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 As filed with the U.S. Securities and Exchange Commission on August 20, 2025. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to Form F-1 incorporation or organization) 4412 (Primary Standard Industrial N/A (I.R.S. Employer Identification No.) Classification Code Number) 20 Iouliou K ...

Core Viewpoint - TOP Ships Inc. has announced the approval of Rubico Inc.'s application to list its common shares on the Nasdaq Capital Market, marking a significant step in the company's spin-off strategy [1][2]. Group 1: Spin-off Details - The distribution of Rubico common shares to TOP Ships securityholders is expected to occur within July 2025, with the exact date to be announced later [2]. - Rubico's common shares will begin trading on the Nasdaq Capital Market under the ticker "RUBI" on the first trading day following the distribution [2]. - The spin-off involves two vessels, the M/T Eco Malibu and M/T Eco West Coast, both modern, high specification, scrubber-fitted, and fuel-efficient 157,000 dwt Suezmax tankers [3]. Group 2: Regulatory Filings - Rubico has filed a registration statement on Form 20-F with the SEC, providing detailed information regarding the spin-off [4]. - The registration statement is accessible on the SEC's website, ensuring transparency and compliance with regulatory requirements [4]. Group 3: Company Overview - TOP Ships Inc. operates as an international owner and operator of ocean-going vessels, focusing on modern, fuel-efficient eco tanker vessels that transport crude oil, petroleum products, and bulk liquid chemicals [5].