Insider Transactions Reported by 26 Insiders of Waystar Holding Corp.

Symbol: WAY on Nasdaq
Location: Lehi, UT

Insiders trading volume in the past year

	Insiders	Shares	%	Avg Price	Total $
Buys	1	+7,200	0.02%	$26.25	+$188,986
Sells	10	-41,281,654	100%	$38.39	-$1,584,727,799
Net	-9	-41,274,454	-100%		-$1,584,538,814

Waystar Holding Corp. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Report Date
Derby LuxCo S.a r.l.	10%+ Owner	$975,522,724	-$535,707,911	-35%	12 Sep 2025
BCPE Derby (DE) SPV, LP	10%+ Owner	$818,882,581			12 Dec 2024
CANADA PENSION PLAN INVESTMENT BOARD	10%+ Owner	$745,987,972	-$409,658,984	-35%	12 Sep 2025
Paul Moskowitz	Director, 10%+ Owner	$472,661,906	-$297,934,725	-39%	12 Sep 2025
BAIN CAPITAL INVESTORS LLC	10%+ Owner	$472,661,906	-$297,934,725	-39%	12 Sep 2025
Matthew J. Hawkins	Chief Executive Officer, Director	$97,707,237	-$25,229,477	-21%	15 Oct 2025
William Chan	Chief Product & AI Officer	$56,824,075			01 Oct 2025
Craig Bridge T.	Chief Transformation Officer	$23,370,251	-$7,207,268	-24%	21 Jul 2025
Steven M. Oreskovich	Chief Financial Officer	$14,355,077	-$1,959,681	-12%	11 Jun 2025
III Eric L. (Ric) Sinclair	Chief Business Officer	$14,284,048	-$5,596,299	-28%	20 Jan 2026
Christopher L. Schremser	Chief Technology Officer	$12,844,302	-$2,866,667	-18%	10 Dec 2025
Melissa F. (Missy) Miller	Chief Marketing Officer	$7,150,657	-$632,063	-8.1%	25 Nov 2025
Gregory R Packer	Chief Legal officer	$4,680,636			18 Aug 2025
Kimberly S. Wittman	Chief People Officer	$4,542,111			06 Jun 2025
JOHN PATRICK DRISCOLL	Director	$3,674,750			16 Jun 2025
Robert DeMichiei	Director	$1,493,919			16 Jun 2025
HEIDI MILLER	Director	$957,205	+$188,986	+25%	02 Mar 2026
Vivian E. Riefberg	Director	$559,936			16 Jun 2025
Priscilla Hung	Director	$559,936			16 Jun 2025
Matthew R. A. Heiman	Title: Chief Legal & Administrative Officer. Exhibit 24 - Power of Attorney.	$359,998			07 Jun 2024
Michael F. Roman	Director	$207,875			16 Jun 2025
Aashima Gupta	Director	$207,875			16 Jun 2025
Lauren Young	Director				01 Oct 2025
Ethan Waxman	Director				07 Jun 2024
Samuel Blaichman	Director				07 Jun 2024
Eric C. Liu	Director				07 Jun 2024

Recent Insider Transactions by Companies or Individuals for Waystar Holding Corp.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.