SELLAS Life Sciences CEO Receives 1.065 Million Restricted Stock Units

Angelos M. Stergiou, President and CEO of SELLAS Life Sciences Group, Inc., received an award of 1,065,000 restricted stock units on June 16, 2026. The RSUs will vest in four equal installments of 25%, with the first vesting occurring on December 1, 2026, and subsequent vesting on each December 1 thereafter until fully vested. The award is contingent on Stergiou remaining in service with the company through each vesting date. Following this transaction, Stergiou's total holdings in SELLAS common stock increased to 1,759,183 shares. The filing was signed via power of attorney on June 18, 2026, and represents a standard equity compensation arrangement for executive officers.