Walleye Trading LLC Atara Biotherapeutics, Inc. Call Options Transaction History

Walleye Trading LLC

8 transactions

Quarter	Operation	Price Per call	calls change	calls Held
Q1 2021 May 17, 2021	SELL	$14.0 - $20.72 $113,400 - $167,832	-8,100 Closed	0 $0
Q4 2020 Feb 16, 2021	BUY	$12.67 - $26.23 $102,627 - $212,463	8,100 New	8,100 $159,000
Q1 2020 May 15, 2020	SELL	$5.69 - $17.78 $4,552 - $14,224	-800 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$10.89 - $16.79 $41,382 - $63,802	-3,800 Reduced 82.61%	800 $13,000
Q3 2019 Nov 14, 2019	BUY	$12.03 - $19.94 $52,932 - $87,736	4,400 Added 2200.0%	4,600 $65,000

Q2 2019 Aug 14, 2019	BUY	$19.05 - $41.04 $3,810 - $8,208	200 New	200 $4,000
Q1 2019 May 15, 2019	SELL	$28.4 - $41.74 $213,000 - $313,050	-7,500 Closed	0 $0
Q4 2018 Feb 14, 2019	BUY	$30.9 - $42.97 $231,750 - $322,275	7,500 New	7,500 $261,000

85M

18.4K

51.3K

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...

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