S-1 · primary offering
Issued 2023
Proposed maximum
Shares registered
- Filed
- Effective
CISS$0.4872-3.16%
C3is Inc.
Sector: Deep Sea Foreign Transportation of FreightIndustry: Marine ShippingCountry: GRExchange: Nasdaq
Mkt Cap:$1.68M
Float & O/S:
Inst Own:
DilutionScan read 45 of C3is Inc.'s SEC filings and found 10 warrant series, 1 convertible, 1 ATM program, 1 shelf registration, 6 S-1 registrations and 5 completed offerings on file for CISS. The latest dilution event on file is ATM sales on Sep 29, 2026. Analysis updated Oct 29, 2026.
Signal8 Summary
CISS
Repeated reverse splits, heavy dilution overhang
Snapshot
C3is is a tiny shipping micro-cap running dry bulk carriers and a tanker fleet. FY 2025 revenue fell 17.8% to $34.8M, though Q2 2026 revenue more than doubled as charter rates spiked.
What's Happening Right Now
- : Short interest fell 77.8% by September 15, 2026, dropping to 20,750 shares from 93,408 shares at the end of August.
- : Imperial Petroleum disclosed 80.5% beneficial ownership of C3is as of August 2026, with its convertible preferred conversion price reset to $2.4444 after the reverse split.
- : Q2 2026 revenue more than doubled to $24.0 million and the company swung to $10.0 million net income, helped by daily charter rates jumping to $40,260.
- : C3is executed a 1-for-40 reverse stock split effective August 19, 2026, its third reverse split in a year, cutting shares outstanding from about 57.6 million to 1.44 million to meet Nasdaq's minimum bid price rule.
- : On July 27, 2026 the company priced a $6.0 million public offering of units with warrants carrying step-down strike prices and a zero-cash exercise feature.
Raise routes on file: active ATM + effective shelf + effective S-1 · latest dilution event 35 days ago
Overall Risk
Offering Ability
Overhead Supply
Historical
Cash Need
AI dilution summary
The dominant contractual driver and its mechanism, then each further driver ranked.
Latest dilution event
Sep 29, 2026 · ATM Sale
Every warrant, convertible, ATM and shelf, cited to the filing
A free account reads 3 tickers a day in full
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
Share count and cash history
Shares outstanding, potential dilution and cash over time
Effective
S-1 · primary offering
Issued 2024
Proposed maximum
Shares registered
- Filed
- Effective
S-1 · primary offering
Issued 2024
Proposed maximum
Shares registered
- Filed
- Effective
S-1 · primary offering
Issued 2024
Proposed maximum
Shares registered
- Filed
- Effective
S-1 · primary offering
Issued 2025
Proposed maximum
Shares registered
- Filed
- Effective
S-1 · primary offering
Issued 2026
Proposed maximum
Shares registered
- Filed
- Effective
Warrant
Issued 2024
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Warrant
Issued 2024
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Warrant
Issued 2024
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Warrant
Issued 2024
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Class D Warrants (December 2025 registered offering)
Issued 2025
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Class E Warrants (December 2025 registered offering)
Issued 2025
Shares Underlying
Exercise Price
Outstanding
- Type
- Anti-Dilution
- Cashless Exercise
- Expiration
Series A Perpetual Convertible Preferred Shares (Series A Convertible Preferred
Principal
Conversion Price
Remaining principal
- Shares on conversion
- Interest rate
- Maturity
ATM program
Issued 2026
Total capacity
Sold to date
Remaining capacity
- Sales agent
- Agreement date
- Commission
F-3 shelf registration
Issued 2025
Total capacity
Remaining
- Filed
- Effective
- Expires
- Baby shelf
Registered direct offering
Issued 2025
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
Public offering
Issued 2025
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
ATM block sale
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
ATM block sale
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
Public offering
Issued 2026
Gross proceeds
Price per share
- Shares issued
- Warrant coverage
- Placement agent
Know who's about to sell into your CISS trade
Exercise prices, conversion terms, shelf headroom and the filing sentence behind every number.
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
