Gossamer Bio exchange offer closes with $18.9M in notes remaining

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Gossamer Bio, Inc. Announces Final Tender Results for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes

June 17, 2026 8:00 AM EDT

SAN DIEGO--(BUSINESS WIRE)-- Gossamer Bio, Inc. (NASDAQ: GOSS) (the Company or Gossamer), 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 the final tender results of its previously announced 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... More