TRexBio, Retension raise $161.7M in IPOs; City, Iambic set proposed offering terms
TRexBio raised $116.7 million in its Nasdaq IPO, selling 8.3 million shares at $14 to fund TRB-061, a fusion protein in early-stage development for atopic dermatitis with a Phase 1b topline readout expected mid-2027. Retension Pharmaceuticals raised $45 million at $12 per share to advance RTN-001, a PDE-5 blocker for hypertension, through Phase 2b and into Phase 3. City Therapeutics expects about $158.3 million and Iambic Therapeutics about $135 million from upcoming offerings.
Why it matters: Four biotech IPOs in one week signal a reopening of the public markets for drug developers.