CANADA PENSION PLAN INVESTMENT BOARD - 12 Sep 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
Issuer symbol
WAY
Transactions as of
12 Sep 2025
Net transactions value
-$232,859,289
Form type
4
Filing time
16 Sep 2025, 16:13:08 UTC
Previous filing
08 Jul 2025
Next filing
19 Nov 2025

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 16 Sep 2025 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 16 Sep 2025 0001978825

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAY Common Stock Sale $232,859,289 -5,938,773 -24% $39.21 19,025,452 12 Sep 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).