Transocean Ltd. - 28 Nov 2025 Form 4 Insider Report for Nauticus Robotics, Inc. (KITT)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
04 Dec 2025, 17:17:25 UTC
Prior SEC filing
31 Oct 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Daniel Ro-Trock by Power of Attorney

Key filing fact

Transocean Ltd. filed Form 4 for Nauticus Robotics, Inc. (KITT) on 04 Dec 2025.

Key facts

  • This page summarizes Transocean Ltd.'s Form 4 filing for Nauticus Robotics, Inc. (KITT).
  • 4 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 04 Dec 2025, 17:17.

Change

  • Previous filing in this sequence was filed on 31 Oct 2025.
  • Current net transaction value: -$2,161,720.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001451505 Primary reporting owner

Transocean Ltd.

Relationship
Former 10% Owner
Address
TURMSTRASSE 30, STEINHAUSEN, SWITZERLAND
Signature
/s/ Daniel Ro-Trock by Power of Attorney
Signature date
04 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KITT transaction

Common Stock, par value U.S. $0.0001

Sale

Transaction value
$25,366
Shares
-28,185
Change %
-1.3%
Price
$0.9000
Shares after
2,122,531
Date
28 Nov 2025
Ownership
By Transocean International Limited
Footnotes
F1, F2
KITT transaction

Common Stock, par value U.S. $0.0001

Sale

Transaction value
$49,694
Shares
-61,351
Change %
-2.9%
Price
$0.8100
Shares after
2,061,180
Date
01 Dec 2025
Ownership
By Transocean International Limited
Footnotes
F1, F2
KITT transaction

Common Stock, par value U.S. $0.0001

Sale

Transaction value
$24,301
Shares
-32,839
Change %
-1.6%
Price
$0.7400
Shares after
2,028,341
Date
02 Dec 2025
Ownership
By Transocean International Limited
Footnotes
F1, F2
KITT transaction

Common Stock, par value U.S. $0.0001

Sale

Transaction value
$2,062,358
Shares
-2,021,920
Change %
-100%
Price
$1.02
Shares after
6,421
Date
03 Dec 2025
Ownership
By Transocean International Limited
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Transocean Ltd. is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

The amount of securities beneficially owned following the reported transaction includes 6,421 shares of the Issuer's common stock that the reporting person has the right to receive if, on or before September 9, 2027, the shares of the Issuer's common stock meet or exceed certain target prices as set forth in the Merger Agreement described in the reporting person's Form 3 filed on September 23, 2022.

Footnote F2

These securities are owned directly by Transocean International Limited, a Bermuda exempted company limited by shares. Transocean International Limited is a wholly owned subsidiary of Transocean Ltd. Because Transocean Ltd. controls Transocean International Limited, both Transocean Ltd. and Transocean International Limited are deemed to beneficially own the shares of common stock of the Issuer that Transocean International Limited holds directly or has a right to acquire.

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