Shares

17 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2023

May 11, 2023

BUY
$2.8 - $5.46 $169,344 - $330,220
60,480 Added 9.31%
710,258 $2.06 Million
Q4 2022

Feb 13, 2023

SELL
$2.85 - $5.18 $68,402 - $124,325
-24,001 Reduced 3.56%
649,778 $2.13 Million
Q3 2022

Nov 14, 2022

BUY
$2.85 - $8.73 $814,649 - $2.5 Million
285,842 Added 73.68%
673,779 $2.55 Million
Q2 2022

Aug 12, 2022

BUY
$4.69 - $9.84 $3,995 - $8,383
852 Added 0.22%
387,937 $3.02 Million
Q1 2022

May 13, 2022

BUY
$8.44 - $16.89 $1.13 Million - $2.27 Million
134,162 Added 53.04%
387,085 $3.6 Million
Q4 2021

Feb 10, 2022

BUY
$14.7 - $19.89 $1.91 Million - $2.59 Million
130,206 Added 106.1%
252,923 $3.99 Million
Q3 2021

Nov 10, 2021

SELL
$11.99 - $17.9 $424,206 - $633,302
-35,380 Reduced 22.38%
122,717 $2.2 Million
Q2 2021

Aug 10, 2021

SELL
$12.89 - $16.58 $503,225 - $647,283
-39,040 Reduced 19.8%
158,097 $2.46 Million
Q1 2021

May 10, 2021

BUY
$14.0 - $20.72 $2.46 Million - $3.64 Million
175,582 Added 814.58%
197,137 $2.83 Million
Q4 2020

Feb 10, 2021

SELL
$12.67 - $26.23 $630,636 - $1.31 Million
-49,774 Reduced 69.78%
21,555 $423,000
Q3 2020

Nov 13, 2020

BUY
$11.92 - $15.87 $419,774 - $558,877
35,216 Added 97.52%
71,329 $924,000
Q2 2020

Aug 07, 2020

BUY
$7.53 - $14.93 $271,930 - $539,167
36,113 New
36,113 $526,000
Q1 2020

May 15, 2020

SELL
$5.69 - $17.78 $359,545 - $1.12 Million
-63,189 Closed
0 $0
Q4 2019

Feb 10, 2020

SELL
$10.89 - $16.79 $1.08 Million - $1.67 Million
-99,435 Reduced 61.14%
63,189 $1.04 Million
Q3 2019

Nov 14, 2019

BUY
$12.03 - $19.94 $518,709 - $859,772
43,118 Added 36.08%
162,624 $2.3 Million
Q2 2019

Aug 09, 2019

BUY
$19.05 - $41.04 $1.04 Million - $2.24 Million
54,607 Added 84.14%
119,506 $2.4 Million
Q1 2019

May 15, 2019

BUY
$28.4 - $41.74 $1.84 Million - $2.71 Million
64,899 New
64,899 $2.58 Million

Others Institutions Holding ATRA

About Atara Biotherapeutics, Inc.


  • Ticker ATRA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 94,362,304
  • Market Cap $728M
  • 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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