C3is Inc. - CISS

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 24
Latest filed: Sep 03, 2026
Form Count
6-K 10
SCHEDULE 13G 6
SCHEDULE 13D/A 4
SCHEDULE 13G/A 4

Latest files

Filed Form Report period Accession SEC
Sep 03, 2026 SCHEDULE 13G — 0001235976-26-000001 View
Aug 28, 2026 SCHEDULE 13D/A — 0001193125-26-374929 View
Aug 27, 2026 6-K Aug 27, 2026 0001193125-26-369519 View
Aug 19, 2026 6-K Aug 19, 2026 0001193125-26-356854 View
Aug 19, 2026 SCHEDULE 13G — 0001595888-26-000109 View
Aug 17, 2026 6-K Aug 17, 2026 0001193125-26-354028 View
Aug 14, 2026 SCHEDULE 13G/A — 0001079973-26-001098 View
Aug 14, 2026 SCHEDULE 13G/A — 0001079973-26-001123 View
Aug 04, 2026 SCHEDULE 13G — 0001753926-26-001328 View
Aug 03, 2026 SCHEDULE 13G — 0001649553-26-000076 View
Aug 03, 2026 SCHEDULE 13G/A — 0001094891-26-000264 View
Jul 31, 2026 SCHEDULE 13G — 0000929638-26-002851 View
Jul 30, 2026 SCHEDULE 13D/A — 0001193125-26-326456 View
Jul 28, 2026 6-K Jul 28, 2026 0001193125-26-320953 View
Jul 27, 2026 6-K Jul 27, 2026 0001193125-26-317019 View
Jul 22, 2026 6-K Jul 22, 2026 0001193125-26-312537 View
Jun 24, 2026 SCHEDULE 13D/A — 0001193125-26-281039 View
Jun 22, 2026 6-K Jun 22, 2026 0001193125-26-277660 View
May 18, 2026 6-K May 18, 2026 0001193125-26-228033 View
May 18, 2026 SCHEDULE 13G — 0001166573-26-000001 View
May 11, 2026 SCHEDULE 13G/A — 0001753926-26-000808 View
May 06, 2026 SCHEDULE 13D/A — 0001193125-26-209380 View
Apr 27, 2026 6-K Apr 27, 2026 0001193125-26-181886 View
Apr 23, 2026 6-K Apr 23, 2026 0001193125-26-173738 View