C3is Inc. (CISS) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Goto 0, 1, Next
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-06-24
4:05 pm
Purchase
2026-06-2213DC3IS INC PAR $0.01 MARCH 2
CISS
Imperial Petroleum Inc.
IMPP
7,171,543
82.900%
2,176,871increase
(+43.58%)
Filing
History
2026-05-18
3:21 pm
Purchase
2026-05-1813GC3IS INC PAR $0.01 MARCH 2
CISS
TOWERVIEW LLC35,000
6.500%
35,000increase
(New Position)
Filing
History
2026-05-11
4:05 pm
Purchase
2026-03-3113GC3IS INC PAR $0.01 MARCH 2
CISS
Evergreen Capital Management LLC27,746
4.900%
24,580increase
(+776.37%)
Filing
History
2026-05-06
5:15 pm
Purchase
2026-05-0413DC3IS INC PAR $0.01 MARCH 2
CISS
Imperial Petroleum Inc.
IMPP
4,994,672
90.200%
3,578,469increase
(+252.68%)
Filing
History
2026-02-27
4:00 pm
Purchase
2026-02-2713GC3IS INC JAN 2026
CISS
Alta Partners LLC8,025
5.200%
8,025increase
(New Position)
Filing
History
2026-02-11
09:57 am
Purchase
2025-12-3113GC3IS INC JAN 2026
CISS
Ayrton Capital LLC122,318
9.990%
122,318increase
(New Position)
Filing
History
2026-02-04
5:00 pm
Purchase
2026-02-0213DC3IS INC JAN 2026
CISS
Imperial Petroleum Inc.
IMPP
1,416,203
81.900%
1,156,652increase
(+445.64%)
Filing
History
2026-01-14
1:55 pm
Unchanged
2025-12-1113GC3IS INC PAR $0.01 MARCH 2
CISS
Evergreen Capital Management LLC3,166
9.990%
0
(Unchanged)
Filing
History
2026-01-13
4:30 pm
Purchase
2026-01-0913GC3IS INC PAR $0.01 MARCH 2
CISS
Athanasios Tsiakmakis2,857
5.020%
1,750increase
(+158.08%)
Filing
History
2026-01-08
1:08 pm
Purchase
2025-12-1113GC3IS INC PAR $0.01 MARCH 2
CISS
Evergreen Capital Management LLC3,166
10.000%
3,166increase
(New Position)
Filing
History
2025-12-30
5:00 pm
Purchase
2025-12-2913DC3IS INC PAR $0.01 MARCH 2
CISS
Imperial Petroleum Inc.
IMPP
259,551
74.000%
170,265increase
(+190.70%)
Filing
History
2025-12-18
5:05 pm
Purchase
2025-12-1113GC3IS INC PAR $0.01 MARCH 2
CISS
S.H.N. Financial Investments Ltd.3,166
9.990%
2,636increase
(+497.36%)
Filing
History
2025-12-17
4:26 pm
Purchase
2025-12-1113GC3IS INC PAR $0.01 MARCH 2
CISS
L1 Capital Global Opportunities Master Fund, Ltd.3,166
9.990%
2,901increase
(+1094.72%)
Filing
History
2025-12-15
06:05 am
Purchase
2025-12-1213DC3IS INC PAR $0.01 MARCH 2
CISS
Imperial Petroleum Inc.
IMPP
89,286
61.100%
46,429increase
(+108.33%)
Filing
History
2025-11-14
08:17 am
Purchase
2025-11-1413GC3IS INC PAR $0.01 MARCH 2
CISS
S.H.N. Financial Investments Ltd.530
2.700%
456increase
(+616.22%)
Filing
History
2025-10-28
5:00 pm
Purchase
2025-09-1613GC3IS INC PAR $0.01 MARCH 2
CISS
Athanasios Tsiakmakis1,107
14.360%
1,107increase
(New Position)
Filing
History
2025-10-10
5:00 pm
Unchanged
2025-10-0913DC3IS INC PAR $0.01 MARCH 2
CISS
Flawless Management Inc.718
3.700%
0
(Unchanged)
Filing
History
2025-10-10
5:00 pm
Purchase
2025-10-0913DC3IS INC PAR $0.01 MARCH 2
CISS
Imperial Petroleum Inc.
IMPP
42,857
68.800%
7,602increase
(+21.56%)
Filing
History
2025-10-02
09:06 am
Unchanged
2025-09-3013GC3IS INC PAR $0.01 MARCH 2
CISS
Pandora Consultants II SA307
2.700%
0
(Unchanged)
Filing
History
2025-10-01
4:15 pm
Purchase
2025-09-2913DC3IS INC PAR $0.01 MARCH 2
CISS
Flawless Management Inc.718
6.300%
35increase
(+5.12%)
Filing
History
Goto 0, 1, Next