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Home > Insider Trading > Atara Biotherapeutics Inc.

Atara Biotherapeutics Inc. (ATRA)

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Latest 13D & 13G Filings
Company Symbol Filed By Filing Date Filing
Atara Biotherapeutics Inc.
ATRA
 Adage Capital Management, L.P. 2026-05-13
13G Filing
Atara Biotherapeutics Inc.
ATRA
 Panacea Innovation Limited 2026-01-14
13D Filing
Atara Biotherapeutics Inc.
ATRA
Redmile Group
 2025-11-14
13D Filing
Atara Biotherapeutics Inc.
ATRA
EcoR1 Capital
 2025-11-14
13G Filing
Atara Biotherapeutics Inc.
ATRA
 Panacea Innovation Limited 2025-08-19
13D Filing
Insider Monkey Quarterly Strategy
+599.2% Insider Monkey Quarterly Strategy
+227% Benchmark50% S&P 500 ETF and 50% Russell 2000 ETF
500%
250%
0%

Returns since its inception in May 2014 (through June 2, 2026)

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