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C3is Inc. Announces Pricing of $6.0 Million Underwritten Public Offering

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C3is (Nasdaq: CISS) priced an underwritten public offering of 11,535,000 units at $0.52 per unit, for expected gross proceeds of approximately $6.0 million before fees. Each unit includes one common share (or pre-funded warrant) and one Class F warrant to purchase one common share.

According to C3is, the warrants are immediately exercisable, expire one year from issuance and initially have a $0.52 exercise price. This price will be adjusted on the second and fifth trading days after closing to 70% and 50%, respectively, of the initial exercise price, with the underlying share count proportionally increased. Warrants may also be exercised on a zero cash basis, exchanging each warrant for twice the number of shares issuable on a cash exercise. The company granted underwriters a 45‑day option to buy up to 908,765 additional shares and/or warrants. Closing is expected on or about July 28, 2026, subject to customary conditions.

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Positive

  • $6.0 million expected gross proceeds from offering before fees
  • Underwriters’ 45-day option could increase total capital raised
  • Warrants immediately exercisable, potentially providing additional capital inflows

Negative

  • Issuance of 11,535,000 units implies significant potential shareholder dilution
  • Class F warrants include price reset features that may increase dilution
  • Underwriters’ option for up to 908,765 extra shares and/or warrants adds further dilution risk

Market reaction after $6.0 million public offering: CISS -80.31% in the Jul 27 session

-80.31% 183.8x vol
144 alerts
-80.31% Session close to close
+11.2% Peak Tracked
-79.7% Trough Tracked
$1.98M Market Cap
183.8x Rel. Volume

In the Jul 27 session, CISS declined 80.31%, reflecting a significant negative market reaction. Argus tracked a peak move of +11.2% during that session. Argus tracked a trough of -79.7% from its starting point during tracking. Our momentum scanner triggered 144 alerts that day, indicating very high trading interest and price volatility. Trading volume was exceptionally heavy at 183.8x the daily average, suggesting significant selling pressure.

Data tracked by StockTitan Argus on the day of publication.

Market Context

The stock dropped -80.3% in the session following this news. Offering-tagged history showed a -80.7%...
Analysis

The stock dropped -80.3% in the session following this news. Offering-tagged history showed a -80.7% 24-hour reaction for news_id 946899. A strong negative move would align with that precedent, while the tag-specific average move was -36.65% across four events.

Key Figures

Units offered: 11,535,000 units Offering price: $0.52 per unit Warrant expiration: 1 year +5 more
8 metrics
Units offered 11,535,000 units Underwritten public offering
Offering price $0.52 per unit Public offering pricing
Warrant expiration 1 year From issuance
Second-day warrant reset 70% Of initial exercise price
Fifth-day warrant reset 50% Of initial exercise price
Gross proceeds $6.0 million Before underwriting discounts, commissions and other offering expenses
Expected closing July 28, 2026 Subject to customary closing conditions
Underwriter option 45 days; up to 908,765 shares and/or warrants At the public offering price less underwriting discounts and commissions

Previous Offering Reports

4 past events · Latest: Dec 12 (Negative)
Same Type Pattern 4 events
Date Event Sentiment 24h Move Catalyst
Dec 12 Offering closing Negative -24.2% Public offering closed, raising gross proceeds through units containing shares and warrants.
Dec 11 Offering pricing Negative -80.7% Public offering priced with units containing common shares and multiple warrant classes.
Oct 09 Direct offering closing Negative -5.0% Registered direct offering closed, selling common shares for aggregate gross proceeds.
Oct 08 Direct offering pricing Negative -36.6% Registered direct offering priced at $2.50 per share for gross proceeds.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

All four tag-specific offering events had negative 24-hour reactions, with an average move of -36.65%.

Key Terms

underwritten public offering, pre-funded warrant, zero cash exercise option, form f-1
4 terms
underwritten public offering financial
"announced the pricing of its underwritten public offering"
An underwritten public offering is when a company sells new shares of its stock to the public with the help of a financial firm, called an underwriter. The underwriter agrees to buy all the shares upfront, reducing the company's risk, and then sells them to investors. This process helps companies raise money quickly and confidently from a wide range of buyers.
pre-funded warrant financial
"or pre-funded warrant in lieu thereof"
A pre-funded warrant is a financial instrument that gives the holder the right to buy shares of a company's stock at a set price, with most of the purchase cost already paid upfront. It functions like a nearly fully paid option, allowing investors to secure shares quickly while minimizing the amount of additional money they need to invest later. This helps investors gain ownership rights efficiently, often used to avoid certain regulatory restrictions or to prepare for future stock purchases.
zero cash exercise option financial
"exercised on a zero cash exercise option"
A zero cash exercise option lets a holder convert an option into shares without handing over money by surrendering a portion of the newly issued shares to cover the cost and any taxes, like getting an item by returning part of it instead of paying cash. For investors this matters because it changes how many new shares actually enter the market and whether a company needs cash to fulfill the grant, affecting ownership percentages and per-share metrics.
form f-1 regulatory
"A registration statement on Form F-1"
A Form F-1 is the document a non-U.S. company files with U.S. regulators when it wants to sell stock or other securities to U.S. investors. It lays out the company’s business, finances, risks and how the offering will work, acting like a product manual and ingredient list so investors can judge what they’re buying. For investors, it’s a key source of verified information used to compare opportunities and assess potential reward and risk.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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ATHENS, Greece, July 27, 2026 (GLOBE NEWSWIRE) -- C3is Inc. (Nasdaq: CISS) (the “Company”), a ship-owning company providing seaborne transportation services, today announced the pricing of its underwritten public offering of 11,535,000 units at a public offering price of $0.52 per unit. Each unit consists of one common share (or pre-funded warrant in lieu thereof) and one Class F warrant to purchase one common share.

Each warrant will expire one (1) year from the date of issuance, will be immediately exercisable upon issuance at an initial exercise price of $0.52 per share, subject to adjustment on the second and fifth trading days following the closing of the offering to 70% and 50%, respectively, of the initial exercise price, and the number of common shares underlying the warrants will be proportionally increased. The warrants may also be exercised on a zero cash exercise option pursuant to which the holder may exchange each warrant for twice the number of common shares issuable on a cash exercise of the warrant.

Gross proceeds to the Company, before deducting underwriting discounts and commissions and other offering expenses, are expected to be approximately $6.0 million. The offering is expected to close on or about July 28, 2026, subject to the satisfaction of customary closing conditions. 

Maxim Group LLC is acting as sole book-running manager in connection with the offering.

The Company has granted the underwriters a 45-day option to purchase up to an additional 908,765 common shares and/or additional warrants to purchase up to 908,765 common shares, at its respective public offering price less underwriting discounts and commissions.

A registration statement on Form F-1 (File No. 333-297627), as amended, was filed with the U.S. Securities and Exchange Commission (“SEC”) and became effective in accordance with Section 8(a) of the Securities and Exchange Act of 1933, as amended, on July 27, 2026. A final prospectus relating to the offering will be filed with the SEC and will be available on the SEC’s website at http://www.sec.gov. The offering is being made only by means of a prospectus forming part of the effective registration statement. Electronic copies of the prospectus relating to this offering, when available, may also be obtained from Maxim Group LLC, 300 Park Avenue, 16th Floor, New York, New York 10022, Attention: Syndicate Department, by telephone at (212) 895-3745 or by email at syndicate@maximgrp.com.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

About C3is Inc.

C3is Inc. is a ship-owning company providing seaborne transportation services to dry bulk and tanker charterers, including major national and private industrial users, commodity producers and traders.

On a pro forma basis following the delivery of one additional MR product tanker it has contracted to acquire, the Company's fleet will consist of six vessels: three Handysize dry bulk carriers, one Aframax tanker, and two MR product tankers, with a total carrying capacity of approximately 311,431 dwt.

C3is Inc.’s common shares are listed on the Nasdaq Capital Market and trade under the symbol “CISS”.

Forward Looking Statements

Matters discussed in this release may constitute forward-looking statements within the meaning of the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, including statements with respect to the completion of the offering and other statements that are forward-looking. Forward-looking statements reflect our current views with respect to future events and financial performance and may include statements concerning plans, objectives, goals, strategies, future events or performance and underlying assumptions and other statements, which are other than statements of historical facts. The forward-looking statements in this release are based upon various assumptions. Although C3is Inc. believes that these assumptions were reasonable when made, because these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond our control, C3is Inc. cannot assure you that it will achieve or accomplish these expectations, beliefs or projections. Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include uncertainties related to the timing and completion of the offering, including satisfaction of customary closing conditions related to the offering, as well as those risks discussed under “Risk Factors” in our Annual Report on Form 20-F for the year ended December 31, 2025 and our filings with the U.S. Securities and Exchange Commission (the “SEC”). Except to the extent required by applicable law, C3is Inc. disclaims any intention or obligation to update publicly or revise any forward‐looking statements, whether as a result of new information, future events or otherwise.

Company Contact

Nina Pyndiah
Chief Financial Officer
C3is Inc.
00-30-210-6250-001
E-mail: info@c3is.pro


FAQ

What are the key terms of the C3is (CISS) $6.0 million public offering announced in July 2026?

C3is priced 11,535,000 units at $0.52 per unit, for about $6.0 million gross proceeds. According to C3is, each unit includes one common share (or pre-funded warrant) plus one Class F warrant to buy one common share.

How do the Class F warrants work in the C3is (CISS) July 2026 offering?

Each Class F warrant is immediately exercisable at $0.52 and expires in one year. According to C3is, the exercise price resets to 70% and 50% of the initial price on specified trading days, with proportional increases in underlying shares.

When is the C3is (CISS) underwritten public offering expected to close?

The offering is expected to close on or about July 28, 2026, subject to customary conditions. According to C3is, Maxim Group is the sole book-running manager and the deal proceeds are before underwriting fees and expenses.

What is the potential dilution impact from the new C3is (CISS) offering?

The offering includes 11,535,000 units, each with one share and one warrant, creating substantial potential dilution. According to C3is, an additional 908,765 shares and/or warrants may be issued under the underwriters’ 45-day option.

What additional purchase option did underwriters receive in the C3is (CISS) July 2026 deal?

Underwriters received a 45-day option to buy up to 908,765 extra shares and/or warrants at the public price, less fees. According to C3is, this option can expand the offering size and related potential dilution.

How can investors access the prospectus for the C3is (CISS) public offering?

Investors can access the final prospectus on the SEC’s website when filed. According to C3is, electronic copies will also be available from Maxim Group’s Syndicate Department via mail, phone, or email as specified.