ANDREW CALLOS plan to sell securities of CYTOKINETICS, INCORPORATED under Form 144

ANDREW CALLOS filed Form 144 to notify SEC of plan to sell 3639 units of CYTOKINETICS, INCORPORATED securities around 2026-03-31, with aggregate market value of $229,147.83. The total outstanding units is 123162807.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 03/18/2026, sold 1930 units for $119803.79; On 03/17/2026, sold 8542 units for $530885.30; On 03/16/2026, sold 1709 units for $104300.27; On 03/09/2026, sold 2582 units for $156779.04; On 03/05/2026, sold 15000 units for $928062.00; On 03/05/2026, sold 11000 units for $680639.30; On 03/02/2026, sold 886 units for $54595.32; On 02/05/2026, sold 15000 units for $928927.50; On 02/02/2026, sold 886 units for $55020.60; On 01/05/2026, sold 15000 units for $904165.50; On 01/02/2026, sold 885 units for $55896.60; On 01/02/2026, sold 913 units for $56689.45;