[Form 4] Atlassian Corporation Insider Trading Activity

Rhea-AI Filing Summary

Michael Cannon-Brookes, listed as CEO, director and a 10% owner of Atlassian Corporation (TEAM), reported multiple sales of Class A common stock on 08/12/2025. The Form 4 shows seven separate dispositions totaling 7,665 shares, executed in multiple trades during the day under a Rule 10b5-1 trading plan adopted February 20, 2025. Weighted-average prices for the reported blocks are shown roughly in the $158–$164 range. Shares are held indirectly by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, and the last reported indirect beneficial ownership after these transactions is 260,610 shares. The form was signed by attorney-in-fact Veena Bhatia on 08/13/2025.

Positive

• Transactions were executed pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025, indicating pre-planned sales.
• Form shows clear disclosure of multiple trades, weighted-average prices, and indirect ownership via CBC Co Pty Limited as trustee.
• Form is signed by an attorney-in-fact (Veena Bhatia), indicating formal execution of the filing.

Negative

• Reported dispositions reduced indirect holdings to 260,610 shares after the last reported sale.
• Insider sales comprised 7,665 Class A shares on a single day (08/12/2025), which may be noted by investors despite being under a plan.

Insights

Securities Analyst

TL;DR: Insider sales of 7,665 TEAM shares were executed under a pre-established 10b5-1 plan; routine disclosure, limited immediate market impact.

The Form 4 documents seven dispositions by Michael Cannon-Brookes on 08/12/2025 totaling 7,665 Class A shares, with weighted-average prices reported per block between about $158 and $164. Transactions were executed pursuant to a Rule 10b5-1 plan adopted on February 20, 2025, and were processed in multiple trades during the day. Holdings are reported indirectly via CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust, with the last reported indirect ownership of 260,610 shares. From a market-impact perspective, these are disclosed, planned sales rather than ad hoc liquidations.

Corporate Governance Expert

TL;DR: Proper governance procedures appear followed—sales under a 10b5-1 plan and form signed by attorney-in-fact—supporting compliance with disclosure rules.

The filing clearly states the trades were effected pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025, and includes footnotes describing execution in multiple trades and weighted-average prices. The disclosure identifies indirect beneficial ownership via a trustee and is signed by an attorney-in-fact, Veena Bhatia, on 08/13/2025. These elements indicate adherence to Section 16 reporting and 10b5-1 documentation requirements as presented in the form.

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)
08/12/2025

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	08/12/2025		S(1)		816	D	$162.9253(2)	267,459	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		300	D	$163.7017(4)	267,159	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		2,087	D	$157.9903(5)	265,072	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		850	D	$159.9018(6)	264,222	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		1,373	D	$160.9024(7)	262,849	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		1,039	D	$161.8(8)	261,810	I	See Footnote(3)
Class A Common Stock	08/12/2025		S(1)		1,200	D	$158.7876(9)	260,610	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 $162.44 to $163.41. 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 $163.51 to $164.19. 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 $157.36 to $158.34. 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 $159.41 to $160.40. 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 $160.42 to $161.39. 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 $161.44 to $162.43. 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 $158.38 to $159.26. 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	08/13/2025
	** 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 did Michael Cannon-Brookes report on Form 4 for TEAM?

The Form 4 reports seven dispositions of Class A common stock on 08/12/2025 under a Rule 10b5-1 plan, totaling 7,665 shares.

Were the sales by TEAM's CEO part of a 10b5-1 plan?

Yes. The Form 4 states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on February 20, 2025.

At what prices were the TEAM shares sold on 08/12/2025?

Weighted-average prices for the reported blocks are shown on the form in the approximate range of $158 to $164, with detailed ranges provided in footnotes.

How many shares does Cannon-Brookes indirectly hold after these transactions?

The filing shows the last reported indirect beneficial ownership after the transactions as 260,610 shares held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

Who signed the Form 4 for Michael Cannon-Brookes?

The Form 4 was signed by Veena Bhatia, Attorney-in-Fact, on 08/13/2025.