Derby LuxCo S.a r.l. - May 16, 2025 Form 4 Insider Report for Waystar Holding Corp. (WAY)

Role
10%+ Owner
Signature
Derby LuxCo S.a r.l., By: /s/ Sanjay Fullee, Name: Sanjay Fullee, Title: Manager and /s/ Tinatin Gogoladze, Name: Tinatin Gogoladze, Title: Manager
Stock symbol
WAY
Transactions as of
May 16, 2025
Transactions value $
-$231,199,601
Form type
4
Date filed
5/20/2025, 04:30 PM
Previous filing
Feb 26, 2025
Next filing
Sep 16, 2025

Reporting Owners (2)

Name Relationship Address Signature Signature date CIK
Derby LuxCo S.a r.l. 10%+ Owner 51A, BOULEVARD ROYAL, LUXEMBOURG, GRAND DUCHY OF LUXEMBOURG, LUXEMBOURG Derby LuxCo S.a r.l., By: /s/ Sanjay Fullee, Name: Sanjay Fullee, Title: Manager and /s/ Tinatin Gogoladze, Name: Tinatin Gogoladze, Title: Manager 2025-05-20 0001998443
EQT Fund Management S.a r.l. 10%+ Owner 51A, BOULEVARD ROYAL, LUXEMBOURG, GRAND DUCHY OF LUXEMBOURG, LUXEMBOURG EQT Fund Management S.a r.l., By: /s/ Sara Huda, Name: Sara Huda, Title: Manager and /s/ Luca Luigi Baggio, Name: Luca Luigi Baggio, Title: Authorized Signatory 2025-05-20 0001834239

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAY Common Stock Sale -$201M -5.38M -13.85% $37.39 33.5M May 16, 2025 Held directly by Derby LuxCo F1, F2
transaction WAY Common Stock Sale -$30.2M -806K -2.41% $37.39 32.6M May 20, 2025 Held directly by Derby LuxCo F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This amount represents the $37.3937 sale price per share of Common Stock, par value $0.01 per share, in a secondary offering, which closed on May 16, 2025.
F2 Consists of shares of common stock held directly by Derby LuxCo S.a r.l. ("Derby LuxCo"). Several investment vehicles collectively make up the fund known as "EQT VIII." EQT VIII owns 100% of the membership interests in Derby LuxCo. EQT Fund Management S.a r.l. ("EFMS") has exclusive responsibility for the management and control of the business and affairs of investment vehicles which constitute the majority of the total commitments to EQT VIII. EFMS is overseen by a board of not less than three individuals that acts by majority approval.
F3 This amount represents the $37.3937 sale price per share of Common Stock, par value $0.01 per share, in connection with the underwriters' exercise of their over-allotment option relating to the secondary offering, which closed on May 20, 2025.

Remarks:

This filing shall not be deemed an admission that the Reporting Persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Exchange Act or otherwise, and each Reporting Person disclaims beneficial ownership of these securities, except to the extent of such Reporting Person's pecuniary interest therein, if any.