Core Viewpoint - Rubico Inc (RUBI) has announced a public offering of 6,666,666 units, each consisting of one share of common stock and 1.5 Class B Warrants, at a price of $0.60 per unit [1] Group 1: Offering Details - The public offering price is set at $0.60 per unit, which includes one share of common stock and 1.5 Class B Warrants [1] - Each Class B Warrant is immediately exercisable for one share of common stock at an exercise price of $0.60 per share and will expire five years after issuance [1] - The gross proceeds from the offering are expected to be approximately $4 million before deducting fees and expenses [1] Group 2: Closing and Agents - The offering is anticipated to close on or about January 12, subject to customary closing conditions [1] - Maxim Group is acting as the sole placement agent for this offering [1]

As filed with the U.S. Securities and Exchange Commission on December 31, 2025. Registration No. 333-292077 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to Form F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Rubico Inc. (Exact name of Registrant as specified in its charter) Republic of the Marshall Islands (State or other jurisdiction of incorporation or organization) 4412 (Primary Standard Industrial Classification Code Number) N/A (I.R.S. Employer Id ...