Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-25-028174
Filing Date
2025-02-26
Accepted
2025-02-26 20:00:22
Documents
1
Period of Report
2025-02-24

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 14005
  Complete submission text file 0000950170-25-028174.txt   18940
Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 617-516-2000
BAIN CAPITAL INVESTORS LLC (Reporting) CIK: 0001040508 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672284

Mailing Address JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116
Business Address JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON MA 02116 6175162000
Bain Capital Fund XI, L.P. (Reporting) CIK: 0001568889 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672281

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162000
Bain Capital Partners XI, L.P. (Reporting) CIK: 0001851748 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672280

Mailing Address 1550 DIGITAL DRIVE, #300 LEHI UT 84043
Business Address 1550 DIGITAL DRIVE, #300 LEHI UT 84043 844-492-9782
Waystar Holding Corp. (Issuer) CIK: 0001990354 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7373 Services-Computer Integrated Systems Design
(CF Office: 06 Technology)

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162000
BCPE Derby GP, LLC (Reporting) CIK: 0002025234 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672282

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162000
BCPE Derby Investor, LP (Reporting) CIK: 0002025342 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672283

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162000
BCPE Derby (DE) SPV (GP), LLC (Reporting) CIK: 0002048242 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672278

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162000
BCPE Derby (DE) SPV, LP (Reporting) CIK: 0002048434 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42125 | Film No.: 25672279