Latest filings (excl ownership)
424B3
Prospectus supplement
28 May 24
424B3
Prospectus supplement
28 May 24
424B3
Prospectus supplement
28 May 24
6-K
Current report (foreign)
28 May 24
EFFECT
Notice of effectiveness
9 May 24
EFFECT
Notice of effectiveness
9 May 24
EFFECT
Notice of effectiveness
9 May 24
POS AM
Prospectus update (post-effective amendment)
1 May 24
POS AM
Prospectus update (post-effective amendment)
1 May 24
POS AM
Prospectus update (post-effective amendment)
1 May 24
20-F
2023 FY
Annual report (foreign)
30 Apr 24
424B3
Prospectus supplement
12 Apr 24
424B3
Prospectus supplement
12 Apr 24
424B3
Prospectus supplement
12 Apr 24
6-K
Current report (foreign)
12 Apr 24
424B3
Prospectus supplement
12 Apr 24
424B3
Prospectus supplement
12 Apr 24
424B3
Prospectus supplement
12 Apr 24
6-K
C3IS Inc. Announces Reverse Stock Split
12 Apr 24
424B3
Prospectus supplement
26 Mar 24
424B3
Prospectus supplement
26 Mar 24
424B3
Prospectus supplement
26 Mar 24
6-K
Current report (foreign)
26 Mar 24
424B3
Prospectus supplement
19 Mar 24
424B3
Prospectus supplement
19 Mar 24
424B3
Prospectus supplement
19 Mar 24
6-K
C3is Inc. Announces Closing of $6.0 Million Underwritten Public Offering
19 Mar 24
424B3
Prospectus supplement
15 Mar 24
424B3
Prospectus supplement
15 Mar 24
424B3
Prospectus supplement
15 Mar 24
6-K
C3IS INC. Announces Receipt of Nasdaq Delisting Determination; Appeal
15 Mar 24
424B4
Prospectus supplement with pricing info
15 Mar 24
EFFECT
Notice of effectiveness
15 Mar 24
F-1/A
Registration statement (foreign) (amended)
23 Feb 24
424B3
Prospectus supplement
22 Feb 24
424B3
Prospectus supplement
22 Feb 24
6-K
C3IS Inc. Granted 180-DAY Extension by Nasdaq to Regain Compliance with Minimum Bid Price Rule
22 Feb 24
F-1
Registration statement (foreign)
5 Feb 24
424B3
Prospectus supplement
23 Jan 24
6-K
C3is Inc. Announces Closing of $7.0 Million Upsized Underwritten Public Offering
23 Jan 24
Latest ownership filings
SC 13D/A
Flawless Management Inc.
24 Jun 24
SC 13G
Pandora Consultants II SA
24 May 24
SC 13D
Flawless Management Inc.
20 May 24
SC 13D/A
Imperial Petroleum Inc./Marshall Islands
1 May 24
SC 13G
S.H.N. Financial Investments Ltd.
25 Mar 24
SC 13D/A
Imperial Petroleum Inc./Marshall Islands
20 Mar 24
SC 13G
S.H.N. Financial Investments Ltd.
9 Feb 24
SC 13G
S.H.N. Financial Investments Ltd.
29 Jan 24
SC 13G
L1 Capital Global Opportunities Master Fund, Ltd.
29 Jan 24
SC 13D/A
Flawless Management Inc.
24 Jan 24
SC 13D/A
Imperial Petroleum Inc./Marshall Islands
24 Jan 24
SC 13D
Flawless Management Inc.
16 Nov 23
SC 13D
Imperial Petroleum Inc./Marshall Islands
28 Jul 23