Additional Proxy Soliciting Materials (Form DEFA14A)

Waystar Holding Corp. published this content on April 17, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on April 17, 2026 at 20:33 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]