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ISSUER PROFILE · CIK 0001951067 · CUSIP Y18284151

C3is Inc.CISS

1 13D/G filings 1 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
1
1 SCHEDULE
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2025-01-14 SCHEDULE Imperial Petroleum Inc./Marshall Islands 73.10% 11,532,251 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 58,387 1.00 -3.7%
2026-03-13 60,614 1.00 -75.9%
2026-02-27 251,601 1.00 -7.5%
2026-02-13 271,959 1.00 +56.0%
2026-01-30 174,310 1.00 +187.7%
2026-01-15 60,586 1.00 -66.3%
2025-12-31 179,803 1.00 -57.9%
2025-12-15 427,225 1.00 +486.5%

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