Shares

13 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2022

May 12, 2022

SELL
$8.44 - $16.89 $4.22 Million - $8.45 Million
-500,000 Reduced 33.33%
1,000,000 $9.29 Million
Q2 2021

Aug 13, 2021

SELL
$12.89 - $16.58 $6.45 Million - $8.29 Million
-500,000 Reduced 25.0%
1,500,000 $23.3 Million
Q1 2021

May 14, 2021

SELL
$14.0 - $20.72 $11.2 Million - $16.6 Million
-800,000 Reduced 28.57%
2,000,000 $28.7 Million
Q4 2020

Feb 11, 2021

BUY
$12.67 - $26.23 $6.97 Million - $14.4 Million
550,000 Added 24.44%
2,800,000 $55 Million
Q3 2020

Nov 13, 2020

SELL
$11.92 - $15.87 $2.98 Million - $3.97 Million
-250,000 Reduced 10.0%
2,250,000 $29.2 Million
Q1 2020

May 14, 2020

BUY
$5.69 - $17.78 $4.27 Million - $13.3 Million
750,000 Added 42.86%
2,500,000 $21.3 Million
Q4 2019

Feb 13, 2020

BUY
$10.89 - $16.79 $2.72 Million - $4.2 Million
250,000 Added 16.67%
1,750,000 $28.8 Million
Q3 2019

Nov 14, 2019

BUY
$12.03 - $19.94 $4.21 Million - $6.98 Million
350,000 Added 30.43%
1,500,000 $21.2 Million
Q1 2019

May 10, 2019

BUY
$28.4 - $41.74 $4.26 Million - $6.26 Million
150,000 Added 15.0%
1,150,000 $45.7 Million
Q2 2018

Aug 10, 2018

SELL
$35.15 - $51.45 $8.79 Million - $12.9 Million
-250,000 Reduced 20.0%
1,000,000 $36.8 Million
Q1 2018

May 10, 2018

BUY
$18.0 - $48.35 $4.5 Million - $12.1 Million
250,000 Added 25.0%
1,250,000 $48.8 Million
Q4 2017

Feb 09, 2018

BUY
$13.2 - $18.1 $5.28 Million - $7.24 Million
400,000 Added 66.67%
1,000,000 $18.1 Million
Q3 2017

Nov 08, 2017

BUY
$13.25 - $17.05 $7.95 Million - $10.2 Million
600,000
600,000 $9.93 Million

Others Institutions Holding ATRA

About Atara Biotherapeutics, Inc.


  • Ticker ATRA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 94,362,304
  • Market Cap $781M
  • 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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