X0306 4 2023-03-10 false 0001650372 Atlassian Corp TEAM 0001666120 Cannon-Brookes Michael C/O ATLASSIAN CORPORATION 350 BUSH STREET, FLOOR 13 SAN FRANCISCO CA 94104 true true true false Co-CEO, Co-Founder Class A Common Stock 2023-03-10 4 S false 2081.00 155.8304 D 135743.00 I By Trust Class A Common Stock 2023-03-10 4 S false 650.00 161.3415 D 135093.00 I By Trust Class A Common Stock 2023-03-10 4 S false 350.00 160.121 D 134743.00 I By Trust Class A Common Stock 2023-03-10 4 S false 352.00 158.9872 D 134391.00 I By Trust Class A Common Stock 2023-03-10 4 S false 50.00 168.23 D 134341.00 I By Trust Class A Common Stock 2023-03-10 4 S false 676.00 157.831 D 133665.00 I By Trust Class A Common Stock 2023-03-10 4 S false 462.00 166.4953 D 133203.00 I By Trust Class A Common Stock 2023-03-10 4 S false 1114.00 156.8308 D 132089.00 I By Trust Class A Common Stock 2023-03-10 4 S false 183.00 165.3344 D 131906.00 I By Trust Class A Common Stock 2023-03-10 4 S false 796.00 164.4998 D 131110.00 I By Trust Class A Common Stock 2023-03-10 4 S false 800.00 163.3881 D 130310.00 I By Trust Class A Common Stock 2023-03-10 4 S false 1100.00 162.3032 D 129210.00 I By Trust This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 14, 2022. This transaction was executed in multiple trades during the day at prices ranging from $165.03 to $165.94. 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 $164.01 to $165.00. 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 $162.98 to $163.95. 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 $161.92 to $162.81. 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 $155.44 to $156.26. 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 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 $160.80 to $161.75. 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 $159.69 to $160.60. 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 $158.52 to $159.31. 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 $157.49 to $158.40. 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 $166.13 to $167.10. 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 $156.45 to $157.35. 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. /s/ Grant Reid, Attorney-in-Fact for Cannon-Brookes Michael 2023-03-13