C3is Inc. (CISS) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 569.12% of current shares
Recent Dilution: 500.78% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
540K
Potential Supply
3.1M
Additional shares possible
Splits
None
Past 2 years

Summary

CISS currently has 541K outstanding shares. with significant dilution risk as 3.08M authorized shares could dilute existing holders by 569.1%. The company has significantly diluted shareholders by 500.78% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 05, 2026

POS AM filing: This prospectus relates to the issuance of up to $5,687,550 shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants to purchase common stock and outstanding Class C-2 Warrants to purchase common stock.

540K 3.1M
May 05, 2026

POS AM filing: This prospectus relates to the issuance of up to 186,880 shares of common stock issuable upon the exercise of outstanding Class D Warrants to purchase common stock and 41 shares of common stock issuable upon the exercise of outstanding Class E Warrants.

540K 3.1M
May 05, 2026

POS AM filing: This prospectus relates to the issuance of up to 23 shares of common stock issuable upon the exercise of outstanding Class A Warrants to purchase common stock.

540K 3.1M
May 05, 2026

POS AM filing: This prospectus relates to the issuance of shares of common stock issuable upon the exercise of outstanding Class B-1 Warrants and Class B-2 Warrants.

540K 3.1M
Dec 15, 2025

POS AM filing: This prospectus relates to the issuance of up to $7,200,427 of shares of common stock issuable upon the exercise of outstanding Class B-1 Warrants and Class B-2 Warrants.

8M 3.1M
Dec 15, 2025

POS AM filing: This prospectus relates to the issuance of up to 3,177 shares of common stock issuable upon the exercise of outstanding Class A Warrants to purchase common stock.

8M 3.1M
Dec 15, 2025

POS AM filing: This prospectus relates to the issuance of up to $7,363,308 shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants and Class C-2 Warrants.

8M 3.1M
Oct 01, 2025

POS AM filing: This prospectus relates to the issuance of shares of common stock issuable upon the exercise of outstanding Class B-1 Warrants and Class B-2 Warrants.

1.6M 3.1M
Oct 01, 2025

POS AM filing: This prospectus relates to the issuance of up to $8,832,768 shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants and Class C-2 Warrants.

1.6M 3.1M
Oct 01, 2025

POS AM filing: This prospectus relates to the issuance of up to 3,177 shares of common stock issuable upon the exercise of outstanding Class A Warrants to purchase common stock.

1.6M 3.1M
Sep 03, 2025

F-1 filing: This is an F-1 filing for a unit offering consisting of common stock, Class D warrants, and Class E warrants, as well as pre-funded warrants in lieu of common shares under certain conditions.

920K 3.1M
Apr 30, 2025

POS AM filing: This prospectus relates to the issuance of up to 3,177 shares of common stock issuable upon the exercise of outstanding Class A Warrants to purchase common stock.

780K 3.1M
Apr 30, 2025

POS AM filing: This prospectus relates to the issuance of up to $9,731,316 shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants and Class C-2 Warrants.

780K 3.1M
Apr 30, 2025

POS AM filing: This is a POS AM filing for C3is Inc. regarding the issuance of common stock upon the exercise of outstanding Class B-1 and Class B-2 Warrants.

780K 3.1M
Apr 28, 2025

20-F filing | 0.7M shares outstanding

710K 3.1M
Feb 21, 2025

F-3 filing: Registration statement for the potential offering of debt securities, warrants, rights, purchase contracts, common stock, preferred stock, units or depositary shares.

11M 3.1M
Dec 10, 2024

POS AM filing: This is a POS AM filing for C3is Inc. relating to the issuance of up to 47,650 shares of common stock issuable upon the exercise of outstanding Class A Warrants.

11M 3.1M
Dec 10, 2024

POS AM filing: This prospectus relates to the issuance of up to $9,574,213 of shares of common stock issuable upon the exercise of outstanding Class B-1 and Class B-2 Warrants.

11M 3.1M
Dec 10, 2024

POS AM filing: This prospectus relates to the issuance of shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants and Class C-2 Warrants.

11M 3.1M
May 01, 2024

POS AM filing: This is a POS AM filing for C3is Inc. related to the issuance of up to 47,650 shares of common stock issuable upon the exercise of outstanding Class A Warrants.

5.8M 3.1M
May 01, 2024

POS AM filing: This is a POS AM filing relating to the issuance of common stock upon the exercise of outstanding Class B-1 and Class B-2 Warrants.

5.8M 3.1M
May 01, 2024

POS AM filing: This prospectus relates to the issuance of up to $11,594,000 shares of common stock issuable upon the exercise of outstanding Class C-1 Warrants and Class C-2 Warrants.

5.8M 3.1M
Apr 30, 2024

20-F filing | 0.1M shares outstanding

87K 22M
Feb 05, 2024

F-1 filing: This F-1 filing registers the offering of units, each consisting of one common share, one half of a Class C-1 warrant, and one Class C-2 warrant, along with pre-funded warrants, Class C-1 warrants, and Class C-2 warrants. It also relates to the common shares issuable upon exercise of the pre-funded warrants and Class C-1 and C-2 warrants.

44M 22M
Jan 08, 2024

F-1 filing: This is an F-1 filing for an offering of units consisting of common shares, Class B-1 warrants, Class B-2 warrants, and pre-funded warrants from C3is Inc.

8.7M 22M
Jun 26, 2023

F-1 filing: This F-1 filing describes an offering of up to 5,703,000 Units, each consisting of one Common Share and one Class A Warrant, on a best efforts basis, at an assumed public offering price of $2.63 per Unit.

3.2M 8.8M
Apr 12, 2023

F-1 filing: Distribution of C3is Inc. common shares to stockholders of Imperial Petroleum Inc.

N/A 3.1M
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