IONS IONIS PHARMACEUTICALS INC Investments/Divestments 8-K Filing 2023 - Private Offering of Convertible Senior Notes Ionis Pharmaceuticals completed a private offering of $575.0 million aggregate principal amount of 1.75% Convertible Senior Notes due 2028, with net proceeds of approximately $560.8 million. They used a portion of the proceeds to repurchase $434.1 million in aggregate principal amount of their 2024 Notes.Get access to all SEC 8-K filings of the IONIS PHARMACEUTICALS INC