144 0001013631 XXXXXXXX LIVE 0001445305 Workiva Inc. 2900 University Blvd Ames IA 50010 888-275-3125 Matthew Rizai 10% Stockholder Common Merrill Lynch 7545 Ashworth Rd, Suite 100 West Des Moines IA 50266 20000 1220622 52549753 08/05/2026 NYSE Common 12/12/2014 Cash Issuer N 2077058 12/12/2014 Cash N Matthew Rizai 2900 University Blvd Ames IA 50010 Common 07/16/2026 30000 1697901 Matthew Rizai 2900 University Blvd Ames IA 50010 Common 07/01/2026 120000 6047292 Matthew Rizai 2900 University Blvd Ames IA 50010 Common 06/17/2026 20204 986589.61 08/05/2026 Matthew Rizai