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Filing Details

Accession Number:: 0000950170-25-075513
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2025-05-20 20:55:01
Reporting Period:: 2025-05-16

Filing Date:: 2025-05-20
Accepted Time:: 2025-05-20 20:55:01
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1990354	Waystar Holding Corp.	WAY	()	DE

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1040508	Bain Capital Investors Llc	200 Clarendon Street Boston MA 02116	No	No	No	No
1568889	Bain Capital Fund Xi, L.p.	200 Clarendon Street Boston MA 02116	No	No	No	No
1851748	Bain Capital Partners Xi, L.p.	200 Clarendon Street Boston MA 02116	No	No	No	No
2025234	Bcpe Derby Gp, Llc	200 Clarendon Street Boston MA 02116	No	No	No	No
2025342	Bcpe Derby Investor, Lp	200 Clarendon Street Boston MA 02116	No	No	No	No
2048242	Bcpe Derby (De) Spv (Gp), Llc	200 Clarendon Street Boston MA 02116	No	No	No	No
2048434	Bcpe Derby (De) Spv, Lp	C/O Bain Capital Private Equity, Lp 200 Clarendon Street Boston MA 02116	No	No	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, Par Value $0.01 Per Share	Disposition	2025-05-16	3,012,253	$37.39	18,742,283	No	4	S	Indirect	See Footnote
Common Stock, Par Value $0.01 Per Share	Disposition	2025-05-16	235,397	$0.00	18,506,886	No	4	J	Indirect	See Footnote
Common Stock, Par Value $0.01 Per Share	Disposition	2025-05-20	451,837	$37.39	18,055,049	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	J	Indirect	See Footnote
No	4	S	Indirect	See Footnote

Footnotes

Bain Capital Investors, LLC ("BCI") is the manager of Bain Capital Partners XI, L.P. ("Partners XI"), which is the general partner of Bain Capital Fund XI, L.P. ("Fund XI"). Fund XI is the (i) sole member of BCPE Derby GP, LLC ("Derby GP"), which is the general partner of BCPE Derby Investor, LP ("Derby Investor") and (ii) sole member of BCPE Derby (DE) SPV, LLC ("Derby SPV GP"), which is the general partner of BCPE Derby (DE) SPV, LP ("Derby SPV Investor" and, together with BCI, Partners XI, Fund XI, Derby GP, Derby Investor and Derby SPV GP, the "Bain Capital Entities").
(Continued from footnote 1) As a result, the Bain Capital Entities may be deemed to share voting and dispositive power with respect to the shares of the Issuer's common stock, par value $0.01 per share (the "Common Stock"), held by Derby Investor and Derby SPV Investor. The Bain Capital Entities disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein.
Pursuant to a registered public offering that closed on May 16, 2025, 233,925 shares of Common Stock were sold by Derby Investor and 2,778,328 shares of Common Stock were sold by Derby SPV Investor at a price of $37.3937 (net of underwriting discount).
On May 16, 2025, Derby Investor distributed 235,397 shares of Common Stock to one or more of its members or partners in connection with certain charitable gifts made by such members or partners or their direct or indirect owners.
In connection with the exercise of the underwriters' option to purchase additional shares of Common Stock in a registered public offering that closed on May 20, 2025, 65,295 shares of Common Stock were sold by Derby Investor and 386,542 shares of Common Stock were sold by Derby SPV Investor at a price of $37.3937 (net of underwriting discount).