Three directors at Sionna Therapeutics, Inc. (SION) collectively sold shares valued at approximately $25.60 million on May 11, 2026. The transactions involved Advisors Llc Orbimed, Capital Gp Viii Llc Orbimed, and Peter A. Thompson, each selling 184,639 shares at a price of $46.22 per share.
These sales represent significant divestments from key individuals within the company. While insider selling can be attributed to various factors such as portfolio diversification, tax planning, or personal liquidity requirements, coordinated sales by multiple insiders can sometimes draw increased investor scrutiny.
The aggregate value of these recent sales, combined with prior transactions from May 8, 2026, underscores a period of notable insider activity at Sionna Therapeutics.