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  4. [Form 4] Atlassian Corp Insider Trading Activity

TEAM insider sales on 10/14/2025 under 10b5-1 plan disclosed

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

Rhea-AI Filing Summary

Atlassian (TEAM) CEO and Co‑Founder Michael Cannon‑Brookes reported open‑market sales of Class A common stock on 10/14/2025 under a Rule 10b5‑1 trading plan adopted on February 20, 2025. The filing lists multiple transactions, including sales executed at weighted‑average prices such as $156.0014, $152.1383, $157.39, $150.3275, $148.1956, $154.327, $156.7292, $153.4697, $151.1278, and $149.0967.

Following the reported trades, the filing shows 413,910 Class A shares beneficially owned indirectly, held by CBC Co Pty Limited as trustee for the Cannon‑Brookes Head Trust. The reporting person is identified as Director, 10% Owner, and Officer.

Positive

  • None.

Negative

  • None.

Insights

Routine 10b5-1 sales; ownership updated to 413,910 shares.

The reported transactions are open‑market sales executed on 10/14/2025 pursuant to a pre‑set Rule 10b5‑1 plan adopted on February 20, 2025. Such plans automate trades and can reduce discretion by the insider.

Prices span individual weighted‑average executions, including $156.0014, $152.1383, and a single trade at $157.39. After these trades, beneficial ownership stands at 413,910 Class A shares held indirectly via a trust. No company cash flows are involved; this records a personal share disposition.

Insider Cannon-Brookes Michael
Role CEO, Co-Founder
Sold 7,665 shs ($1.18M)
Type Security Shares Price Value
Sale Class A Common Stock 700 $156.0014 $109K
Sale Class A Common Stock 350 $152.1383 $53K
Sale Class A Common Stock 41 $157.39 $6K
Sale Class A Common Stock 676 $150.3275 $102K
Sale Class A Common Stock 450 $148.1956 $67K
Sale Class A Common Stock 1,650 $154.327 $255K
Sale Class A Common Stock 1,407 $156.7292 $221K
Sale Class A Common Stock 1,800 $153.4697 $276K
Sale Class A Common Stock 291 $151.1278 $44K
Sale Class A Common Stock 300 $149.0967 $45K
Holdings After Transaction: Class A Common Stock — 420,875 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 $150.90 to $151.74. 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 $148.71 to $149.44. 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. This transaction was executed in multiple trades during the day at prices ranging from $155.36 to $156.34. 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. 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 $151.95 to $152.47. 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. This transaction was executed in multiple trades during the day at prices ranging from $149.80 to $150.77. 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 $147.71 to $148.49. 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 $153.98 to $154.87. 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 $156.37 to $157.20. 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 $152.95 to $153.91. 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).
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)
10/14/2025
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 10/14/2025 S(1) 700 D $156.0014(2) 420,875 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 350 D $152.1383(4) 420,525 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 41 D $157.39 420,484 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 676 D $150.3275(5) 419,808 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 450 D $148.1956(6) 419,358 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 1,650 D $154.327(7) 417,708 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 1,407 D $156.7292(8) 416,301 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 1,800 D $153.4697(9) 414,501 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 291 D $151.1278(10) 414,210 I See Footnote(3)
Class A Common Stock 10/14/2025 S(1) 300 D $149.0967(11) 413,910 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 $155.36 to $156.34. 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.
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 $151.95 to $152.47. 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.
5. This transaction was executed in multiple trades during the day at prices ranging from $149.80 to $150.77. 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 $147.71 to $148.49. 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 $153.98 to $154.87. 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 $156.37 to $157.20. 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 $152.95 to $153.91. 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.
10. This transaction was executed in multiple trades during the day at prices ranging from $150.90 to $151.74. 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.
11. This transaction was executed in multiple trades during the day at prices ranging from $148.71 to $149.44. 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 /Drew Parkes, Attorney-in-Fact for Cannon-Brookes Michael 10/15/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did Atlassian (TEAM) disclose in this Form 4?

Open‑market sales of Class A shares by Michael Cannon‑Brookes on 10/14/2025 under a Rule 10b5‑1 trading plan.

How many Atlassian shares does the reporting person own after these trades?

The filing shows 413,910 Class A shares beneficially owned following the reported transactions.

Were the sales under a Rule 10b5-1 plan?

Yes. The transactions were effected pursuant to a Rule 10b5‑1 plan adopted on February 20, 2025.

What price levels are disclosed for the sales?

The filing lists weighted‑average prices including $156.0014, $152.1383, $150.3275, and a trade at $157.39.

Is the ownership direct or indirect?

Indirect. Shares are held by CBC Co Pty Limited as trustee for the Cannon‑Brookes Head Trust.

What roles does the reporting person hold at Atlassian?

He is identified as Director, 10% Owner, and Officer (CEO, Co‑Founder).