Waystar corrects director's stock award to 10,446

The RSUs vest on the earlier of June 1, 2027, or the first regularly scheduled annual meeting of stockholders after the grant date.

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. (WAY) director Robert DeMichiei acquired 10,446 restricted stock units on June 3, 2026; the amendment corrects the previously reported grant from 9,303 to 10,446 units. His reported direct holdings after the award were 47,342 shares, including unvested RSUs. Each RSU represents 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 DeMichiei Robert

Role Director

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

Holdings After Transaction: Common Stock — 47,342 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 units Previously reported grant: 9,303 units Direct holdings after award: 47,342 shares

3 metrics

Restricted stock units granted 10,446 units June 3, 2026 award

Previously reported grant 9,303 units Amount corrected by the amendment

Direct holdings after award 47,342 shares Includes unvested RSUs

Key Terms

restricted stock units, contingent right, settlement

3 terms

restricted stock units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each RSU represents a contingent right to receive one share"

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.

How many RSUs did WAY director Robert DeMichiei receive?

Robert DeMichiei's corrected award was 10,446 RSUs on June 3, 2026, replacing the previously reported 9,303 units. No Rule 10b5-1 plan is reported.

When do Robert DeMichiei's WAY RSUs vest?

The RSUs vest on the earlier of June 1, 2027, or the first regularly scheduled annual meeting of stockholders following the 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^*

DeMichiei Robert

(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	47,342(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)