13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001845840 · CUSIP 879512309

Telesat CorporationTSAT

5 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
1 SCHEDULE 13D/A · 4 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
6.35
as of 2026-07-15

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2026-07-09 SCHEDULE 13D/A MHR FUND MANAGEMENT LLC 35.50% 2,634,891 view →
2023-07-20 SC GAMCO INVESTORS, INC. ET AL view →
2023-07-07 SC GAMCO INVESTORS, INC. ET AL view →
2022-02-04 SC GAMCO INVESTORS, INC. ET AL view →
2022-01-11 SC GAMCO INVESTORS, INC. ET AL view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 1,343,714 6.35 +25.4%
2026-06-30 1,071,798 4.35 -3.3%
2026-06-15 1,107,943 2.61 +39.6%
2026-05-29 793,445 3.47 -9.0%
2026-05-15 871,520 4.65 -15.0%
2026-04-30 1,025,497 4.30 -6.8%
2026-04-15 1,099,744 5.17 +8.7%
2026-03-31 1,011,571 5.00 -3.6%
2026-03-13 1,049,682 7.43 -0.6%
2026-02-27 1,056,173 14.32 +3.2%
2026-02-13 1,023,175 7.45 -0.2%
2026-01-30 1,024,935 3.19 +9.4%

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