Trust linked to Atlassian (TEAM) CEO sells 7,665 shares via 10b5-1 plan

Rhea-AI Filing Summary

Atlassian Corp insider activity centers on a trust linked to CEO and Co‑Founder Michael Cannon‑Brookes. On January 29, 2026, CBC Co Pty Limited as trustee for the Cannon‑Brookes Head Trust sold a total of 7,665 shares of Class A Common Stock in a series of open‑market transactions.

The sales, executed at weighted‑average prices between about $116 and $123 per share, were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on February 20, 2025. Following these trades, the trust beneficially held 321,930 Class A shares on an indirect basis.

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)
01/29/2026

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	01/29/2026		S(1)		300	D	$116.6967(2)	329,295	I	See Footnote(3)
Class A Common Stock	01/29/2026		S(1)		2,500	D	$119.6025(4)	326,795	I	See Footnote(3)
Class A Common Stock	01/29/2026		S(1)		3,072	D	$118.813(5)	323,723	I	See Footnote(3)
Class A Common Stock	01/29/2026		S(1)		50	D	$123.17	323,673	I	See Footnote(3)
Class A Common Stock	01/29/2026		S(1)		1,200	D	$117.7776(6)	322,473	I	See Footnote(3)
Class A Common Stock	01/29/2026		S(1)		543	D	$120.4315(7)	321,930	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 $116.03 to $116.97. 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 $119.22 to $120.21. 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 $118.22 to $119.21. 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 $117.22 to $118.17. 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 $120.22 to $121.11. 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	01/30/2026
	** 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 in this Form 4?

The filing reports planned sales of Atlassian Class A Common Stock on January 29, 2026 by a trust associated with CEO and Co‑Founder Michael Cannon‑Brookes, executed under a pre‑arranged Rule 10b5‑1 trading plan adopted on February 20, 2025.

How many Atlassian (TEAM) shares were sold in the January 29, 2026 transactions?

The trust sold a total of 7,665 Atlassian Class A shares across six separate transactions. Individual blocks included 300, 2,500, 3,072, 50, 1,200 and 543 shares, each reported with its own weighted‑average sale price and resulting post‑trade share balance.

Who actually held 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. Michael Cannon‑Brookes is the reporting person, but the Form 4 specifies that this trust entity is the registered holder of the indirectly owned Class A Common Stock.

What is a Rule 10b5-1 trading plan in the context of Atlassian (TEAM)?

A Rule 10b5‑1 trading plan allows insiders to schedule trades in advance. Here, the filing states the January 29, 2026 stock sales were effected under a Rule 10b5‑1 plan adopted by the reporting person on February 20, 2025, before these transactions occurred.

What prices did the Atlassian (TEAM) shares sell for in these trades?

Each transaction used a weighted‑average sale price. Reported averages range from $116.6967 to $123.17 per share, with footnotes noting that actual trades occurred within narrower daily price ranges and full details are available on request to relevant parties.

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

After the final reported transaction, the trust beneficially owned 321,930 shares of Atlassian Class A Common Stock indirectly. The Form 4 shows this figure in the column for securities beneficially owned following the reported sequence of sales on January 29, 2026.

Were the Atlassian (TEAM) insider sales single trades or multiple executions?

Each Form 4 line reflects a weighted‑average price for transactions executed in multiple trades during the day. Footnotes explain that sales occurred across price ranges and that complete trade‑by‑trade details are available on request to the SEC staff, issuer or security holders.