Canada Pension Plan Investment Board - Sep 12, 2025 Form 4 Insider Report for Waystar Holding Corp. (WAY)

Role
10%+ Owner
Signature
CANADA PENSION PLAN INVESTMENT BOARD, By: /s/ Pierre Abinakle, Managing Director, Head of Compliance
Stock symbol
WAY
Transactions as of
Sep 12, 2025
Transactions value $
-$232,859,289
Form type
4
Date filed
9/16/2025, 04:13 PM
Previous filing
Jul 8, 2025
Next filing
Nov 19, 2025
SEC
View on sec.gov

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
CANADA PENSION PLAN INVESTMENT BOARD 10%+ Owner ONE QUEEN STREET EAST,, SUITE 2500, TORONTO ONTARIO, ONTARIO, CANADA CANADA PENSION PLAN INVESTMENT BOARD, By: /s/ Pierre Abinakle, Managing Director, Head of Compliance 2025-09-16 0001283718
CPP Investment Board Private Holdings (4) Inc. 10%+ Owner ONE QUEEN STREET EAST, STE 2500, TORONTO, ONTARIO, CANADA CPP INVESTMENT BOARD PRIVATE HOLDINGS (4) INC., By: /s/ Pierre Abinakle, Director 2025-09-16 0001978825

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAY Common Stock Sale -$233M -5.94M -23.79% $39.21 19M Sep 12, 2025 See footnote F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This amount represents the $39.21 sale price per share of Common Stock, par value $0.01 per share, in a secondary offering, which closed on September 12, 2025.
F2 The securities reported herein are held directly by CPP Investment Board Private Holdings (4) Inc. ("Holdings (4)"), a wholly-owned subsidiary of Canada Pension Plan Investment Board ("CPPIB"). CPPIB is an indirect beneficial owner of such securities directly held by Holdings (4).