Shares

9 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q4 2023

Feb 16, 2024

BUY
$0.23 - $1.74 $180,404 - $1.36 Million
784,367 New
784,367 $400,000
Q1 2023

May 12, 2023

BUY
$2.8 - $5.46 $148,184 - $288,959
52,923 Added 300.78%
70,518 $204,000
Q4 2022

Feb 13, 2023

SELL
$2.85 - $5.18 $107,197 - $194,835
-37,613 Reduced 68.13%
17,595 $58,000
Q3 2022

Nov 14, 2022

BUY
$2.85 - $8.73 $157,342 - $481,965
55,208 New
55,208 $209,000
Q2 2022

Aug 09, 2022

SELL
$4.69 - $9.84 $67,845 - $142,345
-14,466 Closed
0 $0
Q1 2022

May 11, 2022

SELL
$8.44 - $16.89 $83,682 - $167,464
-9,915 Reduced 40.67%
14,466 $134,000
Q4 2021

Feb 14, 2022

BUY
$14.7 - $19.89 $358,400 - $484,938
24,381 New
24,381 $384,000
Q2 2021

Aug 05, 2021

SELL
$12.89 - $16.58 $167,582 - $215,556
-13,001 Closed
0 $0
Q1 2021

May 10, 2021

BUY
$14.0 - $20.72 $182,014 - $269,380
13,001 New
13,001 $187,000

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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