Form4insider filings, from the source

Company · CIK 0001390478 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

SELLAS Life Sciences Group, Inc. · SLS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 16, 2026 AForm 4 →Jun 18, 4:30 pm EDTAngelos M. StergiouPresident and CEO, Director1,065,000——1,759,183—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.