X0708 D LIVE 0001943421 Rubico Inc. 20 IOULIOU KAISARA STR PAIANIA, ATHENS J3 GREECE 19002 +30 210 812 8107 MARSHALL ISLANDS None Central Tactical Acquisitions Inc. Corporation true 2022 Kalliopi Ornithopoulou 20 Iouliou Kaisara Str Paiania, Athens J3 GREECE 19002 Executive Officer Director Nikolaos Papastratis 20 Iouliou Kaisara Str Paiania, Athens J3 GREECE 19002 Executive Officer Director Aristovoulos Christinis 20 Iouliou Kaisara Str Paiania, Athens J3 GREECE 19002 Director George Xiradakis 20 Iouliou Kaisara Str Paiania, Athens J3 GREECE 19002 Director George Daskalakis 20 Iouliou Kaisara Str Paiania, Athens J3 GREECE 19002 Director Other $5,000,001 - $25,000,000 06b false 2026-06-12 true true true true false 0 None None Maxim Group LLC 000120708 300 PARK AVENUE 16TH FLOOR NEW YORK NY NEW YORK 10022 CA CALIFORNIA NY NEW YORK true 10263162 0 10263162 The Amount Sold is zero because we are reporting a private placement of warrants with no cash consideration yet recieved until exercise. false 6 307895 0 The sales commission was payable with respect to a transaction for which the issuance of warrants reported on this form was partial consideration. 0 false Rubico Inc. /s/ Nikolaos Papastratis Nikolaos Papastratis Chief Financial Officer 2026-06-29