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 prospectus supplement for the resale of 75,000 common shares by selling shareholders, to be used with its September 19, 2025 prospectus.
Separately, on November 6, 2025, Rubico closed an underwritten public offering of 12,315,270 units at $0.609 per unit, each unit including one common share and a one-year Class A warrant. Gross proceeds were approximately $7.5 million before fees. The underwriters received a 45‑day over-allotment option, and 1,847,290 Warrants were purchased under that option. Representative Warrants equal to 5.0% of shares sold (615,763) were issued.
Rubico reported 17,612,636 common shares outstanding as of November 6, 2025. The Warrants are immediately exercisable, include reset prices to $0.4263 on the 4th trading day and $0.3045 on the 8th trading day with proportional share increases, and permit a zero cash exercise. If all outstanding Warrants and Representative Warrants were exercised on a zero cash basis after the second reset, a maximum of 59,113,292 additional shares could be issued. The company highlights potential substantial dilution and volatility, including Nasdaq listing risks.
Rubico Inc. filed a Prospectus Supplement covering up to 15,000,000 Common Shares, updating investors with details from a recent offering and new risk disclosures. On November 6, 2025, the company closed an underwritten public offering of 12,315,270 units at $0.609 per unit, each unit including one common share and one one‑year Class A Warrant. Gross proceeds were approximately $7.5 million before fees and expenses.
The underwriters received a 45‑day option for up to 1,847,290 additional common shares and/or warrants, and partially exercised the option for 1,847,290 warrants. Representative Warrants equal to 5.0% of shares sold (615,763 shares) were issued. Following closing, 17,612,636 common shares were outstanding as of November 6, 2025. Warrants are immediately exercisable with reset prices to $0.4263 (4th trading day) and $0.3045 (8th trading day), and include a zero cash exercise option that can increase share issuance. If all outstanding investor and Representative Warrants are exercised on a zero cash basis after the second reset date, a maximum of 59,113,292 additional shares could be issued. The company also warned of potential share price volatility and possible Nasdaq actions due to the highly dilutive warrant structure.
Rubico Inc. closed a firm commitment underwritten public offering of 12,315,270 units at $0.609 per unit, each unit consisting of one common share and one one-year Class A warrant. The transaction, registered on Form F-1 effective November 4, 2025, generated aggregate gross proceeds of approximately $7.5 million before fees.
The underwriters received a 45-day over-allotment option for up to 1,847,290 additional common shares and/or 1,847,290 warrants; on November 6, they partially exercised the option for 1,847,290 warrants. Maxim Group also received representative warrants equal to 5.0% of common shares sold, resulting in 615,763 representative warrants at closing.
The warrants are immediately exercisable, feature reset prices to $0.4263 on the 4th trading day and $0.3045 on the 8th trading day after closing, and include cashless and zero cash exercise features with proportional share increases on reset. As of November 6, 2025, 17,612,636 common shares were outstanding. Warrants to purchase 14,162,560 shares and representative warrants to purchase 615,763 shares were issued; if all such warrants are exercised on a zero cash basis after the second reset date, a maximum of 59,113,292 shares could be issued without additional cash to the company.
Rubico Inc. launched a firm-commitment underwritten public offering of 12,315,270 Units at $0.609 per Unit. Each Unit includes one Common Share (or a Pre‑funded Warrant in lieu of a share, subject to 4.99%/9.99% beneficial ownership caps) and one Class A Warrant.
The Warrants are immediately exercisable, carry a one‑year term, feature reset prices to $0.4263 on the 4th trading day and $0.3045 on the 8th, and permit a zero cash exercise that can deliver twice the shares of a cash exercise; the company states it does not expect to receive funds upon Warrant exercise. Net proceeds are estimated at ~$6.8 million (~$7.8 million with full over‑allotment). An over‑allotment option covers up to 1,847,290 additional Common Shares and/or Warrants.
Common Shares outstanding would be 17,612,636 after the offering (no Pre‑funded Warrants sold and no exercises). The Lax Trust holds Series D Preferred Shares representing 97.0% of total voting power; together with related holders, aggregate voting power may be 98.6%. The prospectus highlights risks, including potential Nasdaq trading halts or delisting.
Rubico Inc. filed Amendment No. 3 to its Form F-1 as an exhibits-only update. The amendment states that the main prospectus remains unchanged and this filing adds exhibits, consents, and signatures.
Part II notes a prior private placement completed on June 23, 2025: the company sold 75,000 Common Shares at $20.00 per share for $1.5 million in gross proceeds. Purchasers received customary registration rights and agreed to a 45-day lock-up on resale following the commencement of trading of the Common Shares on an exchange. The private placement closed concurrently with the Spin-Off distribution.
Rubico Inc. filed Amendment No. 2 to its Form F‑1 for a firm‑commitment underwritten public offering of 3,846,153 Units, each consisting of one common share (or one pre‑funded warrant) and one Class A Warrant, plus 192,307 Representative Warrants, and the related underlying shares (including up to 3,846,153 from pre‑funded warrants, up to 15,384,612 from Class A Warrants, and up to 769,228 from Representative Warrants).
The assumed price is $1.95 per Unit, with the actual price set to the Nasdaq Official Closing Price immediately before effectiveness. Warrants are immediately exercisable, have a one‑year term, include resets on the 4th and 8th trading days to 70% and 50% of the initial exercise price (floor $0.10) with proportional share increases, and feature a zero cash exercise option; the company states it does not expect to receive cash proceeds from warrant exercises. An over‑allotment option covers up to 576,922 additional common shares and/or 576,922 additional warrants.
Estimated net proceeds are $6.8 million (or $7.8 million with the over‑allotment), intended for general corporate purposes, including working capital, debt repayments, and fleet expansion. Pre‑funded warrants and warrants carry beneficial ownership caps of 4.99% (or at the holder’s election, 9.99%). Common shares outstanding would be 7,028,923 immediately after the offering under stated assumptions.
Rubico Inc. filed a Form 6-K as a foreign private issuer, providing investors with updated financial discussion and interim financial statements. The report includes Management's Discussion and Analysis of Financial Condition and Results of Operations and unaudited interim condensed combined carve-out financial statements for the six months ended June 30, 2025.
The company also includes an extensive cautionary note on forward-looking statements, explaining that expectations about future performance are based on assumptions subject to significant uncertainties and risks. Rubico emphasizes that actual results may differ materially from these statements and that it has no obligation to update them except as required by law.