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Form SCHEDULE 13D/A Telesat Corp Filed by: MHR FUND MANAGEMENT LLC

July 9, 2026 7:30 AM





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






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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

EX-99.1

EX-99.2

EX-99.3

EX-99.4

Categories

SEC Filings