David A. Siegel Athersys, Inc Transaction History

Two Sigma Advisers, LP

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2021 Aug 16, 2021	SELL	$1.41 - $1.94 $72,474 - $99,716	-51,400 Closed	0 $0
Q1 2021 May 17, 2021	SELL	$1.61 - $2.77 $348,887 - $600,259	-216,700 Reduced 80.83%	51,400 $93,000
Q4 2020 Feb 16, 2021	SELL	$1.55 - $2.24 $111,755 - $161,504	-72,100 Reduced 21.19%	268,100 $469,000
Q3 2020 Nov 16, 2020	BUY	$1.91 - $3.08 $620,368 - $1 Million	324,800 Added 2109.09%	340,200 $663,000
Q2 2020 Aug 14, 2020	BUY	$1.97 - $3.98 $30,338 - $61,292	15,400 New	15,400 $43,000
Q1 2020 May 15, 2020	SELL	$1.17 - $3.0 $17,784 - $45,600	-15,200 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$1.16 - $1.42 $7,191 - $8,804	-6,200 Reduced 28.97%	15,200 $19,000
Q3 2019 Nov 14, 2019	SELL	$1.21 - $1.65 $8,712 - $11,880	-7,200 Reduced 25.17%	21,400 $28,000
Q2 2019 Aug 14, 2019	BUY	$1.39 - $2.03 $3,197 - $4,669	2,300 Added 8.75%	28,600 $48,000
Q1 2019 May 15, 2019	BUY	$1.39 - $1.71 $36,557 - $44,973	26,300 New	26,300 $39,000
Q4 2018 Feb 14, 2019	SELL	$1.41 - $2.16 $52,734 - $80,784	-37,400 Closed	0 $0
Q3 2018 Nov 14, 2018	SELL	$1.86 - $2.18 $21,204 - $24,852	-11,400 Reduced 23.36%	37,400 $79,000
Q2 2018 Aug 14, 2018	BUY	$1.76 - $2.79 $85,888 - $136,152	48,800 New	48,800 $96,000
Q1 2018 May 15, 2018	SELL	$1.34 - $2.03 $30,016 - $45,471	-22,400 Closed	0 $0
Q4 2017 Feb 14, 2018	SELL	$1.65 - $2.45 $23,100 - $34,300	-14,000 Reduced 38.46%	22,400 $41,000
Q3 2017 Nov 14, 2017	BUY	$1.5 - $2.55 $54,600 - $92,820	36,400	36,400 $75,000

Ticker ATHX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 305,110,016
Market Cap $3.05M
Description
Athersys, Inc., a biotechnology company, focuses on the research and development activities in the field of regenerative medicine. Its clinical development programs are focused on treating neurological conditions, cardiovascular diseases, inflammatory and immune disorders, and pulmonary and other conditions. The company's lead platform product i...

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