Waystar corrects director’s stock grant to 10,446 units

A director’s award vests on the earlier of June 1, 2027, or the first regularly scheduled annual stockholder meeting after the grant.

Available on EDGAR 09/25/2026 - 12:38 PM EDT Accepted by SEC EDGAR 09/25/2026 - 12:37 PM EDT Learn about SEC filing dates

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

Waystar Holding Corp. (symbol: WAY) is the issuer of record for a Form 4/A filing submitted to the SEC. Hung Priscilla reported acquisition or exercise transactions in this Form 4 filing.

Waystar Holding Corp. director Priscilla Hung received a grant of 10,446 restricted stock units on June 3, 2026, correcting an earlier reported amount of 9,303. Her reported direct position after the grant was 24,275 shares, including unvested RSUs. Each RSU is a contingent right to receive one share of common stock upon settlement.

Insider Trade Summary

Grant/Award: 10,446 shares

Grant/Award 1 txn

Insider Hung Priscilla

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	10,446	$0.00	$0.00

Holdings After Transaction: Common Stock — 24,275 shares (Direct)

Footnotes (2)

1. F1. Reflects a grant of restricted stock units ("RSUs") which vest on the earlier of (i) June 1, 2027 and (ii) the first regularly scheduled annual meeting of the stockholders following the grant date. Each RSU represents a contingent right to receive one share of Common Stock upon settlement. This amended Form 4 is being filed solely to correct the number of RSUs granted from 9,303 to 10,446.
2. F2. Includes unvested RSUs.

Key Figures

Restricted stock units granted: 10,446 RSUs Previously reported RSU count: 9,303 RSUs Reported direct position: 24,275 shares +1 more

4 metrics

Restricted stock units granted 10,446 RSUs Granted June 3, 2026; amended count

Previously reported RSU count 9,303 RSUs Corrected by the amended report

Reported direct position 24,275 shares After the grant; includes unvested RSUs

RSU settlement entitlement 1 common share per RSU Contingent right upon settlement

Key Terms

restricted stock units (RSUs), vest, settlement

3 terms

restricted stock units (RSUs) financial

"grant of restricted stock units ("RSUs")"

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

vest financial

"RSUs which vest on the earlier of"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

settlement financial

"upon settlement"

Settlement is the process of completing a financial transaction, like buying or selling a stock, by transferring money and ownership between parties. It ensures that both the buyer gets the asset and the seller gets paid, making the deal official. Without settlement, the transaction wouldn't be finalized or legally recognized.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

When do WAY director Priscilla Hung’s RSUs vest?

The RSUs vest on the earlier of June 1, 2027, and the first regularly scheduled annual meeting of stockholders following the June 3, 2026 grant date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hung Priscilla

(Last) (First) (Middle)

1550 DIGITAL DRIVE, #300

(Street)

LEHI UTAH 84043

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

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

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

4. If Amendment, Date of Original Filed (Month/Day/Year)
06/03/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/03/2026		A		10,446(1)	A	$0	24,275(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects a grant of restricted stock units ("RSUs") which vest on the earlier of (i) June 1, 2027 and (ii) the first regularly scheduled annual meeting of the stockholders following the grant date. Each RSU represents a contingent right to receive one share of Common Stock upon settlement. This amended Form 4 is being filed solely to correct the number of RSUs granted from 9,303 to 10,446.

2. Includes unvested RSUs.

Remarks:

	/s/ Gregory R. Packer, as Attorney-in-Fact	09/25/2026
	** 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 4 (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.
* Form 4: SEC 1474 (03-26)