13D Filings
NAUTICUS ROBOTICS, INC.
KITT
Amendment
Ownership

44.60%

Total Shares

11,033,896

Issuer CIK

1849820

CUSIP

63911H306

Event Date

Dec 11, 2025

Accepted

Dec 16, 2025, 04:16 PM

Reporting Persons (4)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Material Impact Partners II, LLC
Other
44.60%11,030,848011,030,848
Material Impact Fund II, L.P.
Partnership
44.60%11,030,848011,030,848
Adam Sharkawy
Individual
44.60%11,033,8963,04811,030,848
Carmichael Roberts
Individual
44.60%11,030,848011,030,848
Disclosure Items (6)

Security Title

Common Stock, $0.0001 par value per share

Issuer Name

NAUTICUS ROBOTICS, INC.

Issuer Address

17146 Feathercraft Lane, Webster, TX, 77598

Filing Persons

The information set forth in Item 2(a) of the Original Schedule 13D is incorporated herein by reference.

Business Address

The information set forth in Item 2(b) of the Original Schedule 13D is incorporated herein by reference.

Principal Occupation

The information set forth in Item 2(c) of the Original Schedule 13D is incorporated herein by reference.

Convictions

The information set forth in Item 2(e) of the Original Schedule 13D is incorporated herein by reference.

Citizenship

The information set forth in Item 2(f) of the Original Schedule 13D is incorporated herein by reference.

The information set forth in Item 3 of the Original Schedule 13D is hereby amended by adding the following as the last paragraphs thereof. On December 12, 2025, the Issuer notified the Reporting Persons of an adjustment to the Conversion Price (as defined in Item 5 below), which resulted in an increase in the aggregate ownership of the Reporting Persons.

The information set forth in Item 4 of the Original Schedule 13D is incorporated herein by reference.

Percentage of Class

See Items 7-11 of the cover pages of this Statement and Item 2 above. The Series A Preferred Stock is convertible into shares of Common Stock at the "Alternate Conversion Price" equal to the lesser of: (a) the Conversion Price, which is $0.5942; and (b) the greater of (i) the floor price, which is $2.214 and (ii) 98% of the lowest volume weighted average price of the Common Stock during the 10 consecutive trading days immediately prior to such conversion ("VWAP Price"). The number of shares of Common Stock underlying the Series A Preferred Stock held by the Reporting Person set forth on the cover pages of this Statement assumes that the Series A Preferred Stock is converted at the Conversion Price, which is the Applicable Conversion Price as of December 16, 2025.

Number of Shares

See Items 7-11 of the cover pages of this Statement and Item 2 above.

Transactions

Except as reported in this Statement, none of the Reporting Persons has effected any transactions in the Issuer's securities within the past 60 days.

Shareholders

Under certain circumstances set forth in the limited partnership agreement of MIF II, the general partner and limited partners of MIF II may be deemed to have the right to receive dividends from, or the proceeds from, the sale of shares of the Issuer owned by MIF II.

Date of 5% Ownership

Not applicable

The information set forth in Item 3 of this Statement is incorporated herein by reference.