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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1990354	Waystar Holding Corp.	WAY	Services-Computer Integrated Systems Design (7373)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1998251	(Missy) F. Melissa Miller	1550 Digital Drive, #300 Lehi UT 84043	Chief Marketing Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2025-05-15	3,300	$39.16	198,656	No	4	S	Direct
Common Stock	Disposition	2025-05-15	100	$40.06	198,556	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct

Footnotes

These transactions occurred automatically pursuant to a plan adopted by the Reporting Person on November 20, 2024 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
The price reported in Column 4 is a weighted average price. These shares of common stock, par value $0.01 per share ("Common Stock") of Waystar Holding Corp. (the "Issuer") were sold in multiple transactions ranging from $38.89 to $39.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price in the range set forth in this footnote.
Includes unvested RSUs.