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Title of each class UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 20 - F ( Mark One ) REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ✓ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-37651 Atlassian Corporation Plc ( Exact name of Registrant as specified in its charter ) Not Applicable ( Translation of Registrant's name into English ) England and Wales ( Jurisdiction of incorporation or organization ) Exchange House Primrose Street London EC2A 2EG c / o Herbert Smith Freehills LLP ( Address of principal executive offices ) Stuart Fagin Deputy General Counsel Atlassian Corporation Plc Exchange House Primrose Street London EC2A 2EG c / o Herbert Smith Freehills LLP 415.701.1110 IR@atlassian.com ( Name , Telephone , E - mail and / or Facsimile number and Address of Company Contact Person ) Class A Ordinary Shares Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Trading Symbol TEAM Name of each exchange on which registered Nasdaq Global Select Market Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : Class B Ordinary Shares Indicate the number of outstanding shares of each of the issuer's classes of capital or common stock as of the close of the period covered by the annual report : As of June 30 , 2021 , 137,307,769 Class A Ordinary Shares and 114,609,645 Class B Ordinary Shares . Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes ✓ No ☐ If this report is an annual or transition report , indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934. Yes ☐ No ☑ Note - Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 from their obligations under those Sections . Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes ☑No ☐ that the Indicate by by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( $ 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files . Yes ✓ No ☐ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , or a non - accelerated filer , or an emerging growth company . See definitions of " large accelerated filer , " " accelerated filer , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act : Large accelerated filer ✓ Accelerated filer ☐ Non - accelerated filer Emerging growth company ☐ If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP , 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 . ☐