Call Options

2 transactions
Quarter Operation Price Per call calls change calls Held SEC Form
Q2 2023

Aug 14, 2023

SELL
$1.5 - $3.04 $110,400 - $223,744
-73,600 Reduced 28.9%
181,100 $291,000
Q1 2023

May 15, 2023

BUY
$2.8 - $5.46 $713,160 - $1.39 Million
254,700 New
254,700 $738,000

Others Institutions Holding ATRA

About Atara Biotherapeutics, Inc.


  • Ticker ATRA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 94,362,304
  • Market Cap $1.08B
  • Description
  • Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferat...
More about ATRA
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