SCHEDULE 13D/A

Telesat Corporation

Class A common and Class B variable voting shares, no par value per share · CUSIP: 879512309

Event date: 2025-05-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• GAMCO INVESTORS, INC. ET ALReported CIK 0000807249

  Shares: 1,200.00 · Class: 0.0%

• GABELLI FUNDS LLCReported CIK 0001081407

  Shares: 729,329.00 · Class: 5.0%

• GAMCO Asset Management Inc.Reported CIK 0001460612

  Shares: 1,802,244.00 · Class: 12.3%

• GABELLI & Co INVESTMENT ADVISERS, INC.Reported CIK 0000932724

  Shares: 74,061.00 · Class: 0.5%

• GABELLI FOUNDATION, INC.

  Shares: 57,500.00 · Class: 0.4%

• MJG ASSOCIATES, INC.

  Shares: 14,300.00 · Class: 0.1%

• GGCP, INC.Reported CIK 0001238894

  Shares: 10,000.00 · Class: 0.1%

• Associated Capital Group, Inc.Reported CIK 0001642122

  Shares: 9,900.00 · Class: 0.1%

• GABELLI MARIO JReported CIK 0001185533

  Shares: 0.00 · Class: 0.0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.