UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or Section 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 9, 2026

T3 DEFENSE INC.
(Exact name of registrant as specified in its charter)

Delaware		001-39341		38-3912845
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(IRS Employer Identification Number)

575 Fifth Avenue, 14^th Floor

New York, New York 10017

(Address of principal executive offices)

212-791-4663

(Registrant’s telephone number, including area code)

Nukkleus Inc.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation to the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.0001 par value per share	DFNS	The Nasdaq Stock Market LLC

Warrants, each warrant exercisable for one Share of Common Stock for $92.00 per share	DFNSW	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

Effective February 9, 2026, Nukkleus Inc. (the “Company”) changed its name by the filing of a certificate of correction to the Amendment to its Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware to change the name of the Company to “T3 Defense Inc.”. The change in the name of the Company was effectuated pursuant to Section 242(d)(1) of the Delaware General Corporation Law.

As a result of the name change, the new ticker of the Company will be “DFNS”. The Company will commence trading under the new ticker symbol on The Nasdaq Stock Market LLC on February 9, 2026. There is no change to the CUSIP of the Company.

Item 7.01 Regulation FD Disclosure.

On February 9, 2026, Nukkleus Inc. issued a press release regarding the name change of the Company. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information contained in this Item 7.01, including Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.		Description
3.8.1		Certificate of Correction.
3.8.2		Certificate of Amendment of Amended and Restated Certificate of Incorporation.
99.1		Press Release dated February 9, 2026.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	T3 DEFENSE INC.

Date: February 9, 2026	By:	/s/ Menachem Shalom
	Name:	Menachem Shalom
	Title:	Chief Executive Officer

Nukkleus Inc. 8-K