EC
EcoR1 Capital, LLC
DELAYED 1 MONTH
10% Owner
Atara Biotherapeutics, Inc.
Filings
1
Companies
1
Latest
May 7, 2026
Transactions
Signal
Ticker / Company
Insider
Transaction
Value
Filed
68
ATRA+49% IN
Atara Biotherapeutics, Inc.
EcoR1 Capital, LLC
10% Owner
Purchase
$4.7M
507,407 sh
May 11 9:34 PM
May 7, 2026