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


 
MHR INSTITUTIONAL ADVISORS LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHRC I LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHR INSTITUTIONAL PARTNERS IIA LP
 
Signature:By: MHR Institutional Advisors II LLC, its general partner, By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHR INSTITUTIONAL ADVISORS II LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHRC II LLC
 
Signature:By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHR INSTITUTIONAL PARTNERS III LP
 
Signature:By: MHR Institutional Advisors III LLC, its general partner, /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 SAT SUBHOLDCO B
 
Signature:By: MHR Sun GP LLC, its General Partner, By: /s/ Janet Yeung
Name/Title:Janet Yeung, Authorized Signatory
Date:07/09/2026
 
MHR SAT HOLDCO B
 
Signature:By: MHR Sun GP LLC, its General Partner, 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: Mark H. Rachesky, its Trustee, By: /s/ Mark H. Rachesky
Name/Title:Mark H. Rachesky
Date:07/09/2026
 
MHR SUN 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 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