Welcome to our dedicated page for TELESAT SEC filings (Ticker: TSAT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Telesat Corporation filings document foreign private issuer disclosures for a satellite operator with GEO services and the Telesat Lightspeed LEO network program. Its Form 6-K reports furnish quarterly reports, IFRS financial statements, management discussion and analysis, market-risk disclosures, internal-control items, legal proceedings, risk factors, equity-securities disclosures and defaults-upon-senior-securities items.
Regulatory exhibits also cover annual meeting materials, board elections, auditor appointments and voting mechanics for Class A Common Shares, Class B Variable Voting Shares, Class C shares, special voting shares, the Golden Share and Telesat Partnership LP units. Other filings document customer and program announcements, military Ka-band disclosures, legacy GEO debt matters, creditor litigation and governance certifications.
Telesat Corporation is updating its Telesat Lightspeed low Earth orbit satellite network to add 500 MHz of military Ka-band (Mil-Ka) spectrum to the initial 156 satellites. This change targets fast-growing demand from allied defence users for secure, resilient, low-latency communications.
The Mil-Ka spectrum is immediately adjacent to Lightspeed’s commercial Ka-band, so it can be integrated without affecting the deployment schedule and with only a modest increase in program cost. The Mil-Ka capacity will replace an equivalent amount of commercial Ka-band on the user link, leaving gateway links unchanged.
Telesat expects this enhancement to materially increase the global supply of Mil-Ka capacity and to offer performance that compares favorably with traditional geostationary Mil-Ka systems. The first two Lightspeed production satellites are scheduled to launch in December 2026, followed by a high launch cadence through 2027, supporting global, interoperable services for coalition defence and sovereignty missions.
Telesat Corporation reported sharply weaker 2025 results as it ramps investment in its Lightspeed LEO constellation. Full-year revenue was $417.956M, down 27% from 2024, while Adjusted EBITDA fell 45% to $212.677M, reflecting pressure in enterprise and broadcast GEO services.
The company posted a net loss of $530.217M versus a $302.466M loss a year earlier, driven by lower revenue, higher non-cash impairments in the GEO segment, lower gains on debt repurchases, and higher charges tied to Telesat LEO warrants, partly offset by foreign-exchange gains.
Telesat spent $708M on capital expenditures, almost entirely on Lightspeed, with LEO capital and operating spending of $777M funded mainly by $689.789M of new debt under its $2.5B Lightspeed facility, leaving $1.85B available. GEO backlog was about $800M and LEO backlog about $1.0B at year-end, while management emphasized plans to refinance Telesat Canada debt maturing late 2026.
Heard Capital LLC and William Heard report beneficial ownership of 1,227,343 Class B Variable Voting Shares of Telesat Corp, representing 8.37% of the class. The shares are held through Heard High Conviction Long Only Fund LLC and separate managed accounts for which Heard Capital acts as investment manager.
Heard Capital has shared voting and dispositive power over all 1,227,343 shares, with no sole voting or dispositive authority reported for either reporting person. The ownership percentage is based on 14,685,375 total Class A common shares and Class B variable voting shares outstanding as of September 30, 2025, as disclosed by Telesat.
The reporting persons state that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Telesat Corp, other than activities solely in connection with a nomination under Rule 14a-11.
Telesat Corporation has filed a report noting new creditor litigation related to its Telesat Lightspeed business. The company states that certain creditors holding portions of its legacy GEO (Geostationary Earth Orbit) debt have brought lawsuits in New York and Ontario, challenging the equity distribution of the Telesat Lightspeed business completed in September 2025.
Telesat characterizes these lawsuits, which were filed at the direction of a group of distressed debt hedge funds, as without merit. It says the equity distribution followed a robust governance process and complied with relevant debt agreements and applicable law, and it intends to defend itself vigorously. The company emphasizes that it and its stakeholders remain committed to supporting customers, advancing the Telesat Lightspeed program, and creating long-term value.
Telesat Corporation's S-8 registration references its Annual Report on Form 20-F for the fiscal year ended December 31, 2024 (filed March 27, 2025) and incorporates all Exchange Act reports filed since that date. The filing incorporates the description of Class A and Class B shares from a Form F-4 registration and several exhibits, including an Amended and Restated Limited Partnership Agreement dated November 17, 2021, the Employee Share Purchase Plan, Deloitte LLP's consent, a power of attorney and a filing fee table. The registrant undertakes to file post-effective amendments to update the prospectus for material changes, allows limited 20% adjustments to offering size/price without a post-effective amendment, and notes the Commission view that contractual indemnification for Securities Act liabilities is unenforceable.
Telesat Corporation filed a Form 6-K as a foreign private issuer, mainly to furnish a news release dated August 27, 2025. The release, titled “Donald Tremblay Joins Telesat as Chief Financial Officer,” announces that Donald Tremblay has joined the company as its Chief Financial Officer. The report is signed on behalf of Telesat by Christopher S. DiFrancesco, who is identified as Vice President, General Counsel and Secretary.