Shares

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

May 15, 2023

SELL
$2.8 - $5.46 $28,072 - $54,741
-10,026 Reduced 27.77%
26,074 $75,000
Q4 2022

Feb 14, 2023

BUY
$2.85 - $5.18 $45,189 - $82,134
15,856 Added 78.32%
36,100 $118,000
Q3 2022

Nov 14, 2022

BUY
$2.85 - $8.73 $418 - $1,283
147 Added 0.73%
20,244 $77,000
Q2 2022

Aug 12, 2022

BUY
$4.69 - $9.84 $47,978 - $100,663
10,230 Added 103.68%
20,097 $157,000
Q1 2022

May 16, 2022

SELL
$8.44 - $16.89 $4,971 - $9,948
-589 Reduced 5.63%
9,867 $92,000
Q4 2021

Feb 14, 2022

SELL
$14.7 - $19.89 $59,402 - $80,375
-4,041 Reduced 27.87%
10,456 $165,000
Q3 2021

Nov 15, 2021

SELL
$11.99 - $17.9 $9,124 - $13,621
-761 Reduced 4.99%
14,497 $259,000
Q2 2021

Aug 10, 2021

BUY
$12.89 - $16.58 $31,915 - $41,052
2,476 Added 19.37%
15,258 $237,000
Q1 2021

May 17, 2021

BUY
$14.0 - $20.72 $3,052 - $4,516
218 Added 1.74%
12,782 $184,000
Q4 2020

Feb 12, 2021

SELL
$12.67 - $26.23 $257,175 - $532,416
-20,298 Reduced 61.77%
12,564 $247,000
Q3 2020

Nov 13, 2020

SELL
$11.92 - $15.87 $53,389 - $71,081
-4,479 Reduced 11.99%
32,862 $426,000
Q2 2020

Aug 05, 2020

BUY
$7.53 - $14.93 $105,947 - $210,065
14,070 Added 60.46%
37,341 $544,000
Q1 2020

May 14, 2020

SELL
$5.69 - $17.78 $19,317 - $60,363
-3,395 Reduced 12.73%
23,271 $198,000
Q4 2019

Feb 13, 2020

BUY
$10.89 - $16.79 $164,515 - $253,646
15,107 Added 130.69%
26,666 $439,000
Q3 2019

Nov 12, 2019

SELL
$12.03 - $19.94 $7,747 - $12,841
-644 Reduced 5.28%
11,559 $163,000
Q2 2019

Aug 13, 2019

BUY
$19.05 - $41.04 $232,467 - $500,811
12,203 New
12,203 $245,000

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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