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Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-24-123906
Filing Date
2024-04-30
Accepted
2024-04-30 09:23:56
Documents
90
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 20-F d791411d20f.htm   iXBRL 20-F 2169533
2 EX-1.1 d791411dex11.htm EX-1.1 77922
3 EX-2.1 d791411dex21.htm EX-2.1 107363
4 EX-4.11 d791411dex411.htm EX-4.11 3142
5 EX-8 d791411dex8.htm EX-8 2601
6 EX-12.1 d791411dex121.htm EX-12.1 9549
7 EX-12.2 d791411dex122.htm EX-12.2 9467
8 EX-13.1 d791411dex131.htm EX-13.1 3771
9 EX-13.2 d791411dex132.htm EX-13.2 3742
10 EX-15.1 d791411dex151.htm EX-15.1 1488
11 EX-15.2 d791411dex152.htm EX-15.2 1480
12 EX-97 d791411dex97.htm EX-97 28409
18 GRAPHIC g791411g18g18.jpg GRAPHIC 205061
19 GRAPHIC g791411g19g19.jpg GRAPHIC 301256
20 GRAPHIC g791411g20g20.jpg GRAPHIC 290045
21 GRAPHIC g791411g21g21.jpg GRAPHIC 328905
22 GRAPHIC g791411g22g22.jpg GRAPHIC 294815
23 GRAPHIC g791411g23g23.jpg GRAPHIC 265216
24 GRAPHIC g791411g24g24.jpg GRAPHIC 286778
25 GRAPHIC g791411g25g25.jpg GRAPHIC 274946
26 GRAPHIC g791411g26g26.jpg GRAPHIC 204850
  Complete submission text file 0001193125-24-123906.txt   10882595

Data Files

Seq Description Document Type Size
13 XBRL TAXONOMY EXTENSION SCHEMA ciss-20231231.xsd EX-101.SCH 55883
14 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE ciss-20231231_cal.xml EX-101.CAL 38387
15 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ciss-20231231_def.xml EX-101.DEF 257103
16 XBRL TAXONOMY EXTENSION LABEL LINKBASE ciss-20231231_lab.xml EX-101.LAB 383453
17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ciss-20231231_pre.xml EX-101.PRE 330488
94 EXTRACTED XBRL INSTANCE DOCUMENT d791411d20f_htm.xml XML 872782
Mailing Address 331 KIFISSIAS AVENUE ERITHREA ATHENS J3 14561
Business Address 331 KIFISSIAS AVENUE ERITHREA ATHENS J3 14561 011-30-210-625-0001
C3is Inc. (Filer) CIK: 0001951067 (see all company filings)

IRS No.: 000000000 | State of Incorp.: 1T | Fiscal Year End: 1231
Type: 20-F | Act: 34 | File No.: 001-41717 | Film No.: 24894288
SIC: 4412 Deep Sea Foreign Transportation of Freight
(CF Office: 01 Energy & Transportation)