DEFSEC Technologies (DFSC) adds warrants and purchase agreement via Form 6-K

Rhea-AI Filing Summary

DEFSEC Technologies Inc. furnished a Form 6-K as a foreign private issuer for December 2025. The report states that DEFSEC files its annual reports on Form 20-F and incorporates several exhibits into its existing shelf Registration Statement on Form F-3.

The incorporated exhibits include forms of warrants, a placement agent warrant, a legal opinion from Bennett Jones LLP, and a Form of Securities Purchase Agreement dated December 17, 2025 between DEFSEC Technologies Inc. and certain purchasers, as well as a related news release.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

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

For the month of December, 2025.

Commission File Number: 001-41566

DEFSEC Technologies Inc.

(Exact Name of Registrant as Specified in Charter)

80 Hines Rd, Suite 300, Ottawa, Ontario, K2K 2T8

(Address of principal executive offices)

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

Form 20-F x Form 40-F ¨

INCORPORATION BY REFERENCE

Exhibits 4.1, 4.2, 5.1 and 10.1 of this Form 6-K are incorporated by reference into the Registrant's Registration Statement on Form F-3 (File No. 333-277196).

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, thereunto duly authorized.

		KWESST MICRO SYSTEMS INC.
		(Registrant)
Date:	December 18, 2025	By:	/s/ Jennifer Welsh
		Name:	Jennifer Welsh
		Title:	Chief Financial Officer

EXHIBIT INDEX

4.1	Form of Warrant (included in Exhibit 10.1 hereto)
4.2	Form of Placement Agent Warrant
5.1	Opinion of Bennett Jones LLP
10.1	Form of Securities Purchase Agreement dated December 17, 2025 between DEFSEC Technologies Inc. and the Purchasers thereto
99.1	News Release dated December 17, 2025

FAQ

What does DEFSEC Technologies Inc. (DFSC) disclose in this Form 6-K?

DEFSEC Technologies Inc. furnishes a Form 6-K for December 2025 that primarily lists and files key exhibits, including warrant forms, a securities purchase agreement dated December 17, 2025, a legal opinion, and a related news release.

Which exhibits from DEFSEC Technologies Inc. (DFSC) are incorporated into its Form F-3?

The filing incorporates Exhibits 4.1, 4.2, 5.1, and 10.1 into DEFSEC Technologies Inc.’s Registration Statement on Form F-3. These include warrant forms, a placement agent warrant, a legal opinion from Bennett Jones LLP, and a Securities Purchase Agreement dated December 17, 2025.

What key agreement is referenced in DEFSEC Technologies Inc. (DFSC) December 2025 Form 6-K?

The Form 6-K references a Form of Securities Purchase Agreement dated December 17, 2025 between DEFSEC Technologies Inc. and the purchasers. This agreement is filed as Exhibit 10.1 and is also incorporated by reference into the company’s Form F-3 registration statement.

Which law firm provides a legal opinion for DEFSEC Technologies Inc. (DFSC) in this filing?

The filing lists an opinion of Bennett Jones LLP as Exhibit 5.1. This legal opinion is one of the exhibits incorporated by reference into DEFSEC Technologies Inc.’s existing Form F-3 shelf registration statement for future securities-related use.

What warrant-related documents does DEFSEC Technologies Inc. (DFSC) include in this Form 6-K?

DEFSEC Technologies Inc. includes a Form of Warrant as Exhibit 4.1 and a Form of Placement Agent Warrant as Exhibit 4.2. These documents are part of the exhibits incorporated into the company’s Form F-3 registration statement for potential securities transactions.

Who signed DEFSEC Technologies Inc. (DFSC) December 2025 Form 6-K?

The Form 6-K is signed on behalf of DEFSEC Technologies Inc. by Jennifer Welsh, who is identified in the document as the Chief Financial Officer, confirming the company’s authorization of the furnished December 2025 report and its listed exhibits.