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Form 8-K

sec.gov

8-K — T3 Defense Inc.

Accession: 0001213900-26-068924

Filed: 2026-06-15

Period: 2026-06-15

CIK: 0001787518

SIC: 8742 (SERVICES-MANAGEMENT CONSULTING SERVICES)

Item: Other Events

Documents

8-K — ea0294784-8k_t3defense.htm (Primary)

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8-K — CURRENT REPORT

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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): June 15, 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, 14th Floor

New York, New York 10017

(Address of principal executive offices)

212-791-4663

(Registrant’s telephone number, including

area code)

Not Applicable

(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 8.01 Other Events.

On June 12, 2026, T3 Defense Inc. (the “Company”) sold 15,187,265

shares of common stock to Esousa Group Holdings, LLC pursuant to the terms of the common stock purchase agreement dated September 19,

2025 (the “Purchase Agreement”) in consideration for an aggregate of $3,805,929 in gross proceeds. The offer and sale of shares

was made pursuant to the registration statement which was declared effective by the Securities and Exchange Commission on December 23,

2025 (registration no. 333-292209).

In connection with the sale of these securities pursuant to the Purchase Agreement, the investor waived the prohibition against the Company

issuing purchase notices under the equity line program that is contained in that certain securities purchase agreement, dated February

24, 2026, by and between the Company and the investor. In addition, the Company and the investor effectuated the following additional

purchases on the dates indicated below:

April 20, 2026

74,880 shares

$ 42,232

May 15, 2026

146,706

$ 61,925

May 22, 2026

284,236

$ 96,299

May 29, 2026

1,237,361

$ 425,652

June 4, 2026

364,336

$ 113,199

June 12, 2026

15,187,265

$ 3,805,929

Total:

17,294,784 shares

$ 4,545,236

There is no assurance that the investor will permit a future waiver of the prohibition and the company may not be able to make any further

sales under the equity line program until all of the conditions contained in the Securities Purchase Agreement, dated February 24, 2026, are satisfied.

As of the date hereof, the Company has issued and outstanding 94,832,476 common shares and 200 shares of Series B Convertible Preferred

Stock, which were issued pursuant to that certain Securities Purchase Agreement, dated February 24, 2026.

- 1 -

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: June 15, 2026

By:

/s/ Menachem Shalom

Name:

Menachem Shalom

Title:

Chief Executive Officer

- 2 -

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Entity Incorporation, State or Country Code

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Entity Address, Address Line One

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Fifth Avenue

Entity Address, Address Line Two

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Entity Address, City or Town

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Entity Address, State or Province

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City Area Code

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Title of 12(b) Security

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Trading Symbol

DFNS

Security Exchange Name

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Warrants, each warrant exercisable for one Share of Common Stock for $92.00 per share

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Security Exchange Name

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