D	$119.178(5)	369,370	I	See Footnote(2)
Class A Common Stock	01/21/2026		S(1)		1,300	D	$120.4811(6)	368,070	I	See Footnote(2)
Class A Common Stock	01/21/2026		S(1)		150	D	$117.8567(7)	367,920	I	See Footnote(2)

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

3. This transaction was executed in multiple trades during the day at prices ranging from $120.96 to $121.95. 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.

4. This transaction was executed in multiple trades during the day at prices ranging from $121.98 to $122.91. 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 $118.88 to $119.74. 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 $119.92 to $120.89. 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 $117.51 to $118.46. 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	01/22/2026
	** 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

What insider transaction did Atlassian (TEAM) disclose for Michael Cannon-Brookes?

The filing shows that a trust associated with Michael Cannon-Brookes, Atlassian's CEO, co-founder, director and 10% owner, sold Class A common stock in a series of planned transactions on January 21, 2026.

How many Atlassian (TEAM) shares were sold in this Form 4 filing?

On January 21, 2026, CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust sold a total of 7,665 Class A common shares across six transactions.

At what prices were Atlassian (TEAM) shares sold in the reported trades?

The reported Class A share sales occurred at prices from about $117.8567 to $122.99 per share, with several trades executed as weighted-average prices across intraday ranges.

Who actually holds the Atlassian (TEAM) shares reported in this Form 4?

The shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, and are reported as indirectly beneficially owned by Michael Cannon-Brookes.

Did Atlassian’s CEO use a Rule 10b5-1 trading plan for these TEAM share sales?

Yes. The filing states the transactions were effected under a Rule 10b5‑1 trading plan adopted by Michael Cannon-Brookes on February 20, 2025.

How many Atlassian (TEAM) shares remain beneficially owned after these sales?

After the reported January 21, 2026 transactions, the trust beneficially owned 367,920 Atlassian Class A common shares, indirectly attributed to Michael Cannon-Brookes.