0001104659-24-069697.txt : 20240607 0001104659-24-069697.hdr.sgml : 20240607 20240607163600 ACCESSION NUMBER: 0001104659-24-069697 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20240607 FILED AS OF DATE: 20240607 DATE AS OF CHANGE: 20240607 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: DeMichiei Robert CENTRAL INDEX KEY: 0001928634 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-42125 FILM NUMBER: 241030157 MAIL ADDRESS: STREET 1: 726 BELL AVE., SUITE 301, PO BOX 457 CITY: CARNEGIE STATE: PA ZIP: 15106 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Waystar Holding Corp. CENTRAL INDEX KEY: 0001990354 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373] ORGANIZATION NAME: 06 Technology IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1550 DIGITAL DRIVE, #300 CITY: LEHI STATE: UT ZIP: 84043 BUSINESS PHONE: 844-492-9782 MAIL ADDRESS: STREET 1: 1550 DIGITAL DRIVE, #300 CITY: LEHI STATE: UT ZIP: 84043 3 1 tm2416381-11_3seq1.xml OWNERSHIP DOCUMENT X0206 3 2024-06-07 0 0001990354 Waystar Holding Corp. WAY 0001928634 DeMichiei Robert 1550 DIGITAL DRIVE, #300 LEHI UT 84043 1 0 0 0 Common Stock 23067 D Stock Options (right to buy) 16.53 2029-12-17 Common Stock 80050 D Options granted on December 17, 2019 which vest in five substantially equal annual installments commencing on October 22, 2020. Exhibit 24 - Power of Attorney. /s/ Matthew R. A. Heiman, as Attorney-in-Fact 2024-06-07 EX-24 2 tm2416381d11_ex24.htm EXHIBIT 24

Exhibit 24

Power of Attorney

Know all by these presents that the undersigned, does hereby make, constitute and appoint each of MATTHEW R. A. HEIMAN and STEVEN M. ORESKOVICH, or any one of them, as a true and lawful attorney-in-fact of the undersigned with full powers of substitution and revocation, for and in the name, place and stead of the undersigned (in the undersigned’s individual capacity), to execute and deliver such forms that the undersigned may be required to file with the U.S. Securities and Exchange Commission as a result of the undersigned’s ownership of or transactions in securities of WAYSTAR HOLDING CORP. (i) pursuant to Section 16(a) of the Securities Exchange Act of 1934, as amended, including without limitation, statements on Form 3, Form 4 and Form 5 (including any amendments thereto) and (ii) in connection with any applications for EDGAR access codes, including without limitation the Form ID. The Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with regard to his or her ownership of or transactions in securities of WAYSTAR HOLDING CORP., unless earlier revoked in writing. The undersigned acknowledges that MATTHEW R. A. HEIMAN and STEVEN M. ORESKOVICH are not assuming any of the undersigned’s responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, as amended.

	By:	/s/ Robert DeMichiei
	Name:	Robert DeMichiei

Date: May 20, 2024