Shares

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

May 14, 2024

SELL
$0.44 - $1.22 $15 - $43
-36 Reduced 0.1%
34,507 $23,000
Q4 2023

Feb 12, 2024

BUY
$0.23 - $1.74 $1,275 - $9,648
5,545 Added 19.12%
34,543 $17,000
Q3 2023

Nov 13, 2023

BUY
$1.41 - $2.31 $197 - $323
140 Added 0.49%
28,998 $42,000
Q2 2023

Aug 11, 2023

SELL
$1.5 - $3.04 $5,347 - $10,837
-3,565 Reduced 11.0%
28,858 $46,000
Q1 2023

May 12, 2023

SELL
$2.8 - $5.46 $108,004 - $210,608
-38,573 Reduced 54.33%
32,423 $94,000
Q4 2022

Feb 13, 2023

SELL
$2.85 - $5.18 $1,684 - $3,061
-591 Reduced 0.83%
70,996 $232,000
Q3 2022

Nov 14, 2022

SELL
$2.85 - $8.73 $5,175 - $15,853
-1,816 Reduced 2.47%
71,587 $271,000
Q2 2022

Aug 15, 2022

BUY
$4.69 - $9.84 $39,719 - $83,334
8,469 Added 13.04%
73,403 $572,000
Q1 2022

May 16, 2022

BUY
$8.44 - $16.89 $150,957 - $302,094
17,886 Added 38.02%
64,934 $603,000
Q4 2021

Feb 14, 2022

SELL
$14.7 - $19.89 $73,794 - $99,847
-5,020 Reduced 9.64%
47,048 $742,000
Q3 2021

Nov 15, 2021

BUY
$11.99 - $17.9 $49,770 - $74,302
4,151 Added 8.66%
52,068 $933,000
Q2 2021

Aug 17, 2021

BUY
$12.89 - $16.58 $151,560 - $194,947
11,758 Added 32.52%
47,917 $745,000
Q1 2021

May 17, 2021

SELL
$14.0 - $20.72 $28,574 - $42,289
-2,041 Reduced 5.34%
36,159 $519,000
Q4 2020

Feb 16, 2021

BUY
$12.67 - $26.23 $135,556 - $280,634
10,699 Added 38.9%
38,200 $750,000
Q3 2020

Nov 16, 2020

SELL
$11.92 - $15.87 $7,402 - $9,855
-621 Reduced 2.21%
27,501 $357,000
Q2 2020

Aug 14, 2020

SELL
$7.53 - $14.93 $21,776 - $43,177
-2,892 Reduced 9.32%
28,122 $409,000
Q1 2020

May 15, 2020

BUY
$5.69 - $17.78 $176,469 - $551,428
31,014 New
31,014 $264,000

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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