C3is Inc. (CISS)
NASDAQ: CISS · Real-Time Price · USD
1.860
-0.021 (-1.12%)
At close: Dec 5, 2025, 4:00 PM EST
1.800
-0.060 (-3.23%)
After-hours: Dec 5, 2025, 5:33 PM EST

Company Description

C3is Inc. offers international seaborne transportation services.

The company provides its services to dry bulk charterers, including national and private industrial users, commodity producers and traders, oil producers, refineries, and commodities traders and producers.

It owns and operates three drybulk carriers, which transport major bulks, such as iron ore, coal, and grains, as well as minor bulks comprising bauxite, phosphate, and fertilizers; and one Aframax crude oil tanker that transports crude oil.

The company was founded in 2021 and is based in Athens, Greece.

C3is Inc.
C3is Inc. logo
Country Greece
Founded 2022
Industry Marine Shipping
Sector Industrials
CEO Diamantis Andriotis

Contact Details

Address:
331 Kifissias Avenue, Erithrea
Athens, 14561
Greece
Phone 30 210 62 50 001
Website c3is.pro

Stock Details

Ticker Symbol CISS
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001951067
CUSIP Number Y18284169
ISIN Number MHY182841699
SIC Code 4412

Key Executives

Name Position
Dr. Diamantis Andriotis Chief Executive Officer, President and Director
Nina Pyndiah Chief Financial Officer

Latest SEC Filings

Date Type Title
Dec 5, 2025 F-1/A [Amend] Registration statement for certain foreign private issuers
Nov 21, 2025 EFFECT Notice of Effectiveness
Nov 18, 2025 6-K Report of foreign issuer
Nov 14, 2025 SCHEDULE 13G/A Filing
Nov 3, 2025 F-1/A [Amend] Registration statement for certain foreign private issuers
Oct 28, 2025 SCHEDULE 13G Filing
Oct 10, 2025 SCHEDULE 13D/A Filing
Oct 10, 2025 SCHEDULE 13D/A Filing
Oct 9, 2025 6-K Report of foreign issuer
Oct 9, 2025 424B5 Filing