Atara Biotherapeutics, Inc. (ATRA)
25 filings available.
2
Insider buys, 12 months
$5.7M by 2 insiders
18
Insider sales, 12 months
$3.9M by 3 insiders
Most active ATRA insiders: EcoR1 Capital, LLC and Panacea Innovation Ltd.
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Full Timeline
Every tracked SEC filing, congressional trade, 13F/N-PORT holding change, lobbying disclosure, government contract award, SEC enforcement action, and pay-vs-performance filing for 0001604464, merged into one feed.
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- 4 Filing: Atara Biotherapeutics, Inc.4Sep 4, 2026Filed by Cherry Brian N
- 4 Filing: Nguyen AnhCo4Aug 26, 2026Filed by Nguyen AnhCo
Filers on record
Cherry Brian NFirst tracked purchase
Nguyen AnhCoFirst tracked sale