Stergiou Angelos M. (CIK 1724253) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-18). Recent activity: Buy SLS (1.1M shares), Sell SLS (187,066 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-18 | SELLAS Life Sciences Group, Inc. (SLS) | President and CEO | Buy | 1.1M | $0 |
| 2025-12-05 | SELLAS Life Sciences Group, Inc. (SLS) | President and CEO | Sell | 187,066 | $280,599 |
Source: SEC Form 4 filings · as of 2026-06-18