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[SCHEDULE 13G/A] Atlassian Corporation SEC Filing

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Form Type
SCHEDULE 13G/A
Rhea-AI Filing Summary

Michael Cannon-Brookes reports substantial beneficial ownership of Atlassian stock held through CBC Co Pty Ltd as trustee of the Cannon-Brookes Head Trust. The filing shows he beneficially owns 48,515,493 shares of Class B common stock and has sole voting and sole dispositive power over those shares.

The filing treats those Class B shares as convertible into Class A shares for percentage purposes, reporting the holding as 22.6% of the Class A equivalent based on 165,949,196 Class A and 97,030,987 Class B shares outstanding as of June 30, 2025. Each Class B share carries ten votes, and the reported position represents approximately 42.7% of the combined aggregate voting power. The filing states no shared voting or dispositive power and discloses conversion and automatic-conversion-on-transfer features of Class B shares.

Michael Cannon-Brookes dichiara una consistente titolarità beneficiaria di azioni Atlassian detenute tramite CBC Co Pty Ltd in qualità di trustee del Cannon-Brookes Head Trust. La comunicazione riporta che è beneficiario di 48.515.493 azioni di classe B e che detiene il potere esclusivo di voto e di disposizione su tali azioni.

La segnalazione considera queste azioni di classe B convertibili in azioni di classe A ai fini percentuali, indicando la partecipazione come il 22,6% dell'equivalente in classe A, basandosi su 165.949.196 azioni di classe A e 97.030.987 azioni di classe B in circolazione al 30 giugno 2025. Ogni azione di classe B attribuisce dieci voti e la posizione dichiarata rappresenta circa il 42,7% del potere di voto aggregato. Il documento precisa l'assenza di poteri di voto o di disposizione condivisi e descrive le caratteristiche di conversione e di conversione automatica al trasferimento delle azioni di classe B.

Michael Cannon-Brookes informa de una participación beneficiaria sustancial en acciones de Atlassian mantenidas a través de CBC Co Pty Ltd como fiduciario del Cannon-Brookes Head Trust. El documento indica que posee beneficiariamente 48.515.493 acciones de clase B y que tiene el poder exclusivo de voto y de disposición sobre esas acciones.

La presentación considera que esas acciones de clase B son convertibles en acciones de clase A a efectos porcentuales, reportando la participación como el 22,6% del equivalente en clase A, con base en 165.949.196 acciones de clase A y 97.030.987 acciones de clase B en circulación a fecha del 30 de junio de 2025. Cada acción de clase B tiene diez votos, y la posición declarada supone aproximadamente el 42,7% del poder de voto agregado. El informe declara que no existen poderes de voto o disposición compartidos y explica las características de conversión y la conversión automática en caso de transferencia de las acciones de clase B.

마이클 캐넌-브룩스는 Cannon-Brookes Head Trust의 수탁자인 CBC Co Pty Ltd를 통해 보유한 Atlassian 주식에 대해 상당한 실소유 지분을 보고했습니다. 제출서류에는 그가 클래스 B 보통주 48,515,493주를 실소유하고 있으며 해당 주식에 대한 단독 의결권 및 처분권을 보유하고 있다고 기재되어 있습니다.

서류는 이 클래스 B 주식을 비율 산정상 클래스 A 주식으로 전환 가능하다고 보고하며, 2025년 6월 30일 기준 유통 중인 클래스 A 165,949,196주와 클래스 B 97,030,987주를 근거로 클래스 A 환산 기준으로 보유 비중을 22.6%로 신고했습니다. 각 클래스 B 주식은 10표의 의결권을 가지며, 보고된 지분은 전체 집계 의결권의 약 42.7%에 해당합니다. 또한 제출서류는 공동 의결권 또는 처분권이 없음을 명시하고 클래스 B 주식의 전환 및 양도 시 자동 전환 특성을 공개하고 있습니다.

Michael Cannon-Brookes déclare une participation bénéficiaire importante dans des actions Atlassian détenues par l'intermédiaire de CBC Co Pty Ltd en qualité de fiduciaire du Cannon-Brookes Head Trust. Le dépôt indique qu'il détient à titre bénéficiaire 48 515 493 actions de classe B et qu'il dispose du pouvoir exclusif de vote et du pouvoir exclusif de disposition sur ces actions.

Le dépôt considère ces actions de classe B comme convertibles en actions de classe A aux fins de calcul des pourcentages, reportant la participation à 22,6 % de l'équivalent en classe A, sur la base de 165 949 196 actions de classe A et de 97 030 987 actions de classe B en circulation au 30 juin 2025. Chaque action de classe B porte dix voix, et la position déclarée représente environ 42,7 % du pouvoir de vote global agrégé. Le document précise qu'aucun pouvoir de vote ou de disposition n'est partagé et divulgue les modalités de conversion et la conversion automatique en cas de transfert des actions de classe B.

Michael Cannon-Brookes meldet erhebliches wirtschaftliches Eigentum an Atlassian-Aktien, die über CBC Co Pty Ltd als Treuhänder des Cannon-Brookes Head Trust gehalten werden. Die Einreichung gibt an, dass er wirtschaftlicher Eigentümer von 48.515.493 Class‑B‑Stammaktien ist und über diese Aktien alleinige Stimm‑ und Verfügungsbefugnis besitzt.

Die Meldung behandelt diese Class‑B‑Aktien für Prozentzwecke als in Class‑A‑Aktien umwandelbar und weist die Beteiligung als 22,6% des Class‑A‑Äquivalents aus, basierend auf 165.949.196 Class‑A‑ und 97.030.987 Class‑B‑Aktien im Umlauf zum 30. Juni 2025. Jede Class‑B‑Aktie hat zehn Stimmen, und die gemeldete Position entspricht etwa 42,7% der kombinierten Stimmrechte. Die Einreichung stellt fest, dass keine gemeinsamen Stimm‑ oder Verfügungsrechte bestehen, und legt die Umwandlungs- sowie die automatische Umwandlungsregelung bei Übertragung der Class‑B‑Aktien offen.

Positive
  • Substantial disclosed ownership: 48,515,493 Class B shares beneficially owned, providing transparency to investors
  • Sole control: Reporting person has sole voting and sole dispositive power over the disclosed shares
Negative
  • Concentrated voting power: The Class B shares represent approximately 42.7% of aggregate combined voting power, concentrating control in one holder
  • Dual-class voting disparity: The reported 22.6% ownership percentage does not reflect the 10-for-1 voting power of Class B shares, which may understate governance influence when viewed only by percent of class

Insights

TL;DR: Large insider stake gives meaningful control but the filing is a disclosure, not a corporate-action.

The Schedule 13G/A confirms Michael Cannon-Brookes beneficially owns 48,515,493 Class B shares with sole voting and dispositive power. For ownership metrics the report treats those Class B shares as Class A equivalents, yielding 22.6% of Class A-equivalent shares, while the 10-for-1 voting structure means these shares represent ~42.7% of combined voting power. This is material for governance and control analysis because a single holder retains concentrated influence over board-level decisions. The filing itself does not disclose transactions, changes in strategy, or debt/equity moves; it is a positional disclosure relevant to shareholder voting dynamics.

TL;DR: The disclosed stake and 10x voting Class B structure create concentrated voting power with clear governance implications.

The report documents sole control over 48,515,493 Class B shares held via a trustee, and notes conversion mechanics and automatic conversion on transfers. That concentration—about 42.7% of combined voting power—affects minority shareholder influence and board control. From a governance perspective, this is impactful because it signals sustained insider control under the dual-class structure. The filing is informational and does not indicate any change to governance arrangements, but it reconfirms the degree of insider voting influence.

Michael Cannon-Brookes dichiara una consistente titolarità beneficiaria di azioni Atlassian detenute tramite CBC Co Pty Ltd in qualità di trustee del Cannon-Brookes Head Trust. La comunicazione riporta che è beneficiario di 48.515.493 azioni di classe B e che detiene il potere esclusivo di voto e di disposizione su tali azioni.

La segnalazione considera queste azioni di classe B convertibili in azioni di classe A ai fini percentuali, indicando la partecipazione come il 22,6% dell'equivalente in classe A, basandosi su 165.949.196 azioni di classe A e 97.030.987 azioni di classe B in circolazione al 30 giugno 2025. Ogni azione di classe B attribuisce dieci voti e la posizione dichiarata rappresenta circa il 42,7% del potere di voto aggregato. Il documento precisa l'assenza di poteri di voto o di disposizione condivisi e descrive le caratteristiche di conversione e di conversione automatica al trasferimento delle azioni di classe B.

Michael Cannon-Brookes informa de una participación beneficiaria sustancial en acciones de Atlassian mantenidas a través de CBC Co Pty Ltd como fiduciario del Cannon-Brookes Head Trust. El documento indica que posee beneficiariamente 48.515.493 acciones de clase B y que tiene el poder exclusivo de voto y de disposición sobre esas acciones.

La presentación considera que esas acciones de clase B son convertibles en acciones de clase A a efectos porcentuales, reportando la participación como el 22,6% del equivalente en clase A, con base en 165.949.196 acciones de clase A y 97.030.987 acciones de clase B en circulación a fecha del 30 de junio de 2025. Cada acción de clase B tiene diez votos, y la posición declarada supone aproximadamente el 42,7% del poder de voto agregado. El informe declara que no existen poderes de voto o disposición compartidos y explica las características de conversión y la conversión automática en caso de transferencia de las acciones de clase B.

마이클 캐넌-브룩스는 Cannon-Brookes Head Trust의 수탁자인 CBC Co Pty Ltd를 통해 보유한 Atlassian 주식에 대해 상당한 실소유 지분을 보고했습니다. 제출서류에는 그가 클래스 B 보통주 48,515,493주를 실소유하고 있으며 해당 주식에 대한 단독 의결권 및 처분권을 보유하고 있다고 기재되어 있습니다.

서류는 이 클래스 B 주식을 비율 산정상 클래스 A 주식으로 전환 가능하다고 보고하며, 2025년 6월 30일 기준 유통 중인 클래스 A 165,949,196주와 클래스 B 97,030,987주를 근거로 클래스 A 환산 기준으로 보유 비중을 22.6%로 신고했습니다. 각 클래스 B 주식은 10표의 의결권을 가지며, 보고된 지분은 전체 집계 의결권의 약 42.7%에 해당합니다. 또한 제출서류는 공동 의결권 또는 처분권이 없음을 명시하고 클래스 B 주식의 전환 및 양도 시 자동 전환 특성을 공개하고 있습니다.

Michael Cannon-Brookes déclare une participation bénéficiaire importante dans des actions Atlassian détenues par l'intermédiaire de CBC Co Pty Ltd en qualité de fiduciaire du Cannon-Brookes Head Trust. Le dépôt indique qu'il détient à titre bénéficiaire 48 515 493 actions de classe B et qu'il dispose du pouvoir exclusif de vote et du pouvoir exclusif de disposition sur ces actions.

Le dépôt considère ces actions de classe B comme convertibles en actions de classe A aux fins de calcul des pourcentages, reportant la participation à 22,6 % de l'équivalent en classe A, sur la base de 165 949 196 actions de classe A et de 97 030 987 actions de classe B en circulation au 30 juin 2025. Chaque action de classe B porte dix voix, et la position déclarée représente environ 42,7 % du pouvoir de vote global agrégé. Le document précise qu'aucun pouvoir de vote ou de disposition n'est partagé et divulgue les modalités de conversion et la conversion automatique en cas de transfert des actions de classe B.

Michael Cannon-Brookes meldet erhebliches wirtschaftliches Eigentum an Atlassian-Aktien, die über CBC Co Pty Ltd als Treuhänder des Cannon-Brookes Head Trust gehalten werden. Die Einreichung gibt an, dass er wirtschaftlicher Eigentümer von 48.515.493 Class‑B‑Stammaktien ist und über diese Aktien alleinige Stimm‑ und Verfügungsbefugnis besitzt.

Die Meldung behandelt diese Class‑B‑Aktien für Prozentzwecke als in Class‑A‑Aktien umwandelbar und weist die Beteiligung als 22,6% des Class‑A‑Äquivalents aus, basierend auf 165.949.196 Class‑A‑ und 97.030.987 Class‑B‑Aktien im Umlauf zum 30. Juni 2025. Jede Class‑B‑Aktie hat zehn Stimmen, und die gemeldete Position entspricht etwa 42,7% der kombinierten Stimmrechte. Die Einreichung stellt fest, dass keine gemeinsamen Stimm‑ oder Verfügungsrechte bestehen, und legt die Umwandlungs- sowie die automatische Umwandlungsregelung bei Übertragung der Class‑B‑Aktien offen.






Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person: The shares reflected in Row 9 represent 48,515,493 shares of Class B Common Stock held of record by CBC Co Pty Ltd as trustee of the Cannon-Brookes Head Trust. The reporting person has sole voting power and sole dispositive power with respect to these shares. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder and upon the occurrence of certain other events as described in the Certificate of Incorporation of Atlassian Corporation (the "Issuer"). In addition, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, except for certain permitted transfers described in the Issuer's Certificate of Incorporation. The percent of class reflected in Row 11 was calculated based on 165,949,196 shares of Class A Common Stock and 97,030,987 shares of Class B Common Stock outstanding as of June 30, 2025, as reported by the Issuer to the reporting person, including the 48,515,493 shares of Class B Common Stock beneficially owned by the reporting person. The shares of Class B Common Stock held by the reporting person are treated as converted into shares of Class A Common Stock only for purposes of computing the percentage ownership of the reporting person pursuant to Rule 13d-3 of the Act. Each share of Class A Common Stock is entitled to one vote and each share of Class B Common Stock is entitled to ten votes. The percentage reported does not reflect the ten for one voting power of the Class B Common Stock. The shares of Class B Common Stock held by the reporting person represent approximately 42.7% of the aggregate combined voting power of the outstanding shares of Class A Common Stock and Class B Common Stock.


SCHEDULE 13G



Michael Cannon-Brookes
Signature:/s/ Grant Reid
Name/Title:Grant Reid, Attorney in Fact for Michael Cannon-Brookes
Date:08/08/2025

FAQ

How many Atlassian (TEAM) shares does Michael Cannon-Brookes beneficially own?

He beneficially owns 48,515,493 shares of Class B common stock held of record by CBC Co Pty Ltd as trustee of the Cannon-Brookes Head Trust.

What percentage of Atlassian does that holding represent?

The filing reports the holding as 22.6% of the Class A-equivalent shares for percentage calculations and approximately 42.7% of combined voting power due to Class B voting rights.

Does Michael Cannon-Brookes have voting and dispositive power over these shares?

Yes. The filing reports sole voting power and sole dispositive power with respect to the 48,515,493 Class B shares.

How do Class B shares convert to Class A shares?

Each Class B share is convertible into one Class A share at the holder's option and will automatically convert upon transfer except for certain permitted transfers, as disclosed in the filing.

Were any shared voting rights reported?

No. The filing reports 0 shared voting power and 0 shared dispositive power for the reporting person.
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