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

Walleye Trading LLC

6 transactions

Quarter	Operation	Price Per put	puts change	puts Held
Q1 2021 May 17, 2021	SELL	$14.0 - $20.72 $358,400 - $530,432	-25,600 Closed	0 $0
Q4 2020 Feb 16, 2021	BUY	$12.67 - $26.23 $324,352 - $671,488	25,600 New	25,600 $503,000
Q1 2020 May 15, 2020	SELL	$5.69 - $17.78 $28,450 - $88,900	-5,000 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$10.89 - $16.79 $62,073 - $95,703	-5,700 Reduced 53.27%	5,000 $82,000
Q3 2019 Nov 14, 2019	BUY	$12.03 - $19.94 $24,060 - $39,880	2,000 Added 22.99%	10,700 $151,000
Q2 2019 Aug 14, 2019	BUY	$19.05 - $41.04 $165,735 - $357,048	8,700 New	8,700 $175,000

2.89M

Ticker ATRA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 94,362,304
Market Cap $1.13B
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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