Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox checked   Rule 13d-1(c)
Checkbox not checked   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:  Includes 55,033 additional shares of Common Stock that Schlumberger Technology Corporation ("STC") has the right to receive if, on or before December 16, 2026, the Common Stock meets or exceeds certain target prices as set forth in the Merger Agreement ("Merger Agreement"), dated as of December 16, 2021, as amended on January 30, 2022 and June 6, 2022, by and among CleanTech Acquisition Corp., CleanTech Merger Sub, Inc., Nauticus Robotics, Inc., and Nicolaus Radford, solely in his capacity as the stockholder representative. Based on 6,407,475 shares of Common Stock outstanding as of November 11, 2024, as reported on the Form 10-Q submitted by the Issuer to the SEC on November 12, 2024.


SCHEDULE 13G




Comment for Type of Reporting Person:  Includes 55,033 additional shares of Common Stock that STC has the right to receive if, on or before December 16, 2026, the Common Stock meets or exceeds certain target prices as set forth in the Merger Agreement. Based on 6,407,475 shares of Common Stock outstanding as of November 11, 2024, as reported on the Form 10-Q submitted by the Issuer to the SEC on November 12, 2024.


SCHEDULE 13G




Comment for Type of Reporting Person:  Includes 55,033 additional shares of Common Stock that STC has the right to receive if, on or before December 16, 2026, the Common Stock meets or exceeds certain target prices as set forth in the Merger Agreement. Based on 6,407,475 shares of Common Stock outstanding as of November 11, 2024, as reported on the Form 10-Q submitted by the Issuer to the SEC on November 12, 2024.


SCHEDULE 13G




Comment for Type of Reporting Person:  Includes 55,033 additional shares of Common Stock that STC has the right to receive if, on or before December 16, 2026, the Common Stock meets or exceeds certain target prices as set forth in the Merger Agreement. Based on 6,407,475 shares of Common Stock outstanding as of November 11, 2024, as reported on the Form 10-Q submitted by the Issuer to the SEC on November 12, 2024.


SCHEDULE 13G



 
Schlumberger N.V. (Schlumberger Limited)
 
Signature:/s/ Samantha Blons
Name/Title:Assistant Secretary
Date:02/12/2025
 
Schlumberger B.V.
 
Signature:/s/ Eileen Hardell
Name/Title:Secretary
Date:02/12/2025
 
Schlumberger Holdings Corporation
 
Signature:/s/ Ashish Gehi
Name/Title:Treasurer
Date:02/12/2025
 
Schlumberger Technology Corporation
 
Signature:/s/ Ashish Gehi
Name/Title:Treasurer
Date:02/12/2025