| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wasman Jane | Director | C/O SELLAS LIFE SCIENCES GROUP, INC.,, 7 TIMES SQUARE, SUITE 2503, NEW YORK | /s/ Jane Wasman | 2025-06-02 | 0001352455 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLS | Common Stock | Purchase | $33.8K | +20K | +192.31% | $1.69 | 30.4K | May 30, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The shares were purchased in multiple transactions at a price of $1.69. The reporting person undertakes to provide SELLAS Life Sciences Group, Inc., any security holder of SELLAS Life Sciences Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at the price set forth in this footnote. |