Form 4 Filing for Callos Andrew - EVP, Chief Commercial Officer of CYTOKINETICS INC

This filing details a transaction by Callos Andrew, EVP, Chief Commercial Officer of CYTOKINETICS INC. On April 15, 2026, Mr. Andrew disposed of 7,449 shares of Common Stock. The transaction was executed at a price of $66.02 per share. Following this transaction, Mr. Andrew directly owns 58,555 shares of CYTOKINETICS INC Common Stock. The filing was signed by John O. Faurescu, attorney-in-fact for Mr. Callos.