Ionis prices $700 million convertible notes to refinance 2026 debt

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Ionis Prices Convertible Notes Offering to Refinance 2026 Convertible Notes

November 13, 2025 12:40 AM EST

- Refinancing transaction with proceeds to be utilized to repurchase or repay the 2026 Convertible Notes prior to or at maturity

CARLSBAD, Calif.--(BUSINESS WIRE)-- Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) announced today the pricing of $700.0 million aggregate principal amount of 0.00% Convertible Senior Notes due 2030 (the notes) in a private placement (the offering) to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the Securities Act). Ionis also granted the initial purchasers of the notes an option to purchase, within the 13-day period beginning on, and including,... More