Put Options

3 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q3 2018

Nov 14, 2018

SELL
$35.05 - $43.5 $1.3 Million - $1.61 Million
-37,100 Closed
0 $0
Q2 2018

Aug 14, 2018

BUY
$35.15 - $51.45 $1.05 Million - $1.54 Million
30,000 Added 422.54%
37,100 $1.36 Million
Q1 2018

May 15, 2018

BUY
$18.0 - $48.35 $127,800 - $343,285
7,100 New
7,100 $277,000

Others Institutions Holding ATRA

About Atara Biotherapeutics, Inc.


  • Ticker ATRA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 94,362,304
  • Market Cap $776M
  • 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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