SCHEDULE Filed 2025-10-28 Event 2025-10-25 SEC 0001193125-25-254033 →

Material Impact Fund II, L.P. → Nauticus Robotics, Inc. KITTW

Stake: 21.50% Shares: 3,137,615 CUSIP: 63911H306 Class: Common Stock, $0.0001 par value per share

Item 4 — Purpose of Transaction

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

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

9 13D/G filings on this issuer

8 other filings besides this one

Filer Track Record

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-07-15

DTC 1.31

100,625 shares short · -21.4% vs prior

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

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+180 days

0.0%

Anchor price 0.02 on closest trading day on/after 2025-10-25. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Filed	Form	Filer	Stake	Shares
2026-07-24	SCHEDULE 13G	RCB EQUITIES 1, LLC	—	—	view →
2025-08-13	SCHEDULE	KERBER WILLIAM XAVIER III	4.40%	1,852,696	view →
2025-03-17	SCHEDULE	KERBER WILLIAM XAVIER III	5.10%	1,542,696	view →
2025-02-25	SCHEDULE	Material Impact Fund II, L.P.	18.60%	6,866,659	view →
2025-02-07	SCHEDULE	KERBER WILLIAM XAVIER III	2.00%	611,492	view →
2025-02-06	SCHEDULE	Inkeverse Group Ltd	4.10%	264,108	view →
2024-04-08	SC	SCHLUMBERGER LIMITED/NV	—	—	view →
2022-09-23	SC	TRANSOCEAN INC	—	—	view →

Filed	Form	Issuer	Stake	Shares
2025-02-25	SCHEDULE	Nauticus Robotics, Inc. KITTW	18.60%	6,866,659	view →

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