Rubico (RUBI) 424B Filings

Rubico Inc. is offering up to $15,000,000 in aggregate initial principal amount of senior convertible notes and warrants with an aggregate initial cash exercise price of up to $15,000,000, plus underlying common shares and Commitment Shares and/or Pre-Funded Warrants. The first tranche comprises $9,444,444 in note principal and warrants with $9,444,444 in aggregate initial cash exercise price; expected gross proceeds are $8,500,000. A second tranche of $5,555,556 in note principal and warrant exercise price may close subject to conditions, for $5,000,000 in gross proceeds.

The notes bear interest at 8.0% per annum if paid in cash or 10.0% if paid in shares and mature 12 months after issuance unless converted or redeemed earlier. Rubico may extend maturity by six months, increasing principal by 5.0%. First-tranche notes have a $0.3646 fixed conversion price; the alternative is 85.0% of the lowest daily VWAP over the preceding 10 trading days, subject to a $0.10 floor. Warrants are exercisable upon issuance and expire five years after issuance. Net proceeds are expected to be approximately $12.4 million for general corporate purposes, which may include working capital, debt repayments and vessel construction.

Rubico Inc. (RUBI) has a prospectus supplement covering up to 50,000,000 common shares. The company amended its related-party purchase transaction with TOP Ships Inc. for Roman Shark V Inc.: of the $6.5 million purchase price, $2.8 million has been settled in cash, leaving a $3.7 million balance.

The balance’s original September 30, 2026 payment deadline was extended to October 31, 2026. Rubico may settle it in cash or, at its election, in newly issued shares of its existing Series G Convertible Preferred Shares. Roman Shark V is party to a contract for construction of one 47,499 dwt MR chemical/product oil tanker.

Rubico Inc.’s prospectus supplement covers up to 50,000,000 common shares. The company announced closing a July 27, 2026 share purchase agreement with related party Top Ships Inc., through which Rubico acquired the shares of an SPV that is party to a shipbuilding contract for one 47,499-dwt chemical/product oil carrier.

The tanker is scheduled for delivery in the second quarter of 2029 and has a time charter starting at delivery for a firm seven years, with a charterer option to extend four additional years. Rubico reported approximately $226.3 million in potential gross revenue backlog from its three newbuilding MR tankers, including available optional charter years, and approximately $374.6 million in total potential gross revenue backlog including its operating fleet, assuming all available charter extensions are exercised. The company also completed a stock dividend of 0.50 common shares for each common share outstanding; its shares traded ex-dividend as of October 6, 2026.

Rubico Inc. (RUBI) updates dates for its previously announced stock dividend; its accompanying prospectus cover states up to 50,000,000 common shares. The dividend is 0.50 common shares for each common share outstanding, to be distributed on or about October 5, 2026, to shareholders of record at the close of business on September 28, 2026. Nasdaq determined October 6, 2026, as the ex-dividend date.

Due-bill trading is expected from September 28, 2026, through and including the Distribution Date. Holders of record as of September 28, 2026, must hold their shares through the Distribution Date to receive the dividend. No fractional shares will be issued; fractional amounts will be paid in cash based on the common shares’ closing price on Nasdaq on September 28, 2026.

Rubico Inc. (RUBI) filed a prospectus supplement covering the offering of up to 50,000,000 common shares, updating its existing Form F-1 registration statement. The supplement incorporates a Form 6-K that announces a transition from semi-annual to quarterly earnings reporting, starting with results for the third quarter and nine months ended September 30, 2026.

Each quarterly earnings release will include unaudited condensed financial statements and selected operating data but no accompanying notes. Rubico, a Marshall Islands–incorporated owner and operator of Suezmax and MR tankers and a megayacht newbuilding it intends to divest, will continue to furnish semi-annual interim statements and file audited annual financial statements on Form 20-F.

Rubico Inc. (RUBI) has a prospectus supplement covering up to 50,000,000 common shares under its Form F-1 registration, updating the document with new information from a September 2026 Form 6-K. The update centers on a newly declared stock dividend and related warrant adjustments.

The board has declared a stock dividend of 0.50 common shares for each common share outstanding, with shareholders of record on September 28, 2026 to receive the additional shares on or about October 5, 2026. No fractional shares will be issued; fractions will be settled in cash at the Nasdaq Capital Market closing price on the Record Date. Under the terms of Rubico’s outstanding warrants, the stock dividend will reduce warrant exercise prices by 33.33% and increase the number of shares issuable on exercise by 50%. Rubico also highlights its current fleet of two Suezmax tankers, contracted MR tanker newbuildings and a megayacht it intends to divest.

Rubico Inc. updated its prospectus covering up to 50,000,000 common shares and incorporated several recent Form 6-K reports. It also entered an at-the-market program allowing sales of up to $25 million of common shares through B. Riley Securities.

Rubico agreed to acquire all shares of an SPV owning a shipbuilding contract for a 47,499 dwt chemical/product tanker for approximately $6.5 million, with a previously paid $0.3 million advance credited at closing by September 30, 2026. The underlying vessel has a seven-year time charter plus four optional years, creating potential gross revenue of about $75.4 million. Sale-and-leaseback financing will cover 85% of the $45.2 million pre-delivery installments at Term SOFR + 1.80%, followed by quarterly payments of $0.5 million over 10 years and an $18.2 million balloon. Management states that this third MR tanker lifts potential gross revenue backlog for newbuildings to about $226.3 million and total contracted backlog, including the operating fleet, to roughly $379.2 million, a 24% increase.

Rubico Inc. plans an at-the-market equity program to sell up to $25,000,000 of common shares, including attached preferred share purchase rights, under a Sales Agreement with B. Riley Securities as sales agent or principal. Sales will be made from time to time as “at the market offerings” on Nasdaq, where Rubico’s shares trade under the symbol RUBI; B. Riley will receive a 3.0% commission on gross proceeds.

Assuming all shares are sold at $2.32, up to 10,775,861 new shares could be issued, for a total of up to 12,567,267 shares outstanding. Net proceeds are earmarked for general corporate purposes, including working capital, debt repayment, funding newbuilding vessel construction and potential vessel acquisitions aligned with Rubico’s tanker-focused shipping strategy.

Rubico Inc. filed a prospectus supplement to its Form F-1 covering up to 50,000,000 common shares, incorporating new disclosures from a recent Form 6-K.

Rubico has terminated a common stock purchase agreement with B. Riley Principal Capital II, LLC that had provided an equity line of credit of up to $30,000,000; approximately $27.1 million of common shares had been sold under this facility before termination.

The company also entered into a letter of intent to potentially acquire a shipowning SPV from related party Top Ships Inc. The SPV holds a contract for a high-specification MR chemical/product tanker delivering in Q2 2029, backed by a 7-year time charter at $18,750 per day and a lease financing agreement covering 85% of the shipbuilding price. Rubico will pay a $0.3 million advance, creditable to the purchase price or refundable if it does not proceed. An independent board committee will evaluate the related-party transaction, the LOI exclusivity runs until July 31, 2026, and there is no assurance the acquisition will be completed.

Rubico Inc. filed a prospectus supplement relating to the offering of up to 50,000,000 common shares. The supplement incorporates a management estimate of net asset value as of June 30, 2026 of $183.1 million, a 94% increase from the previously reported NAV on March 2, 2026.

This estimate equates to NAV of $300.26 per common share based on shares currently outstanding and $72.22 per share on a fully diluted basis, assuming exercise of 669,193 warrants and conversion of all Series G Convertible Preferred Shares. Rubico operates two modern 157,000 dwt Suezmax tankers, has additional MR tanker newbuildings scheduled for 2029, and a 60-meter megayacht slated for 2027 delivery, which it intends to divest for a significant equity release.

Rubico Inc. filed a prospectus supplement updating its F‑1 registration covering up to 15,000,000 common shares, incorporating new asset valuation information from a recent report.

Management now estimates net asset value at $183.1 million as of June 30, 2026, a 94% increase from the previously reported NAV. This equates to $300.26 per common share and $72.22 per share on a fully diluted basis, assuming exercise of all 669,193 warrants and conversion of all Series G Convertible Preferred Shares. Rubico describes a modern tanker fleet with an average age of 5.2 years and a newbuilding pipeline that includes two 47,499 dwt MR tankers and a 60‑meter megayacht it intends to divest to release significant equity.

Rubico Inc. is updating its offering of up to 50,000,000 common shares and reports an agreement to acquire an additional newbuilding MR tanker by purchasing all shares of an SPV from Top Ships Inc. for approximately $6.25 million, payable in full at closing.

The SPV holds a $45.2 million shipbuilding contract for a 47,499 dwt chemical/product oil carrier scheduled for delivery in the third quarter of 2029, backed by a seven‑year time charter with a major oil trader plus four optional years, for total potential gross revenue of about $75.4 million. A sale and leaseback will fund 85% of installment payments at Term SOFR plus 1.80%, with $0.5 million quarterly installments over 10 years and an $18.2 million balloon.

Following this transaction, total potential gross revenue backlog from Rubico’s two newbuilding MR tankers is approximately $151.0 million, and including time charters for the operating fleet, total potential gross revenue backlog—including optional years—rises by 33% to about $304.6 million. For 2025, Rubico reported net income of $2.6 million, total assets of $134.1 million and stockholders’ equity of $45.8 million.

Rubico Inc.’s F-1 prospectus, covering up to 15,000,000 common shares, is supplemented with new information on a tanker-focused growth transaction. Rubico agreed to buy all shares of an SPV from Top Ships Inc. for approximately $6.25 million, gaining rights to a 47,499 dwt Newbuilding MR Tanker scheduled for delivery in the third quarter of 2029.

The SPV has a seven-year time charter, plus four optional years, with a major oil trader, providing total potential gross revenue backlog of about $75.4 million. A sale and leaseback finances 85% of shipbuilding installments at Term SOFR plus 1.80%, with quarterly $0.5 million payments over 10 years and an $18.2 million balloon. Rubico estimates total potential gross revenue backlog, including optional years and its operating fleet, at approximately $304.6 million, a 33% increase. Management highlights 2025 net income of $2.6 million, total assets of $134.1 million and stockholders’ equity of $45.8 million.

Rubico Inc. filed a prospectus supplement relating to the registration of up to 50,000,000 common shares and concurrently reported a plan to exit the megayacht sector.

The company intends to sell its 60-meter, 1,150 gross ton newbuilding megayacht, scheduled for delivery in the second quarter of 2027, either by selling the vessel or the entity holding the shipbuilding contract. Based on independent estimates, management believes a sale could generate €30–35 million (about $34.2–40 million) of gross cash proceeds and eliminate a remaining capital commitment of €26.5 million ($30.2 million). The CEO states that a divestment at current market levels could result in a meaningful equity release, multiple to Rubico’s current market capitalization, and allow capital to be redeployed toward its core tanker business, although completion, terms and use of proceeds remain uncertain.

Rubico Inc. has a prospectus covering up to 15,000,000 common shares; this supplement incorporates new information about its fleet strategy. Rubico has decided to seek a divestment of its 60-meter newbuilding megayacht and exit the megayacht sector, aiming to redeploy released capital toward its core tanker business.

The company cites independent market estimates indicating a potential sale could generate €30 to €35 million (about $34.2 to $40 million in gross cash proceeds and eliminate a remaining €26.5 million ($30.2 million) capital commitment. Management believes a sale at current market levels could provide a meaningful equity release, multiple to the company’s current market capitalization, but there is no assurance a transaction will be completed, or how any net proceeds would ultimately be used.

Rubico Inc. has a prospectus supplement updating its existing registration statement covering up to 50,000,000 common shares. The supplement incorporates information from a recent report describing shareholder actions.

At a special meeting on July 9, 2026, shareholders approved amendments to the Amended and Restated Articles of Incorporation to permit one or more reverse stock splits of the company’s common shares at a cumulative exchange ratio between one-for-two and one-for-250. The board of directors has sole discretion over whether to implement any reverse split, as well as its specific timing and ratio, provided any such reverse split is implemented on or before January 15, 2027. The Form 6-K containing these details is incorporated by reference into both the company’s F-1 registration and its Form F-3.

Rubico Inc. filed a prospectus supplement linked to its Form F-1 registration, covering an offering of up to 15,000,000 common shares. The supplement adds information from a recent Report of Foreign Private Issuer describing shareholder approval of amendments to the Amended and Restated Articles of Incorporation permitting one or more reverse stock splits at a cumulative exchange ratio between one-for-two and one-for-250. The board of directors may, in its sole discretion, decide whether to implement a reverse split, select the specific ratio within this range, and file the corresponding amendment on or before January 15, 2027.

Rubico Inc. filed a prospectus supplement registering up to 50,000,000 Common Shares under its Form F-1 registration statement.

The supplement incorporates Form 6-K disclosures that the board approved a 1-for-25 reverse stock split effective June 26, 2026, reducing issued common shares from 15,126,008 to approximately 605,040. The company also entered an inducement letter to reduce the exercise price of outstanding Class C warrants exercisable for 7,894,740 common shares to $0.65, expects net proceeds of approximately $4.8M from those exercises, and will issue Class D warrants exercisable for up to 15,789,480 common shares. A Special Meeting of Shareholders is scheduled for July 9, 2026 (record date June 17, 2026) to approve reverse-split authorizations.

Rubico Inc. filed a Prospectus Supplement No. 17 registering up to 15,000,000 Common Shares and furnished Form 6-Ks attaching a press release and Articles of Amendment. The Board implemented a 1-for-25 reverse stock split effective at the opening of trading on June 26, 2026, reducing issued common shares from 15,126,008 to approximately 605,040.

The company entered a warrant inducement agreement to have holders exercise Class C warrants exercisable for up to 7,894,740 common shares at a reduced exercise price of $0.65, producing expected net proceeds of approximately $4.8 million. Exercising holders will receive private placement Class D warrants exercisable for an aggregate of 15,789,480 common shares at $0.65 per share, expiring five years after issuance. The filing states an expected post-transaction outstanding share count of 15,670,898.

Rubico Inc. registered up to 5,263,160 Units (each Unit = one Common Share or one Pre-funded Warrant plus 1.5 Class C Warrants) pursuant to a prospectus supplement dated May 26, 2026.

The Company closed an Offering of 5,263,160 Units that issued 750,000 Common Shares, Pre-funded Warrants to purchase 4,513,160 Common Shares and Class C Warrants to purchase 7,894,740 Common Shares, generating aggregate gross proceeds of approximately $5.0 million. Immediately after closing, the Company reported 3,262,998 Common Shares issued and outstanding.

Rubico Inc. filed a Prospectus Supplement registering up to 50,000,000 Common Shares under its Form F-1 registration statement. The supplement attaches a Form 6-K describing a closed public offering of 5,263,160 Units and related warrants, and updates risk factors about potential dilution from future equity issuances.

The Form 6-K discloses that the Offering generated approximately $5.0 million gross proceeds, that 750,000 Common Shares, pre-funded warrants to purchase 4,513,160 Common Shares, and Class C Warrants to purchase 7,894,740 Common Shares were issued, and that 3,262,998 Common Shares were outstanding immediately after the closing. The supplement also summarizes outstanding convertible preferred shares and registered resale/Equity Line arrangements.

Rubico Inc. is registering up to 5,263,160 Units in a best-efforts primary offering, each Unit consisting of one Common Share (or one Pre-funded Warrant in limited cases) and one-and-one-half Class C Warrants, at a public offering price of $0.95 per Unit. The offering is expected to settle on May 21, 2026, subject to customary closing conditions.

The prospectus states an estimated net proceeds to the issuer of approximately $4.5 million after Placement Agent fees and expenses and notes this is a best-efforts offering with no minimum; actual proceeds may be materially less. The filing also registers Common Shares issuable upon exercise of Class C Warrants, Placement Agent Warrants (equal to 5% of securities sold) and Pre-funded Warrants, and reports 7,776,158 Common Shares would be outstanding immediately after this offering under the stated assumptions.

Rubico Inc. has registered 50,000,000 Common Shares for resale by B. Riley Principal Capital II, LLC. These shares relate to a committed purchase agreement under which Rubico may, at its option, sell up to $50.0 million of Common Shares to the purchaser; the company will not receive proceeds from secondary resales but may receive proceeds from sales it elects to make to the purchaser under the Purchase Agreement, subject to the Commencement conditions. Purchases are priced at 97% of VWAP for each purchase period, include Intraday Purchases, and are limited by a 4.99% beneficial ownership cap. Shares outstanding were 767,786 as of April 30, 2026.

Rubico Inc. files a Prospectus Supplement registering up to 15,000,000 Common Shares. The supplement attaches a Form 6-K disclosing a Common Share Purchase Agreement with B. Riley Principal Capital II that permits Rubico to sell up to $50.0 million of common shares over a 36-month period following commencement. The agreement caps any single purchaser’s ownership at 4.99%, prices purchases at 97% of VWAP (with a $1.00 per-share floor), and provides for a 1% commitment fee (partial payment of $150,000 already made). An Initial Registration Statement was filed to register 50,000,000 Common Shares for resale by B. Riley; effectiveness is required before sales may occur.

Rubico Inc. files a Prospectus Supplement and furnished a Form 6-K to disclose a 1-for-10 reverse stock split of its common shares, effective at the opening of trading on April 9, 2026. The reverse split will reduce issued and outstanding shares from 7,573,572 to approximately 757,356, with cash paid for fractional shares based on the closing price on April 8, 2026. The supplement also references registration capacity of up to 15,000,000 Common Shares in the prospectus supplement. The company states the split is intended to increase the market price and assist compliance with Nasdaq listing standards.

Rubico Inc. filed a Prospectus Supplement registering up to 15,000,000 common shares. The supplement attaches a Form 6-K with a press release stating management's estimate of net asset value of $94.2 million as of December 31, 2025, or $22.88 per common share (basic) and $15.08 per share fully diluted assuming exercise of 2,128,854 outstanding warrants. The release notes the company owns two 157,000 dwt Suezmax tankers with an average fleet age of about five years and that existing time charters generate positive cash flow with fixed periods expiring in Q1 2031.

Rubico Inc. files a prospectus supplement registering 75,000 common shares for resale by selling shareholders. Management also published a NAV estimate of $94.2 million, or $22.88 per common share and $15.08 fully diluted (assuming exercise of all 2,128,854 outstanding warrants).

The company states its two modern 157,000 dwt Suezmax tankers have an average age of about five years and that time charters generate positive cashflow until their fixed period expires in Q1 2031. The CEO noted the shares trade at a 94.4% discount to fully diluted NAV.

Rubico Inc. files a Prospectus Supplement registering 12,315,270 Units, each unit consisting of one common share or one pre-funded warrant and one Class A warrant, and registering 615,763 Representative Warrants.

Management also furnished a press release reporting a management estimate of net asset value of $94.2 million as of December 31, 2025, equal to $22.88 per common share on an outstanding-share basis and $15.08 per common share on a fully diluted basis assuming exercise of 2,128,854 outstanding warrants and pre-funded warrants. The CEO is quoted saying the company is trading at a 94.4% discount to its fully-diluted NAV estimate.

Rubico Inc. files a Prospectus Supplement registering 6,666,666 Units and 333,333 Placement Agent Warrants under its Form F-1 registration statement. The supplement incorporates a Form 6-K that attaches a March 2, 2026 press release in which management estimates net asset value (NAV) of $94.2 million as of December 31, 2025, equal to $22.88 per common share on a basic basis and $15.08 per share on a fully diluted basis assuming exercise of 2,128,854 outstanding warrants and pre-funded warrants. The press release states the fleet comprises two 157,000 dwt Suezmax tankers and that time charters run through Q1 2031.

Rubico Inc. files a Prospectus Supplement registering a primary offering of 6,666,666 Units and 333,333 Placement Agent Warrants, and furnishes Form 6-K disclosures updating the registry with recent transactions.

The company reports it sold 3,492,273 Common Shares under an Equity Line on February 19, 2026, raising issued Common Shares to 4,059,924 Common Shares as of February 20, 2026. It also agreed to acquire 100% of an SPV owning a 47,499 dwt MR product/chemical tanker for a $4.2 million purchase price, subject to closing conditions and lease financing, with vessel delivery scheduled in 2029.

Rubico Inc. files a Prospectus Supplement registering 12,315,270 Units and 615,763 Representative Warrants under its Form F-1 registration, each Unit consisting of one Common Share or one Pre-funded Warrant and one Class A Warrant.

The supplement incorporates Form 6-K disclosures describing an equity line sales update (3,492,273 Common Shares sold under an Equity Line), the proposed acquisition of a vessel-owning SPV for $4.2 million with a secured time-charter producing a potential gross revenue backlog of about $75 million, and the form and terms of Series G Perpetual Convertible Preferred Shares.

Rubico Inc. registers 75,000 Common Shares for resale by selling shareholders via a Prospectus Supplement dated February 23, 2026.

The supplement incorporates two Form 6-K disclosures: an Equity Line placement that increased Common Shares issued and outstanding to 4,059,924 as of February 20, 2026, and a Share Purchase Agreement to acquire an SPV owning a 47,499 dwt MR product/chemical tanker scheduled for delivery in 2029 for a purchase price of $4.2 million. The SPA contemplates lease financing covering about 85% of pre-delivery installments (aggregate pre-delivery installments $45.2 million) and time charter employment with potential gross revenue backlog of about $75 million.

Rubico Inc. files a prospectus supplement registering up to 15,000,000 Common Shares under its September 19, 2025 prospectus.

The supplement attaches two Form 6-Ks that disclose: (1) sale of 3,492,273 Common Shares under the company’s Equity Line, increasing issued and outstanding Common Shares to 4,059,924 as of February 20, 2026; (2) a Share Purchase Agreement to buy 100% of a vessel-owning SPV for $4.2 million, tied to a Guangzhou Shipyard newbuilding scheduled for delivery in 2029 and subject to financing and customary closing conditions. The SPA contemplates lease financing equal to 85% of pre-delivery installments of $45.2 million, expected financings at Term SOFR plus 1.80%, and projected quarterly installments of $0.5 million over 10 years with an $18.2 million balloon. The seller secured a time charter with a major oil trader for seven firm years plus options, creating a potential gross revenue backlog of about $75 million. The SPA permits payment in newly issued Series G Perpetual Convertible Preferred Shares; the supplement describes Series G conversion mechanics, a 15% annual dividend, voting equating to 1,000 votes per Series G share with a 19.99% voting cap, transfer restrictions until March 15, 2028, and other customary terms.

Rubico Inc. files a prospectus supplement related to its registration of 12,315,270 units and associated warrants, and updates investors with a reverse stock split decision. The company will implement a 1-for-7.8 reverse stock split of its common shares, effective at the opening of trading on February 12, 2026, with shares continuing to trade on Nasdaq under “RUBI.”

Every 7.8 issued and outstanding common shares will convert into 1 share, with no change to par value or the total number of authorized shares. Outstanding shares will move from 3,979,412 as of February 10, 2026 to approximately 510,180, subject to fractional share adjustments. No fractional shares will be issued; instead, holders receive cash based on the February 11, 2026 closing price. The company states the reverse split is intended to increase its share price and help maintain compliance with Nasdaq’s continued listing requirements, without changing ownership percentages, market capitalization, or voting rights apart from fractional share treatment.

Rubico Inc. has registered 6,666,666 units and 333,333 placement agent warrants, with additional common shares underlying pre-funded, Class B and placement agent warrants, and is now implementing a reverse stock split of its common shares. The board approved a 1-for-seven-and-eight-tenths reverse stock split, effective at the opening of trading on February 12, 2026, with Rubico’s shares continuing to trade on Nasdaq under the symbol “RUBI.” As of February 10, 2026, 3,979,412 common shares were outstanding, which will be reduced to approximately 510,180 shares, subject to adjustment for fractional-share cash payments. The reverse split does not change authorized share counts, voting rights, or ownership percentages, and is intended to increase the market price of Rubico’s common stock to help maintain compliance with Nasdaq’s continued listing requirements.

Rubico Inc. has issued a prospectus supplement covering 75,000 common shares offered for resale by selling shareholders, and at the same time reports a 1‑for‑7.8 reverse stock split of its common shares.

The reverse split will be effective at the opening of trading on February 12, 2026, when Rubico’s shares will begin trading on a split‑adjusted basis on Nasdaq under the symbol RUBI. Every 7.8 issued and outstanding common shares will automatically convert into 1 share, with no change to the par value or the total number of authorized shares.

As of February 10, 2026, Rubico had 3,979,412 common shares outstanding, which will be reduced to approximately 510,180 shares, adjusted for the cancellation of fractional shares. Holders entitled to fractional shares will receive cash instead, based on the closing price on February 11, 2026. The company states the reverse split is intended to increase its share price and help maintain compliance with Nasdaq’s continued listing requirements.

Rubico Inc. filed a prospectus supplement covering up to 15,000,000 common shares under its existing Form F-1 and incorporating a new Form 6-K. The filing highlights an amendment to its Articles of Incorporation and a recently announced reverse stock split.

The Board approved a 1-for-7.8 reverse stock split of issued common shares, effective at the opening of trading on February 12, 2026, with Rubico continuing to trade on Nasdaq under “RUBI.” Issued and outstanding common shares will be consolidated from 3,979,412 to approximately 510,180 shares, with cash paid instead of fractional shares. The company states the reverse split is intended to increase its share price and help maintain compliance with Nasdaq listing requirements.

Rubico Inc. filed a prospectus supplement updating its existing F-1 prospectus for an offering of 6,666,666 units and 333,333 placement agent warrants. Each unit consists of either one common share or one pre-funded warrant plus one and one-half Class B warrants, with up to 6,666,666 common shares underlying the pre-funded warrants, up to 9,999,999 common shares underlying the Class B warrants, and up to 333,333 common shares underlying the placement agent warrants. The supplement incorporates the company’s latest Form 6-K, which reports that shareholders at the January 15, 2026 annual meeting approved three proposals. The document reminds investors that these securities involve a high degree of risk and refers readers to the risk factors in the main prospectus.

Rubico Inc. filed a new prospectus supplement tied to its existing Form F-1 registration, covering 12,315,270 units and 615,763 representative warrants, along with the common shares underlying related pre-funded, Class A and representative warrants. The supplement updates the prior prospectus by incorporating the company’s latest Report on Form 6-K.

The attached Form 6-K notes that Rubico held its Annual Meeting of Shareholders on January 15, 2026, where shareholders approved and adopted three proposals. The supplement must be read together with the original prospectus, and the company reiterates that investing in its securities involves a high degree of risk as described in the risk factors section of the base prospectus.

Rubico Inc. filed a prospectus supplement tied to its existing Form F-1 registration, covering the resale of 75,000 common shares offered by selling shareholders. The supplement adds information from a Report on Form 6-K furnished on January 16, 2026, which is attached to the document.

The Form 6-K notes that Rubico held its Annual Meeting of Shareholders on January 15, 2026, where shareholders approved and adopted three proposals. The supplement must be read together with the original prospectus, and investors are directed to the prospectus risk factors before considering any investment.

Rubico Inc. has filed Prospectus Supplement No. 11 to its Form F-1 registration statement, covering up to 15,000,000 common shares. The supplement updates the existing prospectus by incorporating information from a Form 6-K furnished on January 16, 2026, which reports that shareholders held an Annual Meeting on January 15, 2026 and approved three proposals. The company reiterates that investing in its securities involves a high degree of risk and directs readers to the risk factors section of the main prospectus.

Rubico Inc. filed a prospectus supplement covering the resale of 75,000 common shares by selling shareholders and attaching a Form 6-K that details a recent capital raise.

On January 12, 2026, the company closed a public offering of 6,666,666 units at a public offering price of $0.60 per unit, generating approximately $4.0 million in gross proceeds before placement agent fees and expenses. Each unit includes one common share or a pre-funded warrant plus one and one-half Class B warrants, and the placement agent received additional warrants equal to 5.0% of the common shares and pre-funded warrants sold.

The filing also updates investors on outstanding instruments, including pre-funded warrants to purchase 6,271,666 common shares, Class B warrants to purchase 9,999,999 common shares, and placement agent warrants to purchase 333,333 common shares, and adds risk factors about potential dilution from future equity issuances, significant share price volatility, and the possibility of trading dynamics such as rapid price swings and short squeezes.

Rubico Inc. has an F-1 registration covering up to 15,000,000 common shares and is updating it with details of a recent public unit offering. The company closed an offering of 6,666,666 units, each priced at $0.60 and consisting of one common share (or a pre-funded warrant) plus one and one-half Class B warrants, generating approximately $4.0 million in gross proceeds before fees.

Following the closing, Rubico reports 3,979,452 common shares outstanding, along with pre-funded warrants for 6,271,666 shares, Class B warrants for 9,999,999 shares, and placement agent warrants for 333,333 shares. New supplemental risk factors highlight potential dilution from future equity issuances, significant share price volatility, and the possibility of short squeezes that could cause sharp, unpredictable price swings.

Rubico Inc. has a prospectus supplement covering the resale of 75,000 common shares by selling shareholders, and updates that document with a Form 6-K containing proxy materials for the 2026 annual meeting.

The meeting is set for January 15, 2026 in Athens, with holders of record on December 5, 2025 entitled to vote. As of that date, Rubico had 2,334,186 common shares and 100,000 Series D preferred shares outstanding, with one vote per common share and 1,000 votes per Series D share voting together as a single class.

Shareholders will vote on three proposals: electing two Class A directors, ratifying Deloitte Certified Public Accountants S.A. as auditor for 2026, and approving amendments that would allow the board, at its discretion, to carry out one or more reverse stock splits of the common shares at cumulative ratios between 1‑for‑2 and 1‑for‑250 before August 1, 2028. The board notes it already effected a 1‑for‑30 reverse split on December 2, 2025 under an existing authorization and wants to preserve and expand this flexibility, mainly to support Nasdaq minimum bid price requirements and potential trading liquidity. No fractional shares would be issued in any split; instead, affected holders would receive cash for fractional interests.

Rubico Inc. has filed a prospectus supplement covering up to 15,000,000 common shares under its existing Form F-1 registration and is attaching its 2026 annual meeting proxy materials. The meeting is scheduled for January 15, 2026 in Athens, Greece, with holders of 2,334,186 common shares and 100,000 Series D preferred shares of record as of December 5, 2025 entitled to vote, with one vote per common share and 1,000 votes per preferred share. Shareholders will vote on electing two Class A directors, ratifying Deloitte Certified Public Accountants S.A. as independent auditors for the fiscal year ending December 31, 2026, and approving amendments that would allow the board, through August 1, 2028, to implement one or more reverse stock splits of the common shares at cumulative ratios between one-for-two and one-for-250 to help support the Nasdaq Capital Market $1.00 minimum bid price requirement and potential trading liquidity.

Rubico Inc. files a prospectus supplement covering 12,315,270 units and 615,763 representative warrants, updating the related prospectus to include a Form 6-K with proxy materials for its 2026 Annual Meeting of Shareholders. The meeting is set for January 15, 2026 in Athens, Greece, with a record date of December 5, 2025, when 2,334,186 common shares and 100,000 Series D preferred shares were outstanding, voting together as a single class, with 1 vote per common share and 1,000 votes per Series D share. Shareholders will vote on electing two Class A directors, ratifying Deloitte Certified Public Accountants S.A. as independent auditors for the fiscal year ending December 31, 2026, and approving one or more reverse stock splits of the common shares at cumulative ratios between one-for-two and one-for-250, effective at the Board’s discretion before August 1, 2028. Any reverse split would leave authorized common shares at 1,000,000,000, replace fractional shares with cash, and is intended to support the share price and Nasdaq Capital Market listing.

Rubico Inc. is offering 12,315,270 Units and 615,763 Representative Warrants under a prospectus that this supplement updates with new share and warrant information from a recent Form 6-K. The Units each consist of one common share or one pre-funded warrant to purchase one common share and one Class A warrant to purchase one common share.

As of November 19, 2025, the Company had 60,788,087 common shares issued and outstanding, reflecting shares issued after the recent public offering and warrant exercises. At that date, 164,600 Class A Warrants remained outstanding and no Representative Warrants remained outstanding. If all remaining Class A Warrants are exercised on a zero cash basis, an additional 658,400 common shares would be issued. The supplement also reiterates the Company’s detailed cautionary note on forward-looking statements.

Rubico Inc. has a resale registration covering 75,000 common shares offered by selling shareholders under a prospectus supplement to its Form F-1.

As of November 19, 2025, the company had 60,788,087 common shares outstanding, including shares issued from its recent public offering and related warrant exercises. As of the same date, 164,600 Class A Warrants remained outstanding, which could add 658,400 common shares if exercised on a zero cash basis, showing how warrant exercises may change Rubico’s total share count.

Rubico Inc. has a prospectus supplement covering the registration of up to 15,000,000 common shares and updating its disclosure with recent share and warrant data from a Form 6-K.

As of November 19, 2025, the company had 60,788,087 common shares issued and outstanding, including shares issued from earlier warrant exercises tied to a recent public offering. On the same date, 164,600 Class A Warrants remained outstanding.

If all remaining Class A Warrants are exercised on a zero cash basis, Rubico Inc. would issue an additional 658,400 common shares. The filing also reiterates standard forward-looking statement cautions regarding expectations for the common shares and Class A Warrants.