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.

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).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D




Comment for Type of Reporting Person:
Based on 66,806,610 Class A Common Shares outstanding as of April 15, 2026, reported by the Issuer in Exhibit 99.1 to its Report on Form 6-K filed with the Securities and Exchange Commission on April 21, 2026.


SCHEDULE 13D


 
Spark Capital II, L.P.
 
Signature:/s/ Alexa Lyons
Name/Title:Alexa Lyons, Authorized Signatory
Date:09/04/2026
 
Spark Capital Founders' Fund II, L.P.
 
Signature:/s/ Alexa Lyons
Name/Title:Alexa Lyons, Authorized Signatory
Date:09/04/2026
 
Spark Management Partners II, LLC
 
Signature:/s/ Alexa Lyons
Name/Title:Alexa Lyons, Authorized Signatory
Date:09/04/2026
 
Spark Capital Partners, LLC
 
Signature:/s/ Alexa Lyons
Name/Title:Alexa Lyons, Authorized Signatory
Date:09/04/2026
 
Santo Politi
 
Signature:/s/ Alexa Lyons
Name/Title:Attorney-in-Fact for Santo Politi
Date:09/04/2026
Comments accompanying signature:
Signed pursuant to a Power of Attorney already on file with the appropriate agencies.