Cytokinetics Announces Pricing of Upsized $650.0 Million Convertible Senior Notes Offering; Refinances a Portion of 2027 Convertible Notes

SOUTH SAN FRANCISCO, Calif., Sept. 16, 2025 (GLOBE NEWSWIRE) -- Cytokinetics, Incorporated (“Cytokinetics”) (Nasdaq: CYTK) today announced the pricing of its offering of $650.0 million aggregate principal amount of 1.75% convertible senior notes due 2031 in a private placement (the “offering”) to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The aggregate principal amount of the offering was increased from the previously announced offering size of $550.0 million.