If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
Row 13. Calculated assuming 107,485,807 shares of Class A Common Stock ("Class A Shares") outstanding, based upon 98,580,674 Class A Shares outstanding as of July 29, 2025 as reported on the Issuer's Quarterly Report on Form 10-Q filed on August 6, 2025 (the "10-Q"), as increased by 8,905,133 shares of Class B Common Stock, which are convertible into Class A Shares on a one-to-one basis ("Class B Shares"), held by the Reporting Persons following the September 2025 Distribution, as defined below.


SCHEDULE 13D




Comment for Type of Reporting Person:
Row 13. Calculated assuming 107,485,807 Class A Shares outstanding, based upon 98,580,674 Class A Shares outstanding as of July 29, 2025 as reported on the 10-Q, as increased by 8,905,133 Class B Shares held by the Reporting Persons following the September 2025 Distribution, as defined below.


SCHEDULE 13D




Comment for Type of Reporting Person:
Row 13. Calculated assuming 107,485,807 Class A Shares outstanding, based upon 98,580,674 Class A Shares outstanding as of July 29, 2025 as reported on the 10-Q, as increased by 8,905,133 Class B Shares held by the Reporting Persons following the September 2025 Distribution, as defined below.


SCHEDULE 13D




Comment for Type of Reporting Person:
Row 13. Calculated assuming 107,485,807 Class A Shares outstanding, based upon 98,580,674 Class A Shares outstanding as of July 29, 2025 as reported on the 10-Q, as increased by 8,905,133 Class B Shares held by the Reporting Persons following the September 2025 Distribution, as defined below.


SCHEDULE 13D




Comment for Type of Reporting Person:
Row 13. Calculated assuming 107,485,807 Class A Shares outstanding, based upon 98,580,674 Class A Shares outstanding as of July 29, 2025 as reported on the 10-Q, as increased by 8,905,133 Class B Shares held by the Reporting Persons following the September 2025 Distribution, as defined below.


SCHEDULE 13D


 
Spectrum Equity VII, L.P.
 
Signature:/s/ Carolina A. Picazo
Name/Title:Carolina A. Picazo, CAO & CCO of SEA VII Management, LLC, the general partner of Spectrum Equity Associates VII, L.P., as general partner of Spectrum
Date:09/08/2025
 
Spectrum Equity Associates VII, L.P.
 
Signature:/s/ Carolina A. Picazo
Name/Title:Carolina A. Picazo, CAO & CCO of SEA VII Management, LLC, as general partner of Spectrum Equity Associates VII, L.P.
Date:09/08/2025
 
Spectrum VII Investment Managers' Fund, L.P.
 
Signature:/s/ Carolina A. Picazo
Name/Title:Carolina A. Picazo, CAO & CCO of SEA VII Management, LLC, as general partner of Spectrum VII Investment Managers' Fund, L.P.
Date:09/08/2025
 
Spectrum VII Co-Investment Fund, L.P.
 
Signature:/s/ Carolina A. Picazo
Name/Title:Carolina A. Picazo, CAO & CCO of SEA VII Management, LLC, as general partner of Spectrum VII Co-Investment Fund, L.P
Date:09/08/2025
 
SEA VII Management, LLC
 
Signature:/s/ Carolina A. Picazo
Name/Title:Carolina A. Picazo, Chief Administrative Officer & Chief Compliance Officer
Date:09/08/2025