DETX 6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUERPURSUANT TO RULE 13a-16 OR 15d-16UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: August, 2026

Commission File Number: 001-43241

Liberty Defense Holdings, Ltd.

(Translation of registrant’s name into English)

187 Ballardvale Street,Suite 110, Wilmington, Massachusetts 01887

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F x  Form 40-F ¨

EXHIBIT INDEX

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, thereunto duly authorized.

Dated: August 4, 2026

Exhibit 99.1

Liberty Defense Announces Leadership Change

Wilmington, MA, USA – August 4, 2026 - Liberty Defense Holdings Ltd. (“Liberty” or the “Company”) (NASDAQ: DETX; TSXV: SCAN), a leading technology provider of AI-based next generation detection solutions for concealed weapons and threats, today announced that Bryan Cunningham, President, left the Company to return to his privacy and advocacy work, effective July 22, 2026.

"We appreciate Bryan's contributions to the organization during his tenure and thank him for his service," said Bill Frain, Liberty's CEO. "We wish him continued success in his future endeavors."

The Company does not plan to immediately fill the President position. The leadership team remains focused on executing the Company's strategic priorities and continuing to provide exceptional service to its customers, partners, and employees.

"Liberty is well-positioned for the future," continued Frain. "We have a talented leadership team, a clear strategic direction, and confidence in our ability to continue building on our momentum in the security and detection market. We remain committed to delivering value to our customers, supporting our employees, and advancing our long-term business objectives."

About Liberty Defense

Liberty Defense (NASDAQ: DETX; TSXV: SCAN) provides multi-technology security solutions for concealed weapons detection in high volume foot traffic areas and locations requiring enhanced security such as airports, stadiums, schools, and more. Liberty’s HEXWAVE product, for which the Company has secured an exclusive license from Massachusetts Institute of Technology (MIT), as well as a technology transfer agreement for patents related to active 3D radar imaging technology, provides discrete, modular, and scalable protection to provide layered, stand-off detection capability of metallic and non-metallic weapons. Liberty has also recently licensed the millimeter wave-based, High-Definition Advanced Imaging Technology (HD-AIT) body scanner and shoe scanner technologies as part of its technology portfolio. Liberty is committed to protecting communities and preserving peace of mind through superior security detection solutions.

For updates and news, please visit the Company website to subscribe to email alerts or follow Liberty Defense on social channels.

For further information about Liberty Defense,please contact:

Jay Adelaar

Senior Vice President of Capital Markets, Liberty Defense

604-809-2500

[email protected]

For sales information, please contact:

Ian McNaughton

Senior Director Business Development, Liberty Defense

613-292-3669

[email protected]

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FORWARD-LOOKING STATEMENTS

When used in this press release, the words “estimate”,“project”, “belief”, “anticipate”, “intend”, “expect”, “plan”,“predict”, “may” or “should” and the negative of these words or such variations thereon or comparableterminology are intended to identify forward-looking statements and information. Although Liberty believes, in light of the experienceof its officers and directors, current conditions and expected future developments and other factors that have been considered appropriate,that the expectations reflected in the forward-looking statements and information in this press release are reasonable, undue relianceshould not be placed on them because Liberty can give no assurance that such statements will prove to be correct. Such statements andinformation reflect the current view of Liberty.

By their nature, forward-looking statements involve known and unknownrisks, uncertainties and other factors which may cause our actual results, performance or achievements, or other future events, to bematerially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Thereare a number of important factors that could cause Liberty’s actual results to differ materially from those indicated or impliedby forward-looking statements and information, including those appearing in Liberty’s public filings. Such factors include, amongothers: currency fluctuations; limited business history of Liberty; disruptions or changes in the credit or security markets; resultsof operation activities and development of projects; project cost overruns or unanticipated costs and expenses; general development, marketand industry conditions; and other factors described in Liberty’s public filings. Liberty undertakes no obligation to comment onanalyses, expectations or statements made by third parties in respect of its securities or its financial or operating results (as applicable).

Liberty cautions that the foregoing list of material factors isnot exhaustive. When relying on Liberty’s forward-looking statements and information to make decisions, investors and others shouldcarefully consider the foregoing factors and other uncertainties and potential events. Liberty has assumed that the material factors referredto in the previous paragraph will not cause such forward-looking statements and information to differ materially from actual results orevents. However, the list of these factors is not exhaustive and is subject to change and there can be no assurance that such assumptionswill reflect the actual outcome of such items or factors. The forward-looking information contained in this press release represents theexpectations of Liberty as of the date of this press release and, accordingly, are subject to change after such date. Liberty does notundertake to update this information at any particular time except as required in accordance with applicable laws.

Neither the TSX Venture Exchange nor its Regulation Services Provider(as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this pressrelease.

Liberty Defense | 187 Ballardvale Street, Suite 110, Wilmington, MA 01887, USA