NASDAQ: CISS

C3is Inc.

CIK 0001951067 · Industrials · SIC 4412 · Deep Sea Foreign Transportation

Micro Revenue $35M Assets $98M as of Aug 1, 2026

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424B3 Filed Jul 28, 2026

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424B3 Filed Jul 28, 2026

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424B3 Filed Jul 28, 2026

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424B4 Filed Jul 28, 2026

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424B5 Filed Feb 25, 2026

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424B4 Filed Dec 11, 2025

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424B5 Filed Oct 9, 2025

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424B4 Filed Mar 15, 2024

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424B1 Filed Jun 12, 2023

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