Atlassian insider plans 1,851-share stock sale

Atlassian Corp (TEAM) insider Brian Duffy filed a notice to sell up to 1,851 shares of common stock under Rule 144, to be executed through Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

Atlassian Corp (TEAM) insider Brian Duffy filed a notice to sell up to 1,851 shares of common stock under Rule 144, to be executed through Morgan Stanley Smith Barney LLC. The shares relate to restricted stock acquired on 08/18/2026, and the filing lists additional common stock sales by Duffy over the prior three months.

Key Figures

Shares to be sold: 1,851 shares Planned sale aggregate market value: $319,206.80 Recent sale 08/14/2026: 7,617 shares for $1,241,555.00 +3 more

6 metrics

Shares to be sold 1,851 shares Common stock to be sold under Rule 144 through Morgan Stanley Smith Barney LLC

Planned sale aggregate market value $319,206.80 Aggregate market value associated with the 1,851 shares of common stock

Recent sale 08/14/2026 7,617 shares for $1,241,555.00 Common stock sold by Brian Duffy on 08/14/2026

Recent sale 06/12/2026 3,000 shares for $269,130.00 Common stock sold by Brian Duffy on 06/12/2026

Recent sale 06/10/2026 1,813 shares for $168,228.27 Common stock sold by Brian Duffy on 06/10/2026

Recent sale 06/08/2026 1,451 shares for $142,241.53 Common stock sold by Brian Duffy on 06/08/2026

Key Terms

Rule 144, Restricted Stock, Form 144, Executive Financial Services

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock financial

"Common | 08/18/2026 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Brian Duffy’s Form 144 filing mean for Atlassian (TEAM)?

Brian Duffy filed to sell 1,851 shares of Atlassian common stock under Rule 144. This is an advance notice of a potential insider sale and does not itself change Atlassian’s operations or financial condition.

How many Atlassian (TEAM) shares is Brian Duffy currently planning to sell?

The filing states that up to 1,851 shares of Atlassian common stock may be sold. These shares are to be sold through Morgan Stanley Smith Barney LLC and are associated with restricted stock acquired on 08/18/2026.

What recent Atlassian (TEAM) stock sales by Brian Duffy are disclosed?

The notice lists several prior sales, including 7,617 shares of common stock sold on 08/14/2026 for an aggregate price of $1,241,555.00, along with multiple smaller sales in June 2026.

Through which broker will the planned Atlassian (TEAM) share sale occur?

The planned sale of 1,851 shares is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services at 1 New York Plaza, New York. The filing identifies this broker as handling the transaction.

What type of Atlassian (TEAM) securities is Brian Duffy planning to sell?

The filing identifies the securities as common stock of Atlassian Corp. These shares stem from restricted stock acquired from the issuer on 08/18/2026 and are being sold in reliance on Rule 144.

What other Atlassian (TEAM) insider sales by Brian Duffy occurred in June 2026?

Disclosed June transactions include, for example, 3,000 shares sold on 06/12/2026 for $269,130.00 and 1,813 shares sold on 06/10/2026 for $168,228.27, among several smaller trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/19/2026 - 05:11 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002051813
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ATLASSIAN CORPORATION
SEC File Number	001-37651
Address of Issuer	350 Bush Street, Floor 13 San Francisco CALIFORNIA 94104
Phone	(415) 701-1110
Name of Person for Whose Account the Securities are To Be Sold	BRIAN DUFFY
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1851	319206.80	159005198	08/19/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/18/2026	Restricted Stock	Issuer			1851	08/18/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	08/14/2026	7617	1241555.00
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	06/12/2026	3000	269130.00
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	06/11/2026	1432	127147.28
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	06/10/2026	1813	168228.27
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	06/09/2026	1454	138638.90
BRIAN DUFFY 350 Bush Street, Floor 13 San Francisco CA 94104	Common	06/08/2026	1451	142241.53

144: Remarks and Signature

Remarks
Date of Notice	08/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Brian Duffy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)