WAY Form 3 shows 1,498,541 shares and 156,944 RSUs granted

Rhea-AI Filing Summary

Waystar Holding Corp. filed a Form 3 reporting the initial beneficial ownership of its Chief Product & AI Officer as of 10/01/2025.

The reporting person beneficially owns 1,498,541 shares of common stock. The filing notes a grant of 156,944 RSUs that vest over four years, with 25% vesting each year beginning October 2, 2026. Each RSU represents a right to receive one share of common stock upon settlement.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Chan William

(Last) (First) (Middle)

1550 DIGITAL DRIVE #300

(Street)

LEHI UT 84043

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/01/2025

3. Issuer Name and Ticker or Trading Symbol
Waystar Holding Corp. [ WAY ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Product & AI Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,498,541(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects a grant of 156,944 RSUs granted to the reporting person, which vest over 4 years, with 25% vesting each year beginning October 2, 2026. Each RSU represents a contingent right to receive one share of common stock, $0.01 par value per share (the "Common Stock") upon settlement.

Remarks:

	/s/ Gregory R. Packer, as Attorney-in-Fact	10/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Waystar (WAY) disclose in this Form 3?

The company reported the initial beneficial ownership of its Chief Product & AI Officer, including common stock holdings and a restricted stock unit grant.

How many Waystar (WAY) shares are beneficially owned?

The reporting person beneficially owns 1,498,541 shares of common stock.

What RSUs are included in the Waystar (WAY) filing?

A grant of 156,944 RSUs was reported. Each RSU is a contingent right to receive one share of common stock upon settlement.

What is the vesting schedule for the 156,944 RSUs at Waystar (WAY)?

The RSUs vest over four years, with 25% vesting each year beginning October 2, 2026.

What role does the reporting person hold at Waystar (WAY)?

Chief Product & AI Officer.

What is the Form 3 event date for Waystar (WAY)?

10/01/2025.