Signify Bio is a Dallas, TX–based biotechnology company focused on improving development of in situ protein therapeutics by harnessing the human body’s natural protein-production capabilities. It combines signal peptide‑engineered control with mRNA‑encoded design to enable precise and rapid development of personalized medicines. The company’s SEND platform and iPhos lipid nanoparticles are designed to enable targeted, localized delivery of therapeutic proteins across multiple disease areas. Signify positions its approach to address unmet needs by delivering protein therapeutics directly where needed. Its management team includes co‑founders and senior scientists from UT Southwestern and industry veterans from Pfizer, Intellia and other organizations. The company intends to use the funds from the financing to expand operations and accelerate R&D efforts.

Total raised

$15M

Funding rounds

1

Latest round

Equity

Latest activity

Jun 2025