Heidi Miller - 02 Mar 2026 Form 4 Insider Report for Waystar Holding Corp. (WAY)

Reporting relationship: Director
Issuer ticker: WAY
Reported as of: 02 Mar 2026
Net transaction value: +$188,986
SEC form: 4
Accepted by SEC: 03 Mar 2026, 16:12:16 UTC
Prior SEC filing: 16 Jun 2025
Next SEC filing: 03 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Gregory R. Packer, as Attorney-in-Fact

Key filing fact

Heidi Miller filed Form 4 for Waystar Holding Corp. (WAY) on 03 Mar 2026.

Key facts

This page summarizes Heidi Miller's Form 4 filing for Waystar Holding Corp. (WAY).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 16:12.

Change

Previous filing in this sequence was filed on 16 Jun 2025.
Current net transaction value: +$188,986.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001199930 Primary reporting owner

MILLER HEIDI

Relationship: Director
Address: 1550 DIGITAL DRIVE, #300, LEHI
Signature: /s/ Gregory R. Packer, as Attorney-in-Fact
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WAY transaction

Common Stock

Purchase

Transaction value: $188,986
Shares: +7,200
Change %
Price: $26.25
Shares after: 7,200
Date: 02 Mar 2026
Ownership: By Family Trusts
Footnotes: F1

WAY holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 31,614
Date: 02 Mar 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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 purchased in multiple transactions ranging from $26.247 to $26.248 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.

Footnote F2

Includes unvested RSUs.