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Sionna Therapeutics was formed in late 2019, leveraging 10 years of large pharma scientific investment and expertise. Our experienced scientific team has been on a mission to fully normalize CFTR function. In the three decades since the discovery of the genetic defects that cause cystic fibrosis (CF), researchers have made remarkable advances for patients. Yet the ultimate goal of CF drug development – to fully normalize the function of CFTR, the key protein leading to the pathology of CF – has remained out of reach.
After having a successful IPO less than a year ago, this biotech innovator had notable insider transactions to close out 2025.
This clinical-stage biotech focused on cystic fibrosis therapies reported a notable insider sale amid a year of sharp ownership reductions.
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