On April 16, 2026, six insiders at Sionna Therapeutics, Inc. (SION) executed a series of sales, divesting approximately $62.45 million worth of company stock. The transactions involved sales at prices of $44.64 and $45.34 per share.
Among those selling were Peter A. Thompson, a director, and entities affiliated with OrbiMed, including Advisors Llc Orbimed and Capital Gp Viii Llc Orbimed, who are also listed as directors. These sales occurred across multiple transactions on April 15th and 16th, 2026.
While insider selling can be attributed to various personal or financial reasons such as diversification or tax planning, a coordinated divestment by multiple company insiders may draw investor attention as the company navigates its current market position.