Redmile Group LLC 13D/13G Filings for Atara Biotherapeutics, Inc. (ATRA)

Redmile Group LLC 13D and 13G filings for Atara Biotherapeutics, Inc.:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-05-23
4:05 pm
Purchase
2025-05-16 13D Atara Biotherapeutics, Inc.
ATRA
Redmile Group LLC 705,207
9.900%
103,964increase
(+17.29%)
Filing
2025-05-15
9:00 pm
Purchase
2025-03-31 13G Atara Biotherapeutics, Inc.
ATRA
Redmile Group LLC 601,243
9.900%
601,243increase
(New Position)
Filing