[Form 4] Atlassian Corporation Insider Trading Activity

Rhea-AI Filing Summary

Atlassian (TEAM) insider sales by CEO Michael Cannon-Brookes: The filing shows multiple disposals of Class A common stock on 08/14/2025 executed under a Rule 10b5-1 trading plan adopted February 20, 2025. Total reported sales across five trades were 7,665 shares at weighted-average prices ranging from $160.81 to $164.6269, with per-trade execution price ranges disclosed in footnotes. The report lists Cannon-Brookes as a director, CEO and 10% owner and shows his beneficial ownership declining from 252,645 to 245,280 Class A shares across the reported transactions. The Form 4 was signed by an attorney-in-fact on 08/15/2025.

Positive

• Trades executed pursuant to a Rule 10b5-1 plan, indicating pre-arranged selling rather than opportunistic insider trading
• Detailed execution ranges and weighted-average prices are provided in footnotes, improving transparency
• Form signed by attorney-in-fact, showing adherence to filing procedures

Negative

• Reporting person disposed of 7,665 Class A shares, reducing beneficial ownership from 252,645 to 245,280 shares
• Sales occurred at market prices around $161–$165, which may be viewed unfavorably by some investors though no implication on fundamentals is provided

Insights

Financial Analyst

TL;DR: Insider sales under a pre-established 10b5-1 plan; transactions are disclosed and small relative to total holdings.

The reported disposals total 7,665 Class A shares executed on 08/14/2025 at weighted-average prices between $160.81 and $164.6269 under a 10b5-1 plan adopted 02/20/2025. This indicates systematic selling under a pre-approved plan rather than opportunistic trades. The filings provide per-trade price ranges and show beneficial ownership moving from 252,645 to 245,280 shares, a clear but modest reduction in stake. For investors, the disclosure is routine and transparent; there is no additional financial data here to assess impact on company fundamentals.

Corporate Governance Expert

TL;DR: Use of a 10b5-1 plan and attorney-in-fact signature align with governance best practices for insider transactions.

The Form 4 explicitly states the trades were effected pursuant to a Rule 10b5-1 trading plan adopted 02/20/2025 and is signed by an attorney-in-fact, which supports procedural compliance and reduces concerns about selective disclosure. Footnotes transparently report execution price ranges and an offer to provide full trade details on request, reinforcing disclosure quality. The document does not show any derivative activity or other unusual transactions.

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)
08/14/2025

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	08/14/2025		S(1)		300	D	$160.81(2)	252,645	I	See Footnote(3)
Class A Common Stock	08/14/2025		S(1)		3,608	D	$163.9039(4)	249,037	I	See Footnote(3)
Class A Common Stock	08/14/2025		S(1)		2,657	D	$163.0352(5)	246,380	I	See Footnote(3)
Class A Common Stock	08/14/2025		S(1)		1,000	D	$162.1631(6)	245,380	I	See Footnote(3)
Class A Common Stock	08/14/2025		S(1)		100	D	$164.6269(7)	245,280	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 $160.42 to $161.32. 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 $163.53 to $164.50. 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 $162.53 to $163.52. 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 $161.53 to $162.47. 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 $164.61 to $164.66. 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	08/15/2025
	** 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 sell according to the Form 4 for TEAM?

The filing reports sales of 7,665 Class A common shares on 08/14/2025 executed under a Rule 10b5-1 plan.

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

Yes. The Form 4 states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on 02/20/2025.

At what prices were the TEAM shares sold in the Form 4?

Weighted-average prices are reported between $160.81 and $164.6269, with footnotes listing intra-day price ranges for each trade.

How did these transactions change Cannon-Brookes' beneficial ownership in TEAM?

Beneficial ownership decreased from 252,645 shares to 245,280 shares across the reported transactions.

Who signed the Form 4 for Michael Cannon-Brookes?

The Form 4 was signed by Veena Bhatia, Attorney-in-Fact on 08/15/2025.