| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G | Report | Jul 8, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Feb 3, 2022 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G | Report | Feb 7, 2020 | ||
| SC 13G/A | Report | May 10, 2019 | ||
| SC 13G | Report | Feb 8, 2019 | ||
| SC 13G/A | Report | SC 13G/A | Feb 16, 2016 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 17, 2015 | |
| SC 13G/A | Report | Jan 29, 2015 | ||
| SC 13G/A | Report | SABBY 13G-A ATHX 01.09.15 | Jan 9, 2015 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 14, 2014 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2014 | |
| SC 13G/A | Report | Feb 14, 2014 | ||
| SC 13G/A | Report | AMENDMENT NO. 2 | Jan 27, 2014 | |
| SC 13G | Report | SABBY 14G ATHX 01.14.14 | Jan 14, 2014 | |
| SC 13G/A | Report | SABBY 13GA ATHX 01.07.14 | Jan 7, 2014 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2013 | |
| SC 13G | Report | Feb 11, 2013 | ||
| SC 13G/A | Report | SABBY 13G-A ATHX 01.28.13 | Jan 28, 2013 | |
| SC 13G/A | Report | ASPIRE - ATHERSYS 13G AMENDMENT 1 - 1-23-13 | Jan 23, 2013 | |
| SC 13G | Report | SC 13G | Nov 5, 2012 | |
| SC 13G | Report | 13G ATHX 10.09.12 | Oct 9, 2012 | |
| SC 13G | Report | ASPIRE CAPITAL FUND SC13G | Dec 2, 2011 |