Canada Pension Plan Investment Board Sells Shares in Waystar Holding Corp.

On September 12, 2025, Canada Pension Plan Investment Board (CPPIB) and its subsidiary, CPP Investment Board Private Holdings (4) Inc., sold 5,938,773 shares of Waystar Holding Corp. common stock at $39.21 per share. This transaction was part of a secondary offering. Following the sale, CPPIB and its subsidiary still hold 19,025,452 shares of Waystar Holding Corp. The securities are held directly by CPP Investment Board Private Holdings (4) Inc., with CPPIB being an indirect beneficial owner. The filing was signed by Pierre Abinakle, Managing Director, Head of Compliance for CPPIB, and Director for CPP Investment Board Private Holdings (4) Inc.