UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO SECTION 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-39950

Evaxion A/S

(Exact Name of Registrant as Specified in Its Charter)

Dr. Neergaards Vej 5f

DK-2970 Hoersholm

Denmark

(Address of principal executive offices)

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 ☒ Form 40-F ☐

INCORPORATION BY REFERENCE

This report on Form 6-K shall be deemed to be incorporated by reference in Evaxion A/S’s registration statements on Form S-8 (File No. 333-255064), on Form F-3 (File No. 333-265132), on Form F-1, as amended (File No. 333-266050), Form F-1 (File No. 333-276505), Form F-1 (File No. 333-279153), Form F-1 (File No. 333-283304), and Form F-3 (File No. 333- 285778), including any prospectuses forming a part of such registration statements and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

Amendment to Articles of Association

The Articles of Association were amended in connection with the exercise of certain investor warrants. On November 4, 2025, the Company registered a share capital increase of nominal DKK 468,750 with the Danish Business Authority, corresponding to an increase in the Company’s share capital to nominal DKK 104,252,689, to reflect the issuance of 1,875,000 ordinary shares in connection with the exercise of certain holders of warrants against cash consideration of USD 101,625 (or approximately DKK 659,109.26 based on the applicable USD-DKK exchange rate on November 4, 2025).

The amended Articles of Association are attached hereto as Exhibit 1.1.

Exhibits

Exhibit
No.		Description
1.1		Articles of Association

SIGNATURES

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

	Evaxion A/S

Date: November 18, 2025	By:	/s/ Birgitte Rønø
		Birgitte Rønø
		Interim Chief Executive Officer

Evaxion A/S 6-K