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  4. [Form 4] Atlassian Corporation Insider Trading Activity

Michael Cannon-Brookes disposes 7,665 TEAM shares via 10b5-1

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Atlassian insider sales under a pre-established plan. On 09/05/2025 Michael Cannon-Brookes reported multiple disposals of Atlassian Class A common stock under a Rule 10b5-1 trading plan adopted February 20, 2025. The reported trades on September 5 total 7,665 shares sold in several executions at weighted-average prices ranging roughly from $170.71 to $174.26 per share. Following these transactions the reporting person beneficially owned 130,305 Class A shares, held indirectly through CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. The Form 4 was signed by an attorney-in-fact on September 8, 2025.

Positive

  • Trades were executed pursuant to a Rule 10b5-1 trading plan, indicating pre-planned transactions rather than opportunistic insider selling

Negative

  • Reported disposals totaled 7,665 Class A shares on 09/05/2025, reducing beneficial ownership to 130,305 shares held indirectly

Insights

TL;DR: Insider executed planned disposals of 7,665 TEAM shares under a 10b5-1 plan; remaining beneficial holding: 130,305 shares.

The filings show routine sales rather than ad-hoc dispositions, because they were effected pursuant to a Rule 10b5-1 plan adopted February 20, 2025. The transactions were executed in multiple trades on 09/05/2025 at weighted-average prices reported per lot. Total shares sold equal 7,665 and the post-transaction beneficial ownership is 130,305 Class A shares held indirectly. From a financial-analysis perspective, these entries document insider liquidity activity but do not, by themselves, provide information about timing rationale, total economic exposure across other security classes, or material impact on company fundamentals.

TL;DR: Disclosures adhere to Section 16 reporting and cite a 10b5-1 plan; filings are complete with execution-price ranges noted.

The Form 4 clearly indicates the trades were conducted under an affirmative-defense 10b5-1 plan, with the filer identified as a director, officer (CEO), and 10% owner. The statement includes weighted-average prices and an undertaking to provide detailed trade-by-trade information upon request, which aligns with transparent reporting practices. The ownership remains indirect through a trustee entity, as disclosed. No amendments or additional derivative positions are reported on this form.

Insider Cannon-Brookes Michael
Role CEO, Co-Founder
Sold 7,665 shs ($1.32M)
Type Security Shares Price Value
Sale Class A Common Stock 100 $174.255 $17K
Sale Class A Common Stock 350 $173.3557 $61K
Sale Class A Common Stock 3,628 $171.4877 $622K
Sale Class A Common Stock 3,137 $172.3208 $541K
Sale Class A Common Stock 450 $170.7112 $77K
Holdings After Transaction: Class A Common Stock — 137,870 shares (Indirect, See Footnote)
Footnotes (1)
  1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025. This transaction was executed in multiple trades during the day at prices ranging from $174.19 to $174.32. 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. Shares are held by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust. This transaction was executed in multiple trades during the day at prices ranging from $173.13 to $174.10. 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. This transaction was executed in multiple trades during the day at prices ranging from $171.05 to $172.01. 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. This transaction was executed in multiple trades during the day at prices ranging from $172.06 to $173.05. 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. This transaction was executed in multiple trades during the day at prices ranging from $170.05 to $170.97. 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.
Form 4 Insider Transactions: What Each Field Means →
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)
09/05/2025
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 09/05/2025 S(1) 100 D $174.255(2) 137,870 I See Footnote(3)
Class A Common Stock 09/05/2025 S(1) 350 D $173.3557(4) 137,520 I See Footnote(3)
Class A Common Stock 09/05/2025 S(1) 3,628 D $171.4877(5) 133,892 I See Footnote(3)
Class A Common Stock 09/05/2025 S(1) 3,137 D $172.3208(6) 130,755 I See Footnote(3)
Class A Common Stock 09/05/2025 S(1) 450 D $170.7112(7) 130,305 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 $174.19 to $174.32. 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 $173.13 to $174.10. 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 $171.05 to $172.01. 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 $172.06 to $173.05. 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 $170.05 to $170.97. 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.
Remarks:
/s /Drew Parkes, Attorney-in-Fact for Cannon-Brookes Michael 09/08/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions were reported for Atlassian (TEAM)?

Multiple disposals totaling 7,665 Class A shares were reported on 09/05/2025 by Michael Cannon-Brookes.

Were the TEAM sales part of a 10b5-1 plan?

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

What was the remaining beneficial ownership after the trades?

130,305 Class A shares beneficially owned following the reported transactions, held indirectly by CBC Co Pty Limited as trustee for the Cannon-Brookes Head Trust.

What price ranges were the shares sold at?

Execution prices ranged roughly from $170.05 to $174.32 per share, with weighted-average prices reported for each lot.

Who filed and signed the Form 4 for TEAM?

The Form 4 was signed by Drew Parkes, Attorney-in-Fact for Michael Cannon-Brookes on 09/08/2025.