Nauticus Robotics, Inc. SEC filings KITTW
Nauticus Robotics, Inc. has 576 filings in SEC EDGAR's recent list, going back to Mar 8, 2021. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 12, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 2, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, New debt
|
Oct 2, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 1, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Material agreement
|
Oct 1, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Material agreement
|
Sep 29, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Other events
|
Sep 25, 2026 | Sep 25, 2026 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Sep 23, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 18, 2026 | Sep 15, 2026 |
| 8-K |
Current report
Other events
|
Sep 11, 2026 | Sep 9, 2026 |
| 424B3 | Prospectus | Aug 14, 2026 | — |
| 8-K |
Current report
Material agreement, New debt
|
Aug 13, 2026 | Aug 12, 2026 |
| 10-Q | Quarterly report | Aug 12, 2026 | Jun 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| EFFECT | Filing | Jul 31, 2026 | — |
| 4 | Insider transaction | Jul 31, 2026 | May 27, 2026 |
| 4 | Insider transaction | Jul 31, 2026 | May 27, 2026 |
| 4 | Insider transaction | Jul 31, 2026 | May 27, 2026 |
| 4 | Insider transaction | Jul 31, 2026 | May 27, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 23, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 23, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 23, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 23, 2026 |
| 4 | Insider transaction | Jul 27, 2026 | Jun 1, 2026 |
| 3 | Initial insider ownership | Jul 27, 2026 | Jun 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 24, 2026 | — |
| 8-K |
Current report
New debt, Unregistered share sale
|
Jul 21, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Jul 9, 2026 | Jul 6, 2026 |
| 3 | Initial insider ownership | Jul 2, 2026 | Jun 1, 2026 |
| S-8 | Employee stock plan registration | Jul 2, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 1, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jun 30, 2026 | Jun 26, 2026 |
| S-1/A | Amended registration statement | Jun 22, 2026 | — |
| 8-K/A |
Amended current report
Officer or director change
|
Jun 8, 2026 | May 27, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 3, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2026 | May 27, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| S-1 | Registration statement | May 13, 2026 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
May 13, 2026 | May 11, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 30, 2026 | Apr 27, 2026 |
| 10-K/A | Amended annual report | Apr 21, 2026 | Dec 31, 2025 |
| 8-K/A |
Amended current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Apr 21, 2026 | Apr 16, 2026 |
| 3 | Initial insider ownership | Apr 21, 2026 | Apr 7, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 17, 2026 | — |
| DEF 14A | Proxy statement | Apr 17, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Apr 17, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Apr 17, 2026 | Apr 16, 2026 |
| 10-K | Annual report | Apr 15, 2026 | Dec 31, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 7, 2026 | Dec 31, 2025 |
| 8-K/A |
Amended current report
Material agreement, Acquisition or sale of assets, New debt
|
Apr 7, 2026 | Mar 20, 2025 |
| NT 10-K | Filing | Apr 1, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Unregistered share sale
|
Mar 30, 2026 | Mar 27, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Dec 22, 2025 |
| 8-K |
Current report
New debt, Unregistered share sale
|
Mar 11, 2026 | Mar 10, 2026 |
| S-8 | Employee stock plan registration | Mar 4, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Feb 9, 2026 | Feb 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jan 29, 2026 | Jan 28, 2026 |
| DEF 14A | Proxy statement | Dec 29, 2025 | Dec 29, 2025 |
| 8-K |
Current report
Auditor change
|
Dec 23, 2025 | Dec 19, 2025 |
| 8-K |
Current report
Other events
|
Dec 23, 2025 | Dec 19, 2025 |
| PRE 14A | Preliminary proxy statement | Dec 19, 2025 | Dec 19, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 19, 2025 | Dec 16, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 16, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Dec 9, 2025 | Dec 3, 2025 |
| 8-K |
Current report
Other events
|
Dec 8, 2025 | Dec 8, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 4, 2025 | — |
| 4 | Insider transaction | Dec 4, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Dec 4, 2025 | Dec 3, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Dec 2, 2025 | Nov 21, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 25, 2025 |
| 8-K |
Current report
Other events
|
Nov 14, 2025 | Nov 14, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 31, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 31, 2025 | Oct 28, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 31, 2025 | — |
| 424B3 | Prospectus | Oct 31, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 28, 2025 | — |
| DEFA14A | Additional proxy material | Oct 28, 2025 | — |
| 8-K |
Current report
Other events
|
Oct 27, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Oct 27, 2025 | Oct 24, 2025 |
| 424B3 | Prospectus | Oct 24, 2025 | — |
| DEFA14A | Additional proxy material | Oct 24, 2025 | — |
| 8-K |
Current report
Listing notice
|
Oct 22, 2025 | Oct 16, 2025 |
| DEF 14A | Proxy statement | Sep 25, 2025 | Sep 25, 2025 |
| 8-K |
Current report
Other events
|
Sep 16, 2025 | Sep 16, 2025 |
| PRE 14A | Preliminary proxy statement | Sep 15, 2025 | Sep 15, 2025 |
| 424B3 | Prospectus | Sep 15, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 5, 2025 | Sep 3, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Sep 2, 2025 | Sep 2, 2025 |
| 8-K |
Current report
Other events
|
Sep 2, 2025 | Sep 2, 2025 |
| 424B3 | Prospectus | Sep 2, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 19, 2025 | Aug 15, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K/A |
Amended current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Aug 11, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Aug 8, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Aug 7, 2025 | Aug 6, 2025 |
| 3 | Initial insider ownership | Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 25, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 25, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 28, 2025 | Jul 25, 2025 |
| 8-K |
Current report
Other events
|
Jul 21, 2025 | Jul 18, 2025 |
| 424B3 | Prospectus | Jul 18, 2025 | — |
| S-8 | Employee stock plan registration | Jul 11, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 1, 2025 | Jun 30, 2025 |
| 424B3 | Prospectus | Jun 30, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 25, 2025 | Jun 25, 2025 |
| DEFA14A | Additional proxy material | Jun 10, 2025 | — |
| 4 | Insider transaction | May 30, 2025 | May 28, 2025 |
| 4 | Insider transaction | May 30, 2025 | May 28, 2025 |
| 4 | Insider transaction | May 30, 2025 | May 28, 2025 |
| 4 | Insider transaction | May 30, 2025 | May 28, 2025 |
| EFFECT | Filing | May 29, 2025 | — |
| 8-K/A | Amended current report | May 29, 2025 | Mar 20, 2025 |
| CORRESP | Letter to the SEC | May 27, 2025 | — |
| S-3/A | Filing | May 16, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 30, 2025 | Apr 30, 2025 |
| DEF 14A | Proxy statement | Apr 29, 2025 | Apr 29, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Apr 18, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 17, 2025 | — |
| 8-K |
Current report
Results of operations
|
Apr 16, 2025 | Apr 15, 2025 |
| 10-K | Annual report | Apr 15, 2025 | Dec 31, 2024 |
| 10-Q/A | Amended quarterly report | Apr 15, 2025 | Sep 30, 2024 |
| 10-Q/A | Amended quarterly report | Apr 15, 2025 | Jun 30, 2024 |
| 10-Q/A | Amended quarterly report | Apr 15, 2025 | Mar 31, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 10, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Mar 31, 2025 |
| NT 10-K | Filing | Mar 31, 2025 | Mar 31, 2025 |
| 3 | Initial insider ownership | Mar 28, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Mar 25, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Restatement
|
Mar 19, 2025 | Mar 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 17, 2025 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Mar 5, 2025 | Mar 5, 2025 |
| 4 | Insider transaction | Feb 25, 2025 | Feb 21, 2025 |
| 5 | Annual insider ownership | Feb 25, 2025 | Dec 31, 2024 |
| 5 | Annual insider ownership | Feb 25, 2025 | Dec 31, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 20, 2025 | Feb 20, 2025 |
| 5 | Annual insider ownership | Feb 14, 2025 | Dec 31, 2024 |
| 5 | Annual insider ownership | Feb 14, 2025 | Dec 31, 2024 |
| 5 | Annual insider ownership | Feb 14, 2025 | Dec 31, 2024 |
| CORRESP | Letter to the SEC | Feb 12, 2025 | — |
| CORRESP | Letter to the SEC | Feb 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| UPLOAD | Letter from the SEC | Feb 10, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 7, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 6, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 5, 2025 | — |
| S-3 | Shelf registration | Feb 3, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 30, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 29, 2025 | Jan 29, 2025 |
| 424B3 | Prospectus | Jan 17, 2025 | — |
| 424B3 | Prospectus | Jan 17, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 17, 2025 | Jan 17, 2025 |
| 424B3 | Prospectus | Jan 16, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jan 15, 2025 | Jan 15, 2025 |
| 8-K |
Current report
Other events
|
Jan 14, 2025 | Jan 13, 2025 |
| 424B3 | Prospectus | Jan 14, 2025 | — |
| 4 | Insider transaction | Jan 8, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 1, 2025 |
| 424B3 | Prospectus | Jan 7, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 6, 2025 | Jan 3, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Jan 6, 2025 | Dec 27, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Dec 27, 2024 | Dec 27, 2024 |
| DEFA14A | Additional proxy material | Dec 20, 2024 | — |
| DEFA14A | Additional proxy material | Dec 18, 2024 | — |
| 8-K |
Current report
New debt, Unregistered share sale
|
Dec 11, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 8, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Oct 9, 2024 |
| 4 | Insider transaction | Nov 26, 2024 | Nov 22, 2024 |
| DEF 14A | Proxy statement | Nov 25, 2024 | Nov 25, 2024 |
| PRE 14A | Preliminary proxy statement | Nov 13, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 12, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Regulation FD disclosure
|
Nov 5, 2024 | Nov 4, 2024 |
| 424B3 | Prospectus | Sep 20, 2024 | — |
| 424B3 | Prospectus | Sep 20, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 20, 2024 | Sep 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 19, 2024 | Sep 17, 2024 |
| 424B3 | Prospectus | Sep 6, 2024 | — |
| 424B3 | Prospectus | Sep 6, 2024 | — |
| 8-K |
Current report
Other events
|
Sep 3, 2024 | Sep 2, 2024 |
| 3 | Initial insider ownership | Aug 23, 2024 | Aug 14, 2024 |
| 424B3 | Prospectus | Aug 23, 2024 | — |
| 424B3 | Prospectus | Aug 23, 2024 | — |
| 8-K |
Current report
Listing notice
|
Aug 20, 2024 | Aug 14, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 13, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 424B3 | Prospectus | Aug 9, 2024 | — |
| 424B3 | Prospectus | Aug 9, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 9, 2024 | Aug 8, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- General Industrial Machinery & Equipment, NEC (SIC 3569)
- Listed as
- KITT (Nasdaq), KITTW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Webster, TX
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1849820
- Former names
- cleantech Acquisition Corp. (until Sep 6, 2022)
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All 16 General Industrial Machinery & Equipment, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.