Call Options Transactions Made in Q1 2021 in Atara Biotherapeutics, Inc. (ATRA)
This table provides information about the institutional ownership of Atara Biotherapeutics, Inc. (ATRA) during Q1 2021. The information is specifically focused on institutions that hold call options of Atara Biotherapeutics, Inc..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
May 10, 2021
Q1 2021
|
High Tower Advisors, LLC
Chicago, IL |
SELL
|
CALL |
-5Closed |
$70 - $104
|
0
$0
|
|
|
May 17, 2021
Q1 2021
|
Walleye Trading LLC
Plymouth, MN |
SELL
|
CALL |
-8.1KClosed |
$113K - $168K
|
0
$0
|