SELLAS Life Sciences Group, Inc.
SEC Filing List
SLS CIK: 0001390478
| Form | Description | Owner/Filer | Filing Agent | Date | Actions |
|---|---|---|---|---|---|
| 4 | Statement of changes in beneficial owner... | Stergiou Angelos M. | Toppan Merrill/FA | 06/18/2026 | |
| 8-K | Current report filing | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 06/18/2026 | |
| S-8 | Initial registration statement for secur... | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 06/16/2026 | |
| 8-K | Current report filing | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 06/02/2026 | |
| 8-K | Current report filing | Sellas Life Sciences Group, Inc. | 05/12/2026 | ||
| 10-Q | Quarterly report pursuant to Section 13 ... | Sellas Life Sciences Group, Inc. | 05/12/2026 | ||
| SCHEDULE 13G/A | 04/24/2026 | ||||
| DEF 14A | Definitive proxy statements | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 04/23/2026 | |
| DEFA14A | Definitive additional proxy soliciting m... | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 04/23/2026 | |
| ARS | Annual report to security holders | Sellas Life Sciences Group, Inc. | Toppan Merrill/FA | 04/23/2026 | |
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