SEC FORM 4 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
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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*
BAIN CAPITAL INVESTORS LLC

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Waystar Holding Corp. [ WAY ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
02/24/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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, par value $0.01 per share 02/24/2025 S(3) 5,652,689 D $38.6(3) 22,327,728 I See Footnote(1)(2)
Common Stock, par value $0.01 per share 02/24/2025 J(4) 573,192 D (4) 21,754,536 I See Footnote(1)(2)
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
1. Name and Address of Reporting Person*
BAIN CAPITAL INVESTORS LLC

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
BCPE Derby Investor, LP

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
BCPE Derby GP, LLC

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Bain Capital Fund XI, L.P.

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Bain Capital Partners XI, L.P.

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
BCPE Derby (DE) SPV, LP

(Last) (First) (Middle)
C/O BAIN CAPITAL PRIVATE EQUITY, LP
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
BCPE Derby (DE) SPV (GP), LLC

(Last) (First) (Middle)
200 CLARENDON STREET

(Street)
BOSTON MA 02116

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. 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").
2. (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 disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest therein.
3. Pursuant to a registered public offering that closed on February 24, 2025, 552,696 shares of Common Stock were sold by Derby Investor and 5,099,993 shares of Common Stock were sold by Derby SPV Investor at a price of $38.60 (net of underwriting discount).
4. On February 24, 2025, Derby Investor distributed 347,013 shares of Common Stock and Derby SPV Investor distributed 226,179 shares of Common Stock to one or more of their respective members or partners in connection with certain charitable gifts made by such members or partners or their direct or indirect owners.
Bain Capital Investors, LLC, By: /s/ [David Humphrey], Title: Authorized Signatory 02/26/2025
BCPE Derby Investor, LP, By: BCPE Derby GP, LLC, its general partner, By: Bain Capital Fund XI, L.P., its member, By: Bain Capital Partners XI, L.P., its general partner, By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Humphrey], 02/26/2025
BCPE Derby GP, LLC, By: Bain Capital Fund XI, L.P., its member, By: Bain Capital Partners XI, L.P., its general partner, By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Humphrey], Title: Authorized Signatory 02/26/2025
Bain Capital Fund XI, L.P., By: Bain Capital Partners XI, L.P., its general partner, By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Humphrey], Title: Authorized Signatory 02/26/2025
Bain Capital Partners XI, L.P., By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Humphrey], Title: Authorized Signatory 02/26/2025
BCPE Derby (DE) SPV, LP, By: BCPE Derby (DE) SPV (GP), LLC, its general partner, By: Bain Capital Fund XI, L.P., its member, By: Bain Capital Partners XI, L.P., its general partner, By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Hump 02/26/2025
BCPE Derby (DE) SPV (GP), LLC, By: Bain Capital Fund XI, L.P., its member, By: Bain Capital Partners XI, L.P., its general partner, By: Bain Capital Investors, LLC, its general partner, By: /s/ [David Humphrey], Title: Authorized Signatory 02/26/2025
** Signature of Reporting Person Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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