Nov 13, 2025 12:39 AM Eastern Standard Time Ionis Prices Convertible Notes Offering to Refinance 2026 Convertible Notes Share - 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 qu ...