TEAM

team-202602050001650372FALSE00016503722026-02-052026-02-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 5, 2026

ATLASSIAN CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware 001-3765188-3940934

(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)

350 Bush Street, Floor 13 San Francisco, California 94104 (Address of principal executive offices and Zip Code)

(415) 701-1110 (Registrant’s telephone number, including area code)

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of each exchange on which registered

Class A Common Stock, par value $0.00001 per share

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Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition.

On February 5, 2026, Atlassian Corporation (the “Company”) issued a press release announcing its results for the quarter ended December 31, 2025 (the “Press Release”). A copy of the Press Release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The Company also published a letter to its shareholders announcing its financial results for the quarter ended December 31, 2025 (the “Shareholder Letter”). The full text of the Shareholder Letter is attached as Exhibit 99.2 to this current report on Form 8-K and is incorporated by reference herein.

The information in this Item 2.02, including Exhibit 99.1 and Exhibit 99.2, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01.    Financial Statements and Exhibits. (d) Exhibits.

Exhibit No. Description

99.1Press Release dated February 5, 2026.

99.2Shareholder Letter dated February 5, 2026.

104Cover Page Interactive Data File (formatted as Inline XBRL).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ATLASSIAN CORPORATION

Date: February 5, 2026By: /s/ Joseph Binz Joseph Binz Chief Financial Officer

team-202510300001650372FALSE00016503722025-10-302025-10-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 30, 2025

ATLASSIAN CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware 001-3765188-3940934

(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)

350 Bush Street, Floor 13 San Francisco, California 94104 (Address of principal executive offices and Zip Code)

(415) 701-1110 (Registrant’s telephone number, including area code)

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of each exchange on which registered

Class A Common Stock, par value $0.00001 per share

TEAM

Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition.

On October 30, 2025, Atlassian Corporation (the “Company”) issued a press release announcing its results for the quarter ended September 30, 2025 (the “Press Release”). A copy of the Press Release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The Company also published a letter to its shareholders announcing its financial results for the quarter ended September 30, 2025 (the “Shareholder Letter”). The full text of the Shareholder Letter is attached as Exhibit 99.2 to this current report on Form 8-K and is incorporated by reference herein.

The information in this Item 2.02, including Exhibit 99.1 and Exhibit 99.2, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 5.02.    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On October 30, 2025, the Company announced that Joe Binz will retire from his role as Chief Financial Officer of the Company, effective June 30, 2026 (the “Transition Date”) pursuant to mutual agreement. The Company thanks Mr. Binz for his many contributions to the Company over the past nearly four years, including building a world class finance team and scaling the Company’s enterprise business. This transition was not the result of any disagreement or dispute on matters relating to the Company’s strategy, operations, financial reporting, or other policies or practices.

Item 8.01.    Other Events. On October 30, 2025, the Company announced, as part of the Press Release, that its Board of Directors authorized a program to repurchase up to $2.5 billion of the Company’s Class A Common Stock, to commence upon the completion of its current $1.5 billion program (the “2025 Share Repurchase Program”). The Company may repurchase shares of Class A Common Stock from time to time through open market purchases, in privately negotiated transactions, or by other means, including through the use of trading plans intended to qualify under Rule 10b5-1 under the Exchange Act, in accordance with applicable securities laws and other restrictions. The 2025 Share Repurchase Program does not have a fixed expiration date, may be suspended or discontinued at any time, and does not obligate the Company to acquire any amount of Class A Common Stock. The timing, manner,

team-202508070001650372FALSE00016503722025-08-072025-08-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 7, 2025

ATLASSIAN CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware 001-3765188-3940934

(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)

350 Bush Street, Floor 13 San Francisco, California 94104 (Address of principal executive offices and Zip Code)

(415) 701-1110 (Registrant’s telephone number, including area code)

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of each exchange on which registered

Class A Common Stock, par value $0.00001 per share

TEAM

Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02.    Results of Operations and Financial Condition.

On August 7, 2025, Atlassian Corporation (the “Company”) issued a press release announcing its results for the quarter and fiscal year ended June 30, 2025 (the “Press Release”). A copy of the Press Release is attached as Exhibit 99.1 to this current report on Form 8-K and is incorporated by reference herein. The Company also published a letter to its shareholders announcing its financial results for the quarter and fiscal year ended June 30, 2025 (the “Shareholder Letter”). The full text of the Shareholder Letter is attached as Exhibit 99.2 to this current report on Form 8-K and is incorporated by reference herein.

The information in this Item 2.02, including Exhibit 99.1 and Exhibit 99.2, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Item 5.02.    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On August 7, 2025, the Company announced that Anu Bharadwaj will be stepping down from the role of President, effective as of December 31, 2025, following almost twelve years with the Company. Item 9.01.    Financial Statements and Exhibits. (d) Exhibits.

Exhibit No. Description

99.1Press Release dated August 7, 2025.

99.2Shareholder Letter dated August 7, 2025.

104Cover Page Interactive Data File (formatted as Inline XBRL).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ATLASSIAN CORPORATION

Date: August 7, 2025By: /s/ Joseph Binz

Joseph Binz

Chief Financial Officer