Company: TEAM
Filing Date: 2025-10-15
Form Type: DEF 14A
Source: 0001650372-25-000058
Chunk: 0

Company: Atlassian Corp
Filing Date: 2025-10-15
Form: DEF 14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
#### ____________________

#### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934
<div align='center'>(Amendment No. )</div>

#### ____________________

Filed by the Registrant x Filed by a party other than the Registrant o

CHECK THE APPROPRIATE BOX:

| ¨ |     | Preliminary Proxy Statement                                                     |
| ¨ |     | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| x |     | Definitive Proxy Statement                                                      |
| ¨ |     | Definitive Additional Materials                                                 |
| ¨ |     | Soliciting Material under §240.14a-12                                           |

#### Atlassian Corporation
<div align='center'>(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

PAYMENT OF FILING FEE ( CHECK ALL BOXES THAT APPLY ):

| x |     | No fee required                                                                                     |
| ¨ |     | Fee paid previously with preliminary materials                                                      |
| ¨ |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

#### Our Values
They guide what we do, why we create, and who we hire.

| Open company, no bullshit    |     | Openness is root level for us. Information is open internally by default and sharing is a first principle. And we understand that speaking your mind requires equal parts brains (what to say), thoughtfulness (when to say it), and caring (how it’s said).            |
| Play, as a team              |     | We spend a huge amount of our time at work. So the more that time doesn’t feel like “work,” the better. We can be serious, without taking ourselves too seriously. We strive to put what’s right for the team first – whether in a meeting room or on a football pitch. |
| Build with heart and balance |     | “Measure twice, cut once.” Whether you're building a birdhouse or a business, this is good advice. Passion and urgency infuse everything we do, alongside the wisdom to consider options fully and with care. Then we