• Gossamer Bio launched an exchange offer to swap its USD 200 million 5% Convertible Senior Notes due 2027 for a package of new secured convertible notes and equity, aiming to eliminate more than USD 120 million of debt.
• The offer includes up to USD 72 million of 7.5% Convertible Senior Secured First Lien Notes due 2030, up to 317,647,058 shares or prefunded warrants, with early tenders also receiving purchase warrants.
• Holders representing 75.2% of the 2027 notes signed a support agreement, conditional on reaching a 98% tender threshold.
• The company also launched a consent solicitation to strip most restrictive covenants and certain default provisions from the 2027 indenture.
• The exchange expires June 16, 2026, with a June 1, 2026 early tender and withdrawal deadline.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Gossamer Bio Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 20260518442485) on May 18, 2026, and is solely responsible for the information contained therein.