Redmile Group, LLC - 31 Mar 2025 SCHEDULE 13G/A Report for Atara Biotherapeutics, Inc. Common Stock, par value $0.0001 per share (ATRA)

Filing Manager
Redmile Group, LLC
Reporting Manager
Redmile Group, LLC
Security
Atara Biotherapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol
ATRA
Shares outstanding
6.07M shares
Disclosed Ownership
601K shares
Ownership
9.9%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 21:00:22 UTC
Date of event
31 Mar 2025
Next filing
23 May 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Redmile Group, LLC 9.9% 601K 0 601K /s/ Jeremy C. Green Managing Member
Jeremy C. Green 9.9% 601K 0 601K /s/ Jeremy C. Green Jeremy C. Green
RedCo I, L.P. 5.8% 347K 0 347K /s/ Jeremy C. Green Managing Member of RedCo I (GP), LLC, general partner of RedCo I, L.P.
Redmile Biopharma Investments II, L.P. 5% 302K 0 302K /s/ Jeremy C. Green Managing Member of Redmile Biopharma Investments II (GP), LLC, general partner of Redmile Biopharma Investments II, L.P.