Shares

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

May 15, 2024

SELL
$0.44 - $1.22 $893 - $2,477
-2,031 Reduced 5.29%
36,353 $25,000
Q4 2023

Feb 14, 2024

SELL
$0.23 - $1.74 $80,500 - $609,000
-350,000 Reduced 90.12%
38,384 $19,000
Q3 2023

Nov 09, 2023

SELL
$1.41 - $2.31 $422,729 - $692,556
-299,808 Reduced 43.56%
388,384 $574,000
Q2 2023

Aug 14, 2023

SELL
$1.5 - $3.04 $30,075 - $60,952
-20,050 Reduced 2.83%
688,192 $1.11 Million
Q1 2023

May 15, 2023

BUY
$2.8 - $5.46 $49,733 - $96,980
17,762 Added 2.57%
708,242 $2.05 Million
Q4 2022

Feb 13, 2023

BUY
$2.85 - $5.18 $1,769 - $3,216
621 Added 0.09%
690,480 $2.26 Million
Q3 2022

Nov 14, 2022

BUY
$2.85 - $8.73 $1.83 Million - $5.62 Million
643,414 Added 1385.32%
689,859 $2.61 Million
Q2 2022

Aug 11, 2022

SELL
$4.69 - $9.84 $30,358 - $63,694
-6,473 Reduced 12.23%
46,445 $363,000
Q1 2022

May 13, 2022

SELL
$8.44 - $16.89 $108,985 - $218,100
-12,913 Reduced 19.62%
52,918 $492,000
Q4 2021

Feb 11, 2022

SELL
$14.7 - $19.89 $3.07 Million - $4.15 Million
-208,566 Reduced 76.01%
65,831 $1.04 Million
Q3 2021

Nov 04, 2021

SELL
$11.99 - $17.9 $16,522 - $24,666
-1,378 Reduced 0.5%
274,397 $4.91 Million
Q2 2021

Aug 11, 2021

SELL
$12.89 - $16.58 $17 Million - $21.9 Million
-1,321,452 Reduced 82.73%
275,775 $4.29 Million
Q1 2021

May 13, 2021

BUY
$14.0 - $20.72 $14.1 Million - $20.8 Million
1,003,847 Added 169.17%
1,597,227 $22.9 Million
Q4 2020

Feb 16, 2021

SELL
$12.67 - $26.23 $1.3 Million - $2.7 Million
-102,797 Reduced 14.77%
593,380 $11.6 Million
Q3 2020

Nov 12, 2020

SELL
$11.92 - $15.87 $1.03 Million - $1.37 Million
-86,607 Reduced 11.06%
696,177 $9.02 Million
Q2 2020

Aug 13, 2020

BUY
$7.53 - $14.93 $3.46 Million - $6.87 Million
460,113 Added 142.6%
782,784 $11.4 Million
Q1 2020

May 14, 2020

BUY
$5.69 - $17.78 $63,699 - $199,047
11,195 Added 3.59%
322,671 $2.75 Million
Q4 2019

Feb 14, 2020

BUY
$10.89 - $16.79 $2.64 Million - $4.08 Million
242,732 Added 353.1%
311,476 $5.13 Million
Q3 2019

Nov 14, 2019

SELL
$12.03 - $19.94 $2.68 Million - $4.44 Million
-222,495 Reduced 76.4%
68,744 $969,000
Q2 2019

Aug 14, 2019

BUY
$19.05 - $41.04 $3.1 Million - $6.68 Million
162,821 Added 126.79%
291,239 $5.85 Million
Q1 2019

May 15, 2019

SELL
$28.4 - $41.74 $2.63 Million - $3.87 Million
-92,666 Reduced 41.91%
128,418 $5.1 Million
Q4 2018

Feb 14, 2019

SELL
$30.9 - $42.97 $25,554 - $35,536
-827 Reduced 0.37%
221,084 $7.68 Million
Q3 2018

Dec 21, 2021

BUY
$35.05 - $43.5 $3.47 Million - $4.3 Million
98,869 Added 80.35%
221,911 $9.18 Million
Q3 2018

Nov 14, 2018

SELL
$35.05 - $43.5 $3.46 Million - $4.29 Million
-98,660 Reduced 44.5%
123,042 $5.09 Million
Q2 2018

Apr 21, 2020

BUY
$35.15 - $51.45 $814,003 - $1.19 Million
23,158 Added 11.66%
221,702 $8.15 Million
Q2 2018

Aug 14, 2018

SELL
$35.15 - $51.45 $2.13 Million - $3.12 Million
-60,725 Reduced 23.42%
198,544 $7.3 Million
Q1 2018

Oct 18, 2019

BUY
$18.0 - $48.35 $3.35 Million - $8.99 Million
186,011 Added 253.91%
259,269 $10.1 Million
Q1 2018

May 15, 2018

BUY
$18.0 - $48.35 $39,114 - $105,064
2,173 Added 3.06%
73,258 $2.86 Million
Q4 2017

Feb 14, 2018

BUY
$13.2 - $18.1 $601,458 - $824,726
45,565 Added 178.55%
71,085 $1.29 Million
Q3 2017

Nov 14, 2017

BUY
$13.25 - $17.05 $338,140 - $435,116
25,520
25,520 $421,000

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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