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Form 8-K

sec.gov

8-K — VisionWave Holdings, Inc.

Accession: 0001731122-26-000774

Filed: 2026-05-21

Period: 2026-05-21

CIK: 0002038439

SIC: 7372 (SERVICES-PREPACKAGED SOFTWARE)

Item: Other Events

Documents

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UNITED

STATES

SECURITIES AND EXCHANGE COMMISSION

Washington,

D.C. 20549

Form

8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May

21, 2026

VisionWave

Holdings, Inc.

(Exact Name of Registrant as

Specified in its Charter)

Delaware

001-72741

99-5002777

(State or other jurisdiction

of incorporation)

(Commission File Number)

(I.R.S. Employer

Identification No.)

300 Delaware Ave., Suite 210 # 301

Wilmington, DE.

19801

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s telephone number, including area

code: (302) 305-4790

Check the appropriate box below if the Form 8-K filing

is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications

pursuant to Rule 425 under the Securities Act

Soliciting material pursuant

to Rule 14a-12 under the Exchange Act

Pre-commencement communications

pursuant to Rule 14d-2(b) under the Exchange Act

Pre-commencement communications

pursuant to Rule 13e-4(c) under the Exchange Act

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

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, par value $0.01 per share

VWAV

The Nasdaq Stock Market LLC

Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50

VWAVW

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 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange

Act of 1934 (17 CFR §240.12b-2).

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 May 17, 2026, VisionWave Holdings, Inc. (the “Company”)

entered into a Share Exchange and Swap Agreement (the “Agreement”) with T3 Defense Inc. (“DFNS”), a Nasdaq-listed

company. Pursuant to the Agreement, the Company to issue and delivered to DFNS 475,492 newly issued shares of the Company’s common

stock (the “VWAV Exchange Shares”). In exchange, DFNS to issue to the Company 6,000,000 newly issued shares of DFNS common

stock. The VWAV Exchange Shares were issued at the Nasdaq closing price of the Company’s common stock on May 15, 2026 ($5.590 per

share), for an aggregate value of approximately $2.658 million.

The VWAV Exchange Shares to be issued as “restricted

securities” within the meaning of Rule 144 under the Securities Act of 1933, as amended (the “Securities Act”), in a

private placement exempt from registration under Section 4(a)(2) of the Securities Act and bear a customary restrictive legend. The Agreement

contains customary representations, warranties and covenants, and the shares are subject to additional contractual restrictions on transfer

and legend removal that require the prior written consent of both parties.

SIGNATURES

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.

Date: May 21, 2026

VISIONWAVE HOLDINGS, INC.

By:

/s/ Douglas Davis

Name:

Douglas Davis

Title:

Chief Executive Officer

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Entity Registrant Name

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Entity Central Index Key

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Entity Tax Identification Number

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Entity Address, Address Line One

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Entity Address, Address Line Two

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Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50

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Security Exchange Name

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