C3is Inc. CISS
Annual
Quarterly
FY2025 · ended Dec 31, 2025 · Revenue $34.76M, -17.8% YoY · Filed Apr 22, 2026
C3is Inc. (CISS) files with the SEC under industry code 4412, Deep Sea Foreign Transportation of Freight. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $34.8 million and net income of $10.5 million. Free cash flow was $3.8 million. As of Dec 31, 2025 it held $616,640 in cash and investments and $24,751 in total debt.
Revenue
$34.76M
-17.8% vs prior year
Net income
$10.47M
+481.1% vs prior year
Operating cash flow
$4.00M
-84.0% vs prior year
Free cash flow
$3.84M
-83.6% vs prior year
EPS
$3.98
+101.1% vs prior year
Dividend per share
None
Shares outstanding
659,668
+1767.5% vs prior year
Net cash
$591,889
FY 2025
Operating margin
3.9%
FY 2025
Company profile
- Industry
- Deep Sea Foreign Transportation of Freight (SIC 4412)
- Listed as
- CISS (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Marshall Islands
- Headquarters
- Athens, Greece
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 1951067
Other Deep Sea Foreign Transportation of Freight companies
- Frontline plc FRO
- Cmb.tech NV CMBT
- Scorpio Tankers Inc. STNG
- TORM plc TRMD
- DHT Holdings, Inc. DHT
- Okeanis Eco Tankers Corp. ECO
- ZIM Integrated Shipping Services Ltd. ZIM
- Star Bulk Carriers Corp. SBLK
Key figures
Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.
| Line | FY 2025 Dec 31, 2025 |
FY 2024 Dec 31, 2024 |
FY 2023 Dec 31, 2023 |
|---|---|---|---|
| Revenue | $34.8M | $42.3M | $28.7M |
| Operating income | $1.4M | $10.1M | $10.4M |
| Net income | $10.5M | -$2.7M | $9.3M |
| Diluted EPS | $3.98 | -$351.58 | $18,911.99 |
| Operating cash flow | $4.0M | $25.0M | $5.6M |
| Free cash flow | $3.8M | $23.4M | $1.3M |
| Total assets | $98.5M | $100.5M | $95.5M |
| Total liabilities | $3.4M | $29.1M | $39.9M |
| Stockholders' equity | $95.1M | $71.4M | $55.5M |
| Cash and investments | $616,640 | $4.6M | $695,288 |
| Total debt | $24,751 | $28,768 | — |
Recent SEC filings
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Sep 29, 2026 | Jun 30, 2026 |
| 6-K | Current report (foreign issuer) | Aug 27, 2026 | Aug 27, 2026 |
| 6-K | Current report (foreign issuer) | Aug 19, 2026 | Aug 19, 2026 |
| 6-K | Current report (foreign issuer) | Aug 17, 2026 | Aug 17, 2026 |
| 6-K | Current report (foreign issuer) | Jul 28, 2026 | Jul 28, 2026 |
| 6-K | Current report (foreign issuer) | Jul 27, 2026 | Jul 27, 2026 |
Source: SEC EDGAR filings. This is company-reported data, not investment advice.