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C3is Inc. SEC Filings

CISS NASDAQ

Welcome to our dedicated page for C3is SEC filings (Ticker: CISS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on C3is's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into C3is's regulatory disclosures and financial reporting.

Rhea-AI Summary

C3is Inc. is implementing a one-for-twenty reverse stock split of its common stock to help meet Nasdaq’s minimum bid price requirement and maintain its listing. The split will take effect at 11:59 pm Eastern Time on January 25, 2026, and the shares will begin trading on a split-adjusted basis on Nasdaq on January 26, 2026.

Every 20 issued shares of common stock will be combined into one share, reducing the number of outstanding shares from approximately 20.5 million to approximately 1.02 million, without changing the $0.01 par value. Fractional shares will not be issued; instead, affected stockholders will receive cash based on the January 23, 2026 closing price. The company’s outstanding warrants and Series A Convertible Preferred Stock will be proportionately adjusted, with additional warrant adjustments through the fifth trading day after the effective time.

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Rhea-AI Summary

C3is Inc. is implementing a one-for-twenty reverse stock split of its common stock to help meet Nasdaq’s minimum bid price requirement and maintain its listing. Every 20 existing common shares will be combined into 1 share, reducing the number of outstanding shares from approximately 20.5 million to approximately 1.02 million, without changing the $0.01 par value per share. The split takes effect at 11:59 pm Eastern Time on January 25, 2026, and the stock will begin trading on a split-adjusted basis on the Nasdaq Capital Market on January 26, 2026. Fractional share positions will be cashed out based on the closing price on January 23, 2026, and warrants and preferred stock will be proportionately adjusted.

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Rhea-AI Summary

C3is Inc. is updating its existing prospectus to include a new corporate action: a one-for-twenty reverse stock split of its common stock. Every twenty existing shares will be combined into one share, with no change to the $0.01 par value. This will reduce the number of outstanding common shares from approximately 20.5 million to approximately 1.02 million once the split takes effect at 11:59 pm Eastern Time on January 25, 2026.

The company’s common stock will begin trading on a split-adjusted basis on the Nasdaq Capital Market on January 26, 2026. Stockholders who would otherwise receive fractional shares will instead be paid cash based on the closing price on January 23, 2026. Outstanding warrants and Series A Convertible Preferred Stock, including Class B and Class C Warrants, will be proportionately adjusted in exercise price and shares issuable, with an additional adjustment period for certain warrants after the effective time. The stated goal of the reverse split is to increase the share price and help meet Nasdaq’s minimum bid price requirement for continued listing.

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Rhea-AI Summary

C3is Inc. is implementing a one-for-twenty reverse stock split of its common stock to help meet Nasdaq’s minimum bid price requirement. The reverse split will take effect at 11:59 pm Eastern Time on January 25, 2026, and the shares will begin trading on a split-adjusted basis on Nasdaq on January 26, 2026.

Every twenty issued shares of common stock will be combined into one share, keeping the par value at $0.01 per share. This will reduce the number of outstanding shares from approximately 20.5 million to approximately 1.02 million. Warrants and Series A Convertible Preferred Stock will be proportionately adjusted, and certain warrants will be further adjusted based on trading in the five days after the effective time. Fractional share positions will be settled in cash, based on the closing price on January 23, 2026.

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Rhea-AI Summary

C3is Inc. filed a prospectus supplement that incorporates a new Form 6-K detailing an agreement to acquire a 2011 South Korean-built product tanker with 47,203 dwt capacity for $22.9 million from an entity affiliated with Brave Maritime Corp Inc. The deal with this related party was approved by the Company’s independent directors, who relied on independent vessel valuations and used the average valuation price.

The vessel is expected to be delivered between Q1 and Q2 2026, and C3is has the option to pay the purchase price one year after the purchase agreement date without interest. After delivery of this tanker and a previously announced pending product tanker acquisition, the Company’s fleet is expected to total six vessels with an aggregate capacity of 310,667 dwt across drybulk, Aframax oil, and product tanker segments.

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Rhea-AI Summary

C3is Inc. is updating its existing prospectus to include a new report describing a fleet expansion. The company has agreed to acquire a 2011 South Korean-built product tanker with 47,203 deadweight tons capacity for a purchase price of $22.9 million from an entity affiliated with Brave Maritime Corp Inc. The agreement was approved by the company’s independent directors after obtaining independent vessel valuations and using the average of those valuations as the price basis.

The vessel is expected to be delivered between Q1 and Q2 2026, and C3is has the option to pay the purchase price one year after the purchase agreement date without interest. After the delivery of this vessel and another previously announced product tanker acquisition, the fleet is expected to comprise six vessels with a total capacity of 310,667 deadweight tons across drybulk carriers, an Aframax oil tanker, and two product tankers.

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Rhea-AI Summary

C3is Inc. has agreed to acquire a 2011 South Korean-built product tanker with 47,203 deadweight tons (dwt) capacity for a purchase price of $22.9 million from an entity affiliated with Brave Maritime Corp Inc. The transaction with Brave Maritime, which is affiliated with members of the Vafias family, was approved by the Company’s independent directors after obtaining independent vessel valuations and using the average of those values as the reference price.

The vessel is expected to be delivered between Q1 and Q2 2026, and C3is has the option to pay the purchase price one year after the purchase agreement date without interest, giving it additional payment flexibility. After this delivery and another previously announced product tanker acquisition, and assuming no other fleet changes, C3is expects to operate six vessels with total capacity of 310,667 dwt, including three Handysize drybulk carriers, one Aframax oil tanker and two product tankers. The Form 6-K describing this transaction is incorporated into the company’s existing registration statements and prospectus.

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Rhea-AI Summary

C3is Inc. filed a prospectus supplement to update its existing offering documents with new information about a vessel purchase. Through an attached Form 6-K, the company reports an agreement to acquire a 2011 South Korean-built product tanker with 47,203 deadweight tons capacity for $22.9 million from an entity affiliated with Brave Maritime Corp Inc. The deal was approved by the company’s independent directors, who obtained independent valuations and used the average of those values to set the price.

The vessel is expected to be delivered between Q1 and Q2 2026, and C3is has the option to pay the purchase price one year after the agreement date without interest. After this vessel is delivered, and assuming only the previously announced product tanker acquisition also closes, C3is expects to operate a fleet of six vessels with total capacity of 310,667 deadweight tons, including three Handysize drybulk carriers, one Aframax oil tanker and two product tankers.

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Rhea-AI Summary

C3is Inc. has agreed to acquire a 2011 South Korean-built product tanker with 47,203 deadweight tons of capacity for a purchase price of $22.9 million from an entity affiliated with Brave Maritime Corp Inc. The deal involves related parties connected to the Vafias family and was approved by the Company’s independent directors, who obtained independent vessel valuations and used the average of those valuations to set the price.

The tanker is expected to be delivered between Q1 and Q2 2026, and C3is has the option to pay the purchase price one year after the agreement date without interest. After delivery of this vessel and the previously announced pending product tanker, the Company expects to operate a fleet of six vessels with a total capacity of 310,667 deadweight tons, including three Handysize drybulk carriers, one Aframax oil tanker and two product tankers.

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Rhea-AI Summary

Evergreen Capital Management LLC filed an amended Schedule 13G reporting beneficial ownership of 9.99% of C3is Inc. common stock. The firm reports beneficial ownership of 443,213 securities, consisting of 425,000 common shares and 18,213 pre-funded warrants to purchase common shares. The 9.99% figure is based on 4,418,378 C3is common shares outstanding after an offering, as described in a prospectus filed under Rule 424(b)(4). Evergreen notes additional pre-funded and Series D and E warrants to purchase common shares that are subject to a 9.99% beneficial ownership limitation, so these are not included in the reported amount. The filing certifies that the securities are not held for the purpose of changing or influencing control of C3is Inc.

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FAQ

How many C3is (CISS) SEC filings are available on StockTitan?

StockTitan tracks 111 SEC filings for C3is (CISS), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for C3is (CISS)?

The most recent SEC filing for C3is (CISS) was filed on January 22, 2026.