ATHERSYS, INC / NEW Form 10-K: Annual report

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

2023-04-03: Form 10-K; Period of report 2022-12-31; Description 10-K; Document athx-20221231.htm.
2022-03-15: Form 10-K; Period of report 2021-12-31; Description 10-K; Document athx-20211231.htm.
2021-03-25: Form 10-K; Period of report 2020-12-31; Description 10-K; Document athx-20201231.htm.
2020-03-16: Form 10-K; Period of report 2019-12-31; Description 10-K; Document athx-20191231x10k.htm.

Filed	Form	Period of report	Description	Document
2023-04-03	10-K	2022-12-31	10-K	athx-20221231.htm
2022-03-15	10-K	2021-12-31	10-K	athx-20211231.htm
2021-03-25	10-K	2020-12-31	10-K	athx-20201231.htm
2020-03-16	10-K	2019-12-31	10-K	athx-20191231x10k.htm
2019-03-15	10-K	2018-12-31	FORM 10-K	athx-20181231x10k.htm
2018-03-15	10-K	2017-12-31	FORM 10-K	d542167d10k.htm
2017-03-10	10-K	2016-12-31	FORM 10-K	d328702d10k.htm
2016-03-11	10-K	2015-12-31	FORM 10-K	d128866d10k.htm
2015-03-12	10-K	2014-12-31	FORM 10-K	d841893d10k.htm
2014-03-13	10-K	2013-12-31	FORM 10-K	d655840d10k.htm
2013-03-12	10-K	2012-12-31	10-K	d444950d10k.htm
2012-03-28	10-K	2011-12-31	FORM 10-K	d284897d10k.htm
2011-03-25	10-K	2010-12-31	FORM 10-K	c13875e10vk.htm
2010-03-11	10-K	2009-12-31	FORM 10-K	c97513e10vk.htm
2009-03-12	10-K	2008-12-31	FORM 10-K	c82275e10vk.htm
2008-03-14	10-K	2007-12-31	ATHERSYS, INC. 10-K	l30573ae10vk.htm