X0609 4 2026-09-30 0 0001849820 Nauticus Robotics, Inc. KITT 0002143744 RCB EQUITIES 1, LLC false 5862 W. 3RD STREET LOS ANGELES CA 90036 0 0 1 0 0002147429 DROR BRIAN ISAAC false 5862 W. 3RD STREET LOS ANGELES CA 90036 0 0 0 1 MANAGER OF REPORTING OWNER 0 COMMON STOCK 2026-09-30 4 C 0 168011 1.488 A 293091 D SENIOR SECURED TERM LOAN (09/23/2023, AS AMENDED) 1.488 2026-09-30 4 C 0 250000 1.488 A COMMON STOCK, $0.0001 PAR VALUE 168011 1050000 D Immediately upon notice None On September 30, 2026, RCB Equities #1, LLC converted $250,000 of the outstanding principal under the Senior Secured Term Loan Agreement dated September 18, 2023 (as amended by the Sixth Amendment dated September 30, 2026) into 168,011 shares of Common Stock at a conversion price of $1.488 per share. The conversion price of $1.488 per share was available for conversion notices delivered from September 30, 2026, through and including October 2, 2026. Prior to this conversion, RCB Equities #1, LLC beneficially owned approximately 125,080 shares of Common Stock. On September 24, 2026, Issuer effected a 1 for 6 reverse stock split. Prior to the reverse stock split, RCB Equities #1, LLC beneficially owned approximately 750,843 shares of Common Stock. Following the September 30, 2026 conversion of $250,000 of the Senior Secured Term Loan, the remaining outstanding balance of the term loan is subject to confirmation from the loan records. BRIAN ISAAC DROR 2026-10-01