Atlassian (TEAM) CEO trust trims Class A stake after 10b5-1 sales

Rhea-AI Filing Summary

Atlassian Corp reported insider activity involving Class A Common Stock on January 16, 2026. A series of open-market sales of Atlassian Class A shares were reported for Michael Cannon-Brookes in an indirect capacity, with the shares held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. After the final reported sale, the trust held 383,250 Class A shares indirectly.

The sales were executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 20, 2025. Each transaction was carried out in multiple trades during the day, with a weighted-average price reported for each line and a commitment to provide full trade details and price breakdowns upon request to regulators, the issuer, or its security holders.

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)
01/16/2026

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	01/16/2026		S(1)		1,552	D	$119.6309(2)	389,363	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		931	D	$121.0578(4)	388,432	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		100	D	$123.955(5)	388,332	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		2,132	D	$118.7736(6)	386,200	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		150	D	$125.45(7)	386,050	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		900	D	$122.0783(8)	385,150	I	See Footnote(3)
Class A Common Stock	01/16/2026		S(1)		1,900	D	$122.8284(9)	383,250	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 $119.31 to $120.14. 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 $120.41 to $121.38. 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 $123.83 to $124.08. 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 $118.28 to $119.25. 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 $125.34 to $125.53. 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.

8. This transaction was executed in multiple trades during the day at prices ranging from $121.46 to $122.44. 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.

9. This transaction was executed in multiple trades during the day at prices ranging from $122.48 to $123.44. 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	01/16/2026
	** 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) report on January 16, 2026?

The filing reports multiple sales of Atlassian Class A Common Stock on January 16, 2026, as indirect transactions for Michael Cannon-Brookes through a trust structure.

Who executed the Atlassian (TEAM) share sales disclosed in this Form 4?

The shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, and the transactions are reported by Michael Cannon-Brookes in that indirect ownership capacity.

How many Atlassian Class A shares were held after the reported transactions?

Following the final reported transaction on January 16, 2026, the trust beneficially held 383,250 shares of Atlassian Class A Common Stock indirectly.

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

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

What price information is disclosed for the Atlassian insider sales?

Each sale is reported with a weighted-average price per share, and the filing notes that individual trade prices fell within specified intraday ranges. The reporting person undertakes to provide detailed trade and price information upon request.

Does this Atlassian Form 4 involve any derivative securities?

No derivative securities are reported as acquired, disposed of, or held in the Table II section of this Form 4 excerpt.