Figures computed from official regulatory filings — .
Ownershipinsiders 0% · institutions 0% · short 3.8% of float
In USD · as of Oct 5, 2026
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Athersys, Inc., a clinical-stage biotechnology company, develops therapies in the regenerative medicine area. Its stem cell product candidate is the MultiStem cell therapy, an allogeneic stem cell product for the treatment of indications in the neurological, inflammatory and immune, and cardiovascular disease areas, as well as other critical care conditions. The company was founded in 1995 and is headquartered in Cleveland, Ohio. On September 24, 2024, the voluntary petition of Athersys, Inc. for reorganization under Chapter 11 was converted to Chapter 7. It had filed for Chapter 11 bankruptcy along with its affiliates on January 5, 2024.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
69 buys151 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Hansen Maia | Other | $2 | SEC | ||
| Hansen Maia |
| Other |
| $10.2K |
| SEC |
| Camardo Daniel A. | Other | $8.8K | SEC |
| Hansen Maia | Other | $20.1 | SEC |
| MAYHUGH NEEMA | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Hansen Maia | Other | $6.4K | SEC |
| Camardo Daniel A. | Other | $18.2K | SEC |
| Hansen Maia | Other | $251.1 | SEC |
| Camardo Daniel A. | Other | $20K | SEC |
| Hansen Maia | Other | $7.4K | SEC |
| Nolan Joseph Patrick | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kola Ismail | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| WYSZOMIERSKI JACK L | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wasman Jane | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Nolan Joseph Patrick | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Camardo Daniel A. | Other | $20K | SEC |
| Hansen Maia | Other | $7K | SEC |
| Hansen Maia | Other | $54.3 | SEC |
| Camardo Daniel A. | Buy | $55K | conv 62 | SEC |
| Hansen Maia | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Camardo Daniel A. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Hansen Maia | Other | $19.3 | SEC |
| Wasman Jane | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wasman Jane | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kola Ismail | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |