Exhibit 21.1

LIST OF SUBSIDIARIES

The following is a list of subsidiaries of the Company as of December 31, 2022:

 

Subsidiary Legal Name

 

State or other Jurisdiction of Incorporation or Organization

Atara Biotherapeutics Australia Pty. Ltd.

 

Australia

Atara Biotherapeutics Ireland Limited

 

Ireland

Atara Biotherapeutics Switzerland GmbH

 

Switzerland