0001943421 2026-07-06 2026-07-06 0001943421 1 2026-07-06 2026-07-06 iso4217:USD pure F-1 F-1MEF EX-FILING FEES 333-288796 0001943421 Rubico Inc. N/A N/A F-1 Rubico Inc. false Equity Shares of common stock, par value US$0.01 per share true 0.00 0.0001381 0.00 0.00 0.00 0.00 0.00 0.00 Including related preferred stock purchase rights. Preferred stock purchase rights are not currently separable from the shares of common stock and are not currently exercisable. The value attributable to the preferred stock purchase rights, if any, will be reflected in the market price of the shares of common stock.