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Miller Melissa F. (Missy)'s Form 4/A amendment

Amended

Waystar Holding Corp. (WAY) · filed Aug 28, 2025

Accession no.
0001998251-25-000004
Filed
Aug 28, 2025
Trade date
May 15, 2025
Filing delay
105 days
Rule 10b5-1 plan
Checked
Original filed
May 16, 2025

This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $133.2K. It was filed 105 days after the trade.

This amendment replaces 0001104659-25-049882 (filed May 16, 2025).

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Miller Melissa F. (Missy)CIK 0001998251Officer (Chief Marketing Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
May 15, 2025Common StockMOption exerciseAcquired+3,400$18.19+$61,846205,356Direct
May 15, 2025Common StockSSaleDisposed−3,400$39.19F4−$133,246201,956Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
May 15, 2025Common StockMOption exerciseDisposed−3,400$0.00$035,550Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

This Form 4/A is being filed to correct the original Form 4 filed on May 15, 2025 ("Original Form 4"). The Original Form 4 inadvertently omitted the reporting of an option exercise that occurred on May 15, 2025, immediately prior to the sale of shares reported in that filing. The number of shares sold as reported in the Original Form 4 was correct; however, the ending total was incorrect due to the omission of the option exercise. This amendment adds the previously unreported option exercise transaction and restates the sell of shares reported in the Original Form 4 in a single combined row, consistent with other filings for the Reporting Owner. No other changes have been made to the Original Form 4.

F2

These transactions occurred automatically pursuant to a plan adopted by the Reporting Person on November 20, 2024 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F3

Includes unvested RSUs.

F4

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 sold in multiple transactions ranging from $38.89 to $40.06, 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.

Referenced by the price of 1 transaction in Table I.

F5

Options granted August 17, 2020 of which 50% of the option vests in five substantially equal annual installments commencing on August 17, 2021 and the remaining 50% of the option vests upon achievement of certain specified performance-based vesting criteria.

Read the full filing on SEC EDGAR (opens in a new tab)