Shares

22 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

Apr 29, 2024

SELL
$0.44 - $1.22 $2,954 - $8,192
-6,715 Reduced 20.16%
26,591 $18,000
Q4 2023

Feb 07, 2024

SELL
$0.23 - $1.74 $497 - $3,760
-2,161 Reduced 6.09%
33,306 $16,000
Q3 2023

Nov 02, 2023

BUY
$1.41 - $2.31 $7,614 - $12,474
5,400 Added 17.96%
35,467 $52,000
Q2 2023

Aug 07, 2023

BUY
$1.5 - $3.04 $4,980 - $10,092
3,320 Added 12.41%
30,067 $48,000
Q1 2023

May 09, 2023

BUY
$2.8 - $5.46 $9,170 - $17,881
3,275 Added 13.95%
26,747 $77,000
Q4 2022

Feb 09, 2023

BUY
$2.85 - $5.18 $8,766 - $15,933
3,076 Added 15.08%
23,472 $76,000
Q3 2022

Nov 09, 2022

BUY
$2.85 - $8.73 $12,463 - $38,176
4,373 Added 27.29%
20,396 $77,000
Q2 2022

Aug 10, 2022

BUY
$4.69 - $9.84 $75,147 - $157,666
16,023 New
16,023 $124,000
Q1 2022

May 09, 2022

SELL
$8.44 - $16.89 $85,632 - $171,365
-10,146 Closed
0 $0
Q4 2021

Feb 09, 2022

SELL
$14.7 - $19.89 $92,698 - $125,426
-6,306 Reduced 38.33%
10,146 $160,000
Q3 2021

Nov 09, 2021

SELL
$11.99 - $17.9 $31,977 - $47,739
-2,667 Reduced 13.95%
16,452 $294,000
Q2 2021

Aug 10, 2021

SELL
$12.89 - $16.58 $151,560 - $194,947
-11,758 Reduced 38.08%
19,119 $297,000
Q1 2021

May 10, 2021

BUY
$14.0 - $20.72 $2,156 - $3,190
154 Added 0.5%
30,877 $443,000
Q4 2020

Feb 08, 2021

BUY
$12.67 - $26.23 $249,713 - $516,967
19,709 Added 178.94%
30,723 $603,000
Q3 2020

Nov 06, 2020

SELL
$11.92 - $15.87 $6,508 - $8,665
-546 Reduced 4.72%
11,014 $142,000
Q2 2020

Aug 05, 2020

BUY
$7.53 - $14.93 $87,046 - $172,590
11,560 New
11,560 $168,000
Q2 2019

Aug 12, 2019

SELL
$19.05 - $41.04 $239,744 - $516,488
-12,585 Closed
0 $0
Q1 2019

May 10, 2019

BUY
$28.4 - $41.74 $172,615 - $253,695
6,078 Added 93.41%
12,585 $501,000
Q4 2018

Feb 14, 2019

SELL
$30.9 - $42.97 $224,643 - $312,391
-7,270 Reduced 52.77%
6,507 $226,000
Q3 2018

Nov 14, 2018

BUY
$35.05 - $43.5 $70,520 - $87,522
2,012 Added 17.1%
13,777 $570,000
Q2 2018

Aug 13, 2018

BUY
$35.15 - $51.45 $220,495 - $322,745
6,273 Added 114.22%
11,765 $0
Q1 2018

May 14, 2018

BUY
$18.0 - $48.35 $98,856 - $265,538
5,492 New
5,492 $214,000

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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