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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in ATHERSYS, INC / NEW. Get notifications about new insider transactions in ATHERSYS, INC / NEW for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 20 2011	ATHX	ATHERSYS, INC / NE ...	WYSZOMIERSKI JACK L	Director	Option Exercise	A	2.69	15,000	40,350	15,000
Jun 20 2011	ATHX	ATHERSYS, INC / NE ...	Babiss Lee	Director	Option Exercise	A	2.69	15,000	40,350	15,000
Jun 20 2011	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	A	2.69	15,000	40,350	15,000
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	75	218	15,250	15.3 K to 15.3 K (-0.49 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	7,625	22,113	1,600,450	1.6 M to 1.6 M (-0.47 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	350	1,015	15,325	15.7 K to 15.3 K (-2.23 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	36,250	105,125	1,608,075	1.6 M to 1.6 M (-2.20 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	25	73	15,675	15.7 K to 15.7 K (-0.16 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	1,975	5,728	1,644,325	1.6 M to 1.6 M (-0.12 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	1,300	3,770	1,646,300	1.6 M to 1.6 M (-0.08 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.93	100	293	15,700	15.8 K to 15.7 K (-0.63 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.93	15,600	45,708	1,647,600	1.7 M to 1.6 M (-0.94 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	300	870	15,800	16.1 K to 15.8 K (-1.86 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	29,900	86,710	1,663,200	1.7 M to 1.7 M (-1.77 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.91	200	582	16,100	16.3 K to 16.1 K (-1.23 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.91	20,700	60,237	1,693,100	1.7 M to 1.7 M (-1.21 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.94	500	1,470	16,300	16.8 K to 16.3 K (-2.98 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.94	47,200	138,768	1,713,800	1.8 M to 1.7 M (-2.68 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	100	290	16,800	16.9 K to 16.8 K (-0.59 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.90	14,200	41,180	1,761,000	1.8 M to 1.8 M (-0.80 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.91	100	291	16,900	17 K to 16.9 K (-0.59 %)
Apr 29 2011	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	10% Owner	Sell	S	2.91	12,900	37,539	1,775,200	1.8 M to 1.8 M (-0.72 %)
Apr 04 2011	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	2.81	8,200	23,042	213,232	205 K to 213.2 K (+4.00 %)
Mar 29 2011	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	2.50	10,000	25,000	205,032	195 K to 205 K (+5.13 %)
Oct 19 2010	ATHX	ATHERSYS, INC / NE ...	Kola Ismail	Director	Option Exercise	A	2.82	75,000	211,500	75,000
Sep 09 2010	ATHX	ATHERSYS, INC / NE ...	Randall Lorin	Director	Option Exercise	A	2.71	15,000	40,650	15,000
Aug 10 2010	ATHX	ATHERSYS, INC / NE ...	Babiss Lee	Director	Option Exercise	A	3.20	75,000	240,000	75,000
Jun 14 2010	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	2.94	15,000	44,100	15,000
Jun 21 2010	ATHX	ATHERSYS, INC / NE ...	WYSZOMIERSKI JACK L	Director	Option Exercise	A	7.80	75,000	585,000	75,000
Jun 14 2010	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	A	2.94	15,000	44,100	15,000
Jun 14 2010	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	A	2.94	15,000	44,100	15,000
Mar 18 2010	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	2.81	5,000	14,050	195,032	190 K to 195 K (+2.63 %)
Mar 18 2010	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	2.92	10,000	29,200	190,032	180 K to 190 K (+5.55 %)
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	J	0.00	466	0	3,872	3.4 K to 3.9 K (+13.68 %)
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Sell	J	0.00	4,947	0	1,805,100	1.8 M to 1.8 M (-0.27 %)
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	J	0.00	3,406	0	3,406	0 to 3.4 K
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Sell	J	0.00	1,800,153	0	1,810,047	3.6 M to 1.8 M (-49.86 %)
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Sell	J	0.00	4,947	0	1,805,100	1.8 M to 1.8 M (-0.27 %)
Jan 12 2010	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Sell	J	0.00	1,800,153	0	1,810,047	3.6 M to 1.8 M (-49.86 %)
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Deans Robert J	Sr. Vice President	Option Exercise	A	5.28	18,939	99,998	18,939
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Deans Robert J	Sr. Vice President	Option Exercise	A	5.28	1,061	5,602	1,061
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President & COO	Option Exercise	A	5.28	18,939	99,998	18,939
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President & COO	Option Exercise	A	5.28	3,561	18,802	3,561
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Option Exercise	A	5.28	18,939	99,998	18,939
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Option Exercise	A	5.28	6,061	32,002	6,061
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Campbell Laura K	Vice President	Option Exercise	A	5.28	17,500	92,400	17,500
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	A	5.28	18,939	99,998	18,939
Dec 24 2009	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	A	5.28	3,561	18,802	3,561
Sep 10 2009	ATHX	ATHERSYS, INC / NE ...	Randall Lorin	Director	Option Exercise	A	1.35	15,000	20,250	15,000
Jun 10 2009	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	A	1.50	15,000	22,500	15,000
Jun 10 2009	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	1.50	15,000	22,500	15,000
Jun 10 2009	ATHX	ATHERSYS, INC / NE ...	Davis Jordan	Director	Option Exercise	A	1.50	15,000	22,500	15,000
Jun 10 2009	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	A	1.50	15,000	22,500	15,000
Jun 10 2009	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	A	1.50	15,000	22,500	15,000
Mar 18 2009	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.67	10,000	6,700	180,032	170 K to 180 K (+5.88 %)
Mar 18 2009	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	0.84	110,000	92,400	3,610,200	3.5 M to 3.6 M (+3.14 %)
Mar 18 2009	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	0.65	52,200	33,930	3,500,200	3.4 M to 3.5 M (+1.51 %)
Mar 18 2009	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Buy	P	0.84	110,000	92,400	3,610,200	3.5 M to 3.6 M (+3.14 %)
Mar 18 2009	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Buy	P	0.65	52,200	33,930	3,500,200	3.4 M to 3.5 M (+1.51 %)
Dec 17 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.50	5,000	2,500	170,032	165 K to 170 K (+3.03 %)
Dec 17 2008	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President & COO	Buy	P	0.42	900	378	6,900	6 K to 6.9 K (+15.00 %)
Dec 04 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.35	12,500	4,375	152,532	140 K to 152.5 K (+8.93 %)
Dec 03 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.35	12,500	4,375	165,032	152.5 K to 165 K (+8.20 %)
Dec 02 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.49	1,400	686	140,032	138.6 K to 140 K (+1.01 %)
Dec 02 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.48	8,600	4,128	138,632	130 K to 138.6 K (+6.61 %)
Dec 02 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.40	12,500	5,000	130,032	117.5 K to 130 K (+10.64 %)
Nov 25 2008	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Dir. & Chief Scient ...	Buy	P	0.33	5,000	1,650	96,644	91.6 K to 96.6 K (+5.46 %)
Nov 25 2008	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Dir. & Chief Scient ...	Buy	P	0.33	5,835	1,926	91,644	85.8 K to 91.6 K (+6.80 %)
Nov 25 2008	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	0.33	12,500	4,125	117,532	105 K to 117.5 K (+11.90 %)
Sep 10 2008	ATHX	ATHERSYS, INC / NE ...	Randall Lorin	Director	Option Exercise	A	2.34	15,000	35,100	15,000
Jun 18 2008	ATHX	ATHERSYS, INC / NE ...	Davis Jordan	Director	Option Exercise	A	2.96	15,000	44,400	15,000
Jun 18 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	2.96	15,000	44,400	15,000
Jun 18 2008	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	A	2.96	15,000	44,400	15,000
Jun 18 2008	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	A	2.96	15,000	44,400	15,000
Jun 18 2008	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	A	2.96	15,000	44,400	15,000
May 23 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 23 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 23 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	2.40	268,000	643,200	3,448,000	3.2 M to 3.4 M (+8.43 %)
May 23 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 23 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 23 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Buy	P	2.40	268,000	643,200	3,448,000	3.2 M to 3.4 M (+8.43 %)
May 21 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 21 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 21 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	2.40	130,000	312,000	3,180,000	3.1 M to 3.2 M (+4.26 %)
May 21 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 21 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 21 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Buy	P	2.40	130,000	312,000	3,180,000	3.1 M to 3.2 M (+4.26 %)
May 15 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 15 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 15 2008	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	2.40	50,000	120,000	3,050,000	3 M to 3.1 M (+1.67 %)
May 15 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
May 15 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Option Exercise	A	5.00	75,000	375,000	75,000
May 15 2008	ATHX	ATHERSYS, INC / NE ...	ORBIMED ADVISORS LLC	Director	Buy	P	2.40	50,000	120,000	3,050,000	3 M to 3.1 M (+1.67 %)
Dec 13 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chmn & Chief Execut ...	Buy	P	5.00	3,000	15,000	105,032	102 K to 105 K (+2.94 %)
Dec 06 2007	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President & COO	Buy	P	4.55	1,000	4,550	6,000	5 K to 6 K (+20.00 %)
Sep 06 2007	ATHX	ATHERSYS, INC / NE ...	Randall Lorin	Director	Option Exercise	A	7.80	75,000	585,000	75,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Davis Jordan	Director	Option Exercise	A	5.00	75,000	375,000	75,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Option Exercise	C	0.01	39,999	400	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Option Exercise	C	5.00	21,271	106,355	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Option Exercise	A	6.00	5,318	31,908	5,318
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Option Exercise	A	5.00	60,000	300,000	60,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Option Exercise	A	5.00	652,500	3,262,500	652,500
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Grant	A	0.00	537	0	537	0 to 537
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Buy	C	0.01	39,999	400	102,032	62 K to 102 K (+64.48 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Buy	C	5.00	21,271	106,355	62,033	40.8 K to 62 K (+52.18 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Van Bokkelen Gil	Chief Executive Off ...	Grant	A	0.00	40,762	0	40,762	0 to 40.8 K
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	C	0.01	199,998	2,000	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	C	5.00	106,356	531,780	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	A	6.00	26,589	159,534	26,589
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Option Exercise	A	5.00	75,000	375,000	75,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Buy	C	0.01	199,998	2,000	488,646	288.6 K to 488.6 K (+69.29 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Buy	C	5.00	106,356	531,780	288,648	182.3 K to 288.6 K (+58.34 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MULLIGAN WILLIAM C	Director	Grant	A	0.00	182,292	0	182,292	0 to 182.3 K
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	C	0.01	39,999	400	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	C	5.00	21,271	106,355	0
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	A	6.00	5,318	31,908	5,318
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	A	5.00	60,000	300,000	60,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Option Exercise	A	5.00	640,000	3,200,000	640,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Buy	C	0.01	39,999	400	85,809	45.8 K to 85.8 K (+87.31 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Buy	C	5.00	21,271	106,355	45,810	24.5 K to 45.8 K (+86.68 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Harrington John J	Chief Scientific Of ...	Grant	A	0.00	24,539	0	24,539	0 to 24.5 K
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Deans Robert J	Vice President	Option Exercise	A	5.00	60,000	300,000	60,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Deans Robert J	Vice President	Option Exercise	A	5.00	180,000	900,000	180,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Brunden Kurt L	Vice President	Option Exercise	A	5.00	50,000	250,000	50,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President	Option Exercise	A	6.00	1,250	7,500	1,250
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President	Option Exercise	A	5.00	60,000	300,000	60,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President	Option Exercise	A	5.00	340,000	1,700,000	340,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	Lehmann William JR	President	Buy	P	5.00	5,000	25,000	5,000	0 to 5 K
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	P	6.00	750,000	4,500,000	750,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Option Exercise	A	5.00	75,000	375,000	75,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	SHEFFERY MICHAEL B	Director	Buy	P	5.00	3,000,000	15,000,000	3,000,000	0 to 3 M
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	174,058	1,044,348	400,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	25,942	155,652	225,942
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	200,000	1,200,000	200,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	174,059	1,044,354	400,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	25,941	155,646	225,941
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	P	6.00	200,000	1,200,000	200,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Option Exercise	A	5.00	75,000	375,000	75,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Buy	P	5.00	696,234	3,481,170	1,600,000	903.8 K to 1.6 M (+77.04 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Buy	P	5.00	103,766	518,830	903,766	800 K to 903.8 K (+12.97 %)
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	LOOP FLOYD D MD	Director	Buy	P	5.00	800,000	4,000,000	800,000	0 to 800 K
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	174,058	1,044,348	400,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	25,942	155,652	225,942
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	200,000	1,200,000	200,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	2,500	15,000	2,500
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	174,059	1,044,354	400,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	25,941	155,646	225,941
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	200,000	1,200,000	200,000
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	P	6.00	2,500	15,000	2,500
Jun 12 2007	ATHX	ATHERSYS, INC / NE ...	MILNE GEORGE M JR	Director	Option Exercise	A	5.00	75,000	375,000	75,000

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