Gossamer Bio launches debt exchange offer to eliminate $120 million

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Gossamer Bio, Inc. Launches Exchange Offer and Consent Solicitation Intended to Eliminate Over $120 Million of Debt with Existing Noteholder Support

May 18, 2026 7:05 AM EDT

SAN DIEGO--(BUSINESS WIRE)-- Gossamer Bio, Inc. (NASDAQ: GOSS) (the Company), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that it has commenced an exchange offer (the Exchange Offer) to exchange any and all of its 5.00% Convertible Senior Notes due 2027 (the Existing Convertible Notes) for a pro rata portion of (i) up to $72.0 million in aggregate principal amount of its new 7.50% Convertible Senior Secured First Lien Notes due 2030 (the New Convertible Notes), (ii) up to... More