Shares

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

May 15, 2024

SELL
$0.44 - $1.22 $1.13 Million - $3.12 Million
-2,559,735 Reduced 87.63%
361,245 $249,000
Q4 2023

Feb 14, 2024

BUY
$0.23 - $1.74 $311,975 - $2.36 Million
1,356,416 Added 86.7%
2,920,980 $1.49 Million
Q2 2023

Aug 14, 2023

BUY
$1.5 - $3.04 $1.58 Million - $3.21 Million
1,055,769 Added 207.5%
1,564,564 $2.52 Million
Q1 2023

May 15, 2023

BUY
$2.8 - $5.46 $1.04 Million - $2.02 Million
369,715 Added 265.83%
508,795 $1.48 Million
Q4 2022

Feb 14, 2023

BUY
$2.85 - $5.18 $11,015 - $20,020
3,865 Added 2.86%
139,080 $456,000
Q3 2022

Nov 14, 2022

BUY
$2.85 - $8.73 $205,807 - $630,419
72,213 Added 114.62%
135,215 $511,000
Q2 2022

Aug 15, 2022

SELL
$4.69 - $9.84 $1.79 Million - $3.76 Million
-382,079 Reduced 85.84%
63,002 $491,000
Q1 2022

May 16, 2022

BUY
$8.44 - $16.89 $3.4 Million - $6.81 Million
403,398 Added 967.78%
445,081 $4.14 Million
Q4 2021

Feb 14, 2022

SELL
$14.7 - $19.89 $919,440 - $1.24 Million
-62,547 Reduced 60.01%
41,683 $657,000
Q3 2021

Nov 15, 2021

SELL
$11.99 - $17.9 $3.13 Million - $4.67 Million
-261,067 Reduced 71.47%
104,230 $1.87 Million
Q2 2021

Aug 16, 2021

SELL
$12.89 - $16.58 $929,072 - $1.2 Million
-72,077 Reduced 16.48%
365,297 $5.68 Million
Q1 2021

May 17, 2021

BUY
$14.0 - $20.72 $3.9 Million - $5.77 Million
278,495 Added 175.29%
437,374 $6.28 Million
Q4 2020

Feb 16, 2021

SELL
$12.67 - $26.23 $1.83 Million - $3.79 Million
-144,537 Reduced 47.64%
158,879 $3.12 Million
Q3 2020

Nov 16, 2020

BUY
$11.92 - $15.87 $3.62 Million - $4.82 Million
303,416 New
303,416 $3.93 Million
Q2 2020

Aug 14, 2020

SELL
$7.53 - $14.93 $494,231 - $979,930
-65,635 Closed
0 $0
Q1 2020

May 14, 2020

SELL
$5.69 - $17.78 $669,923 - $2.09 Million
-117,737 Reduced 64.21%
65,635 $559,000
Q4 2019

Feb 14, 2020

BUY
$10.89 - $16.79 $2 Million - $3.08 Million
183,372 New
183,372 $3.02 Million
Q3 2019

Nov 14, 2019

SELL
$12.03 - $19.94 $2.34 Million - $3.88 Million
-194,380 Closed
0 $0
Q2 2019

Aug 14, 2019

BUY
$19.05 - $41.04 $645,452 - $1.39 Million
33,882 Added 21.11%
194,380 $3.91 Million
Q1 2019

May 14, 2019

BUY
$28.4 - $41.74 $4.2 Million - $6.18 Million
147,971 Added 1181.22%
160,498 $6.38 Million
Q4 2018

Feb 14, 2019

BUY
$30.9 - $42.97 $387,084 - $538,285
12,527 New
12,527 $435,000
Q4 2017

Feb 14, 2018

SELL
$13.2 - $18.1 $286,624 - $393,023
-21,714 Closed
0 $0
Q3 2017

Nov 14, 2017

BUY
$13.25 - $17.05 $287,710 - $370,223
21,714
21,714 $359,000

Others Institutions Holding ATRA

About Atara Biotherapeutics, Inc.


  • Ticker ATRA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 94,362,304
  • Market Cap $1.01B
  • 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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