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






SCHEDULE 13D






SCHEDULE 13D




Comment for Type of Reporting Person:
The amounts listed above do not include (A) 7,035,969 Common Shares held by the Liberty Global Parties, of which the reporting persons may be deemed to have beneficial ownership as a result of the Liberty Global Voting Agreement or (B) 37,548,125 Common Shares held by the Liberty Entities, of which the reporting persons may be deemed to have beneficial ownership as a result of the Liberty77 Voting Agreement. See Item 5 and Item 6 of this Schedule 13D.


SCHEDULE 13D


 
MHR INSTITUTIONAL PARTNERS III LP
 
Signature:By: MHR Institutional Advisors III LLC, its General Partner, By: /s/ Janet Yeung
Name/Title:Janet Yeung/Authorized Signatory
Date:07/09/2026
 
MHR INSTITUTIONAL ADVISORS III LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung/Authorized Signatory
Date:07/09/2026
 
MHR SUN GP LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung/Authorized Signatory
Date:07/09/2026
 
The Rachesky Revocable Trust
 
Signature:By: /s/ Mark H. Rachesky
Name/Title:Mark H. Rachesky/Trustee
Date:07/09/2026
 
MHR FUND MANAGEMENT LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung/Authorized Signatory
Date:07/09/2026
 
MHR HOLDINGS LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung/Authorized Signatory
Date:07/09/2026
 
Mark H. Rachesky, M.D.
 
Signature:By: /s/ Janet Yeung
Name/Title:Attorney in Fact
Date:07/09/2026

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-99.1

EX-99.2

EX-99.3

EX-99.4