UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

October 19, 2017

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)

Exchange House

Primrose Street

London EC2A 2EG

c/o Herbert Smith Freehills LLP

415.701.1110

(Address, Including Zip Code, and Telephone Number, Including

Area Code, of Registrant’s Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F:

Form 20-F x Form 40-F ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Results of Operations and Financial Condition.

On October 19, 2017, Atlassian Corporation Plc (the “Company”) issued a press release announcing its results for the fiscal quarter ended September 30, 2017. A copy of the press release is attached as Exhibit 99.1 to this report on Form 6-K and is incorporated by reference herein. The Company also issued a letter to its shareholders announcing its financial results for the quarter ended September 30, 2017 (the “Shareholder Letter”). The full text of the Shareholder Letter is attached as Exhibit 99.2 to this report on Form 6-K and is incorporated by reference herein.

The information in this report on Form 6-K and the exhibits attached hereto shall not be deemed “filed” for 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 in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Signature

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

Date:	October 19, 2017	Atlassian Corporation Plc
		(Registrant)
		/S/    MURRAY J. DEMO
		Murray J. Demo Chief Financial Officer (Principal Financial and Accounting Officer)

Exhibit Index

Exhibit Number	Exhibit Title
99.1	Press Release dated October 19, 2017.
99.2	Shareholder Letter dated October 19, 2017.