Welcome to our dedicated page for Rubico SEC filings (Ticker: RUBI), 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.
The Rubico Inc. (RUBI) SEC filings page on Stock Titan provides access to the company’s regulatory reports as a foreign private issuer, along with AI‑generated explanations of key documents. Rubico files annual reports on Form 20‑F and current reports on Form 6‑K with the U.S. Securities and Exchange Commission, covering its operations as an international owner and operator of modern, fuel efficient ECO Suezmax tankers.
Recent Form 6‑K filings include public offering disclosures that describe the terms of Rubico’s registered unit offerings of common shares and warrants under effective Form F‑1 registration statements. These filings set out warrant exercisability, reset price mechanics, zero cash exercise options, exercise limitations, and the potential number of additional common shares issuable upon exercise. Rubico has also used Form 6‑K to update the market on the number of common shares issued and outstanding after offerings and warrant exercises.
Other 6‑K reports incorporate press releases on fleet refinancing, time charter extensions, and contracted revenue backlog for the company’s two 157,000 dwt Suezmax tankers, as well as details of sale and leaseback financing agreements with a major Chinese financier, bareboat charter back terms, purchase obligations, and financial covenants such as leverage ratio limits and minimum liquid funds requirements.
Rubico’s filings further include governance and financial reporting materials, such as proxy materials for its annual meeting of shareholders and management’s discussion and analysis with unaudited interim condensed combined carve‑out financial statements. Extensive risk factor discussions address charter rate volatility, customer relationships, regulatory changes, stock price fluctuations, small‑capitalization trading dynamics, and potential Nasdaq listing concerns.
On Stock Titan, users can review these Rubico filings as they are made available through EDGAR and rely on AI‑powered summaries to highlight important terms, capital structure changes, risk disclosures, and vessel financing details, helping to interpret lengthy documents like 20‑F annual reports and multi‑section 6‑K updates.
Rubico Inc. filed a Form 3 insider report for Ornithopoulou Kalliopi, who is identified as President, Chairwoman, CEO, and a director of the company. The filing lists no reported transactions, with buy, sell, acquire, and dispose share counts all shown as zero.
Rubico Inc. director Xiradakis Georgios filed an initial Form 3, which is the mandatory insider ownership report when someone becomes a director or other key insider. This filing lists him as a director but shows no reported stock transactions or holdings in the available data.
Rubico Inc. files a post-effective amendment registering up to 9,034,422 common shares for resale under its committed equity facility.
The amendment covers the resale of up to 9,034,422 Common Shares by B. Riley Principal Capital II, LLC pursuant to a Purchase Agreement that permits the company to sell up to $30.0 million of Common Shares in its sole discretion; the company has received $18.8 million in gross proceeds under that agreement as of the date of this prospectus. The registered resale shares were issued or may be issued to the Selling Shareholder and the company will not receive proceeds from resales by the Selling Shareholder. The prospectus states there were 7,573,572 Common Shares outstanding as of the date of the prospectus and lists the Nasdaq symbol as RUBI with a last reported sale price of $0.59 on March 26, 2026.
Rubico Inc., a Marshall Islands company listed on Nasdaq, files its annual report describing a small, highly focused tanker business spun off from Top Ships Inc. It currently operates two Suezmax crude tankers, both on time charters to Clearlake Shipping, and had 385,501 common shares and 100,000 Series D preferred shares outstanding as of December 31, 2025.
The report emphasizes that tanker markets are cyclical and heavily affected by wars, sanctions, trade tensions, pandemics, inflation and interest-rate shifts. Rubico details extensive environmental and climate rules, new EU emissions schemes, and cybersecurity obligations that can raise costs.
Company‑specific risks include $83.6 million of debt, sale‑leaseback covenants, reliance on a single charterer and two vessels, and exposure to SOFR rate volatility. Rubico outlines growth plans through a newbuilding MR tanker and a megayacht project, both tied to Chinese lessors and potentially affected by evolving U.S.–China port fee regimes.
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. provides a management estimate of net asset value of $94.2 million as of December 31, 2025. This equals $22.88 per common share based on current shares outstanding, and $15.08 per share on a fully diluted basis assuming exercise of 2,128,854 outstanding warrants and prefunded warrants.
The CEO states the shares were trading at a 94.4% discount to the current estimate of fully diluted NAV at the latest market close. Rubico owns and operates two modern, fuel‑efficient, eco 157,000 dwt Suezmax tankers with an average age of about five years. Time charters with high quality customers have been generating positive cashflow and income, and management expects this to continue until their fixed period expires in 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.