Waystar Holding Corp. — Director's Dealing 2025

Mar 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Waystar Holding Corp. (WAY)
CIK: 0001990354
Period of Report: 2025-03-12

Reporting Person: Oreskovich Steven M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-12	Common Stock	M	16666	$4.14	Acquired	190308	Direct
2025-03-12	Common Stock	S	15966	$36.9969	Disposed	174342	Direct
2025-03-12	Common Stock	S	700	$38.0729	Disposed	173642	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-12	Stock Options (right to buy)	$4.14	M	16666	Disposed	2028-09-17	Common Stock (16666)	Direct

Footnotes

F1: These transactions occurred automatically pursuant to a plan adopted by the Reporting Person on September 6, 2024 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2: 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 $36.70 to $37.66, 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.

F3: The price reported in Column 4 is a weighted average price. These shares of Common Stock of Issuer were sold in multiple transactions ranging from $37.74 to $38.37, 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.

F4: These options are currently vested.