Panacea Innovation Ltd - 16 May 2025 SCHEDULE 13D Report for Atara Biotherapeutics, Inc. Common Stock (ATRA)

Filing Manager
Panacea Innovation Ltd
Reporting Manager
Panacea Innovation Limited
Security
Atara Biotherapeutics, Inc. Common Stock
Symbol
ATRA
Shares outstanding
8.2M shares
Disclosed Ownership
1.64M shares
Ownership
20%
Form type
SCHEDULE 13D
Filing time
21 May 2025, 18:00:03 UTC
Date of event
16 May 2025
Next filing
19 Aug 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Panacea Innovation Limited 19.99% 1.64M 0 1.64M /s/ James Huang James Huang, Founding Managing Partner 0002010692
Panacea Venture Healthcare Fund II, L.P. 19.58% 1.33M 0 1.33M By: Panacea Venture Healthcare Fund II GP Company, Ltd., its general partner By: Panacea Innovation Limited, its sole owner By: /s/ James Huang James Huang, Founding Managing Partner 0001869939
Panacea Venture Healthcare Fund II GP Company, Ltd. 19.58% 1.33M 0 1.33M By: Panacea Innovation Limited, its sole owner By: /s/ James Huang James Huang, Founding Managing Partner
Panacea Opportunity Fund I, L.P. 4.33% 308K 0 308K By: Panacea Opportunity Fund I GP Company, Ltd., its general partner By: Panacea Innovation Limited, its sole owner By: /s/ James Huang James Huang, Founding Managing Partner 0001869966
Panacea Opportunity Fund I GP Company, Ltd. 4.33% 308K 0 308K By: Panacea Innovation Limited, its sole owner By: /s/ James Huang James Huang, Founding Managing Partner
James Huang 19.99% 1.64M 0 1.64M /s/ James Huang James Huang 0001573160