T3 Defense Inc. SEC filings DFNS
T3 Defense Inc. has 399 filings in SEC EDGAR's recent list, going back to Nov 26, 2019. Its latest annual report, Form 10-K, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 18, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (unregistered share sale). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| PRE 14A | Preliminary proxy statement | Oct 29, 2026 | Nov 30, 2026 |
| 8-K |
Current report
Unregistered share sale
|
Oct 29, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 27, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 23, 2026 | Oct 23, 2026 |
| 424B3 | Prospectus | Oct 23, 2026 | — |
| 424B3 | Prospectus | Oct 23, 2026 | — |
| EFFECT | Filing | Oct 22, 2026 | — |
| EFFECT | Filing | Oct 22, 2026 | — |
| S-1MEF | Form s-1mef | Oct 22, 2026 | — |
| S-3/A | Form s-3/a | Oct 21, 2026 | — |
| S-1/A | Amended registration statement | Oct 20, 2026 | — |
| S-1/A | Amended registration statement | Oct 20, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2026 | Oct 5, 2026 |
| S-1/A | Amended registration statement | Oct 2, 2026 | — |
| S-1/A | Amended registration statement | Oct 2, 2026 | — |
| S-3/A | Form s-3/a | Oct 2, 2026 | — |
| S-3 | Shelf registration | Sep 15, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 15, 2026 | — |
| 8-K |
Current report
New debt
|
Sep 11, 2026 | Sep 8, 2026 |
| 8-K |
Current report
Other events
|
Sep 10, 2026 | Sep 10, 2026 |
| S-1 | Registration statement | Sep 3, 2026 | — |
| S-1 | Registration statement | Sep 3, 2026 | — |
| 8-K |
Current report
Agreement ended, Other events
|
Aug 31, 2026 | Aug 28, 2026 |
| 8-K |
Current report
Listing notice
|
Aug 20, 2026 | Aug 20, 2026 |
| 10-Q | Quarterly report | Aug 18, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Other events
|
Aug 17, 2026 | Aug 17, 2026 |
| NT 10-Q | Form nt 10-q | Aug 14, 2026 | Jun 30, 2026 |
| S-8 | Employee stock plan registration | Aug 10, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Aug 6, 2026 | Aug 5, 2026 |
| DRS | Filing | Aug 3, 2026 | — |
| DRS | Filing | Jul 31, 2026 | — |
| DRS | Filing | Jul 30, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jul 24, 2026 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Jul 16, 2026 | Jul 16, 2026 |
| DEFA14A | Additional proxy material | Jul 16, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 15, 2026 | Jul 12, 2026 |
| DEFA14A | Additional proxy material | Jul 14, 2026 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Jul 13, 2026 | Jul 13, 2026 |
| DEF 14A | Proxy statement | Jul 9, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 9, 2026 | Jul 6, 2026 |
| 424B3 | Prospectus | Jul 1, 2026 | — |
| EFFECT | Filing | Jun 30, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 29, 2026 | Jun 24, 2026 |
| S-1/A | Amended registration statement | Jun 25, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 18, 2026 | Jun 18, 2026 |
| DEFA14A | Additional proxy material | Jun 17, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 15, 2026 | Jun 15, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2026 | Jun 11, 2026 |
| S-1 | Registration statement | Jun 4, 2026 | — |
| DEFR14A | Revised definitive proxy statement | Jun 1, 2026 | — |
| DEF 14A | Proxy statement | May 27, 2026 | Jun 18, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 21, 2026 | — |
| 10-Q | Quarterly report | May 20, 2026 | Mar 31, 2026 |
| NT 10-Q | Notification of late filing | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Listing notice
|
May 8, 2026 | May 5, 2026 |
| 4 | Insider transaction | Apr 28, 2026 | Apr 27, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 28, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 28, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2026 | Apr 16, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 15, 2026 | Apr 15, 2026 |
| PRE 14A | Preliminary proxy statement | Apr 14, 2026 | Apr 14, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 14, 2026 | — |
| DRS | Filing | Apr 13, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Apr 10, 2026 | — |
| 8-K |
Current report
Acquisition or sale of assets
|
Apr 10, 2026 | Apr 10, 2026 |
| 10-K | Annual report | Apr 9, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Other events
|
Apr 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 3, 2026 | Mar 31, 2026 |
| 8-K/A | Amended current report | Apr 1, 2026 | Feb 16, 2026 |
| NT 10-K | Extension | Mar 31, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 12, 2026 | Mar 12, 2026 |
| D | Filing | Mar 10, 2026 | — |
| 8-K |
Current report
Other events
|
Mar 6, 2026 | Mar 3, 2026 |
| 8-K |
Current report
Other events
|
Mar 2, 2026 | Mar 2, 2026 |
| 8-K/A |
Amended current report
Material agreement
|
Feb 25, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Regulation FD disclosure
|
Feb 25, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2026 | Feb 17, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Feb 17, 2026 | Feb 16, 2026 |
| EFFECT | Filing | Feb 13, 2026 | — |
| 424B3 | Prospectus | Feb 13, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 13, 2026 | Feb 12, 2026 |
| CORRESP | Letter to the SEC | Feb 11, 2026 | — |
| S-1 | Registration statement | Feb 11, 2026 | — |
| UPLOAD | Letter from the SEC | Feb 10, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Feb 9, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Other events
|
Feb 3, 2026 | Feb 3, 2026 |
| DRS | Filing | Feb 2, 2026 | — |
| 4 | Insider transaction | Jan 29, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 22, 2026 | Jan 22, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 20, 2026 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Jan 16, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Auditor change
|
Jan 14, 2026 | Jan 14, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Jan 13, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Dec 31, 2025 | Dec 29, 2025 |
| 4 | Insider transaction | Dec 31, 2025 | Dec 22, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Other events
|
Dec 30, 2025 | Dec 30, 2025 |
| EFFECT | Filing | Dec 23, 2025 | — |
| EFFECT | Filing | Dec 23, 2025 | — |
| 424B3 | Prospectus | Dec 23, 2025 | — |
| 424B3 | Prospectus | Dec 23, 2025 | — |
| CORRESP | Letter to the SEC | Dec 22, 2025 | — |
| CORRESP | Letter to the SEC | Dec 22, 2025 | — |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Other events
|
Dec 17, 2025 | Dec 17, 2025 |
| S-1 | Registration statement | Dec 17, 2025 | — |
| S-1 | Registration statement | Dec 17, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Dec 17, 2025 | Dec 16, 2025 |
| DEFA14A | Additional proxy material | Dec 11, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Dec 9, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 28, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 26, 2025 | Nov 26, 2025 |
| 3 | Initial insider ownership | Nov 25, 2025 | Nov 25, 2025 |
| 8-K |
Current report
Other events
|
Nov 25, 2025 | Nov 25, 2025 |
| S-8 | Employee stock plan registration | Nov 25, 2025 | — |
| 8-K |
Current report
Other events
|
Nov 25, 2025 | Nov 25, 2025 |
| DEF 14A | Proxy statement | Nov 24, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Nov 10, 2025 | Nov 6, 2025 |
| DRS | Filing | Nov 3, 2025 | — |
| PRER14A | Revised preliminary proxy statement | Oct 28, 2025 | — |
| 4 | Insider transaction | Oct 24, 2025 | Oct 24, 2025 |
| DRS | Filing | Oct 17, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 17, 2025 | Oct 17, 2025 |
| DEF 14A | Proxy statement | Oct 16, 2025 | Nov 6, 2025 |
| 4 | Insider transaction | Oct 10, 2025 | Oct 8, 2025 |
| 8-K |
Current report
Other events
|
Sep 29, 2025 | Sep 26, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Sep 19, 2025 | Sep 19, 2025 |
| D | Filing | Sep 18, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Sep 16, 2025 | Sep 15, 2025 |
| RW | Withdrawal request | Sep 15, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 5, 2025 | Sep 4, 2025 |
| 8-K |
Current report
Listing notice
|
Sep 2, 2025 | Aug 28, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 2, 2025 | Sep 1, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Aug 29, 2025 | Aug 28, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 25, 2025 | Aug 20, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Other events
|
Aug 8, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Material agreement
|
Jul 31, 2025 | Jul 30, 2025 |
| S-1/A | Amended registration statement | Jul 29, 2025 | — |
| PRER14A | Revised preliminary proxy statement | Jul 29, 2025 | — |
| 8-K |
Current report
Material agreement
|
Jul 25, 2025 | Jul 25, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 15, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 14, 2025 | — |
| 10-Q/A | Amended quarterly report | Jul 9, 2025 | Mar 31, 2025 |
| S-1/A | Amended registration statement | Jul 9, 2025 | — |
| 10-KT/A | Amendment no. 1 to form 10-kt | Jul 9, 2025 | Dec 31, 2024 |
| PRER14A | Revised preliminary proxy statement | Jul 9, 2025 | — |
| CORRESP | Letter to the SEC | Jul 9, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 30, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 30, 2025 | Jun 25, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 20, 2025 | Jun 15, 2025 |
| PRER14A | Revised preliminary proxy statement | Jun 18, 2025 | — |
| S-1/A | Amended registration statement | Jun 18, 2025 | — |
| 10-Q | Quarterly report | May 23, 2025 | Mar 31, 2025 |
| NT 10-Q | Notification of late filing | May 15, 2025 | Mar 31, 2025 |
| S-1/A | Amended registration statement | May 15, 2025 | — |
| PRER14A | Revised preliminary proxy statement | May 15, 2025 | — |
| 8-K |
Current report
Material agreement
|
May 14, 2025 | May 13, 2025 |
| 10-KT | Transition report | May 8, 2025 | Dec 31, 2024 |
| UPLOAD | Letter from the SEC | Apr 23, 2025 | — |
| 10-K/A | Amended annual report | Apr 14, 2025 | Sep 30, 2024 |
| CORRESP | Letter to the SEC | Apr 8, 2025 | — |
| NT 10-K | Notification of late filing | Mar 31, 2025 | Dec 31, 2024 |
| UPLOAD | Letter from the SEC | Mar 12, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 19, 2025 | Feb 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 18, 2025 | — |
| 8-K |
Current report
Material agreement
|
Feb 14, 2025 | Feb 11, 2025 |
| PRE 14A | Preliminary proxy statement | Feb 13, 2025 | Feb 12, 2025 |
| S-1 | Registration statement | Feb 12, 2025 | — |
| 10-K | Annual report | Feb 10, 2025 | Sep 30, 2024 |
| 8-K |
Current report
Other events
|
Jan 16, 2025 | Jan 16, 2025 |
| 8-K/A |
Amended current report
Other events
|
Jan 8, 2025 | Jan 7, 2025 |
| D | Filing | Jan 8, 2025 | — |
| 8-K |
Current report
Restatement
|
Jan 8, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement
|
Jan 3, 2025 | Dec 27, 2024 |
| NT 10-K | Notification of late filing | Dec 31, 2024 | Sep 30, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 23, 2024 | — |
| 4/A | Filing | Dec 23, 2024 | Nov 8, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Nov 8, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 16, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Jun 13, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Jun 13, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Nov 8, 2024 |
| 3 | Initial insider ownership | Dec 20, 2024 | Sep 4, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Dec 20, 2024 | Dec 18, 2024 |
| 8-K |
Current report
Material agreement
|
Dec 17, 2024 | Dec 15, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Dec 6, 2024 | Dec 3, 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
- Services-Management Consulting Services (SIC 8742)
- Listed as
- DFNS (Nasdaq), DFNSW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1787518
- Former names
- Nukkleus Inc. (until Feb 9, 2026); Brilliant Acquisition Corp (until Dec 26, 2023)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.