Evaxion A/S (EVAX) files Form 3 detailing warrant and share holdings

Rhea-AI Filing Summary

Evaxion A/S filed an initial Form 3 reporting its beneficial ownership of ordinary shares and warrants of Evaxion A/S. The filing lists direct holdings of ordinary shares totaling 1,382,395 and indirect holdings of 4,142,521 ordinary shares held by Mattsson Holding af 2008 ApS. It also discloses several warrant positions over ordinary shares, including warrants exercisable at 0.7400 per share for 55,147 underlying shares expiring on 2026-12-21, and warrants exercisable at 0.0590 per share for 645,700 underlying shares expiring on 2030-01-31. Additional warrants have exercise prices between 0.0700 and 2.2300 per share, with expirations through 2031-12-31. Footnotes indicate some warrants were issued in a private placement that closed on 2023-12-21 and a public offering that closed on 2025-01-31, with vesting at 1/36 per month over 36 months from the initial exercise dates.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Evaxion A/S

(Last) (First) (Middle)

DR. NEERGAARDS VEJ 5F

(Street)

HORSHOLM DK-2970

(City) (State) (Zip)

DENMARK

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Evaxion A/S [ EVAX ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CAIO Chief AI Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	1,382,395	D
Ordinary Shares	4,142,521	I	By Mattsson Holding af 2008 ApS(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrants(2)	12/21/2023	12/21/2026	Ordinary Shares	55,147	$0.74	D
Warrants(3)	01/31/2025	01/31/2030	Ordinary Shares	645,700	$0.059	D
Warrants	01/01/2022(4)	12/31/2031	Ordinary Shares	35,000	$2.23	D
Warrants	01/01/2023(4)	12/31/2031	Ordinary Shares	6,250	$0.75	D
Warrants	01/01/2024(4)	12/31/2031	Ordinary Shares	25,000	$0.4	D
Warrants	01/01/2024(4)	12/31/2031	Ordinary Shares	125,000	$0.07	D

Explanation of Responses:

1. Mr. Mattsson is a control person of such entity.

2. Warrants pursuant to private placement that closed 12/21/2023.

3. Warrants pursuant to public offering that closed 1/31/2025.

4. Vesting is 1/36 per month over 36 months from the initial exercise date indicated.

Remarks:

Exhibit List - Exhibit 24.1 Power of Attorney. This initial holding statement has been made for Andreas Holm Mattsson using the Issuer's CIK codes to satisfy Form 3 filing requirements. An amendment will be filed for Mr. Mattsson upon receipt of his CIK filer codes from the SEC.

	/s/ Michael Baird, Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Evaxion A/S’s Form 3 report about EVAX holdings?

The Form 3 reports Evaxion A/S’s beneficial ownership in its own securities, including ordinary shares held directly and indirectly and multiple warrant positions over ordinary shares, with detailed exercise prices, underlying share amounts, and expiration dates for each warrant series.

How many ordinary shares does Evaxion A/S hold directly and indirectly in EVAX?

Evaxion A/S reports direct ownership of 1,382,395 ordinary shares and indirect ownership of 4,142,521 ordinary shares held by Mattsson Holding af 2008 ApS, providing a clear picture of both direct and entity-associated equity exposure in the company’s stock.

What warrant positions over Evaxion A/S ordinary shares are disclosed in this Form 3?

The filing lists several warrant series over ordinary shares, including warrants with exercise prices of 0.7400, 0.0590, 2.2300, 0.7500, 0.4000 and 0.0700 per share, each tied to specific underlying share amounts and expirations running from 2026 through 2031.

Were any Evaxion A/S warrants issued in placements or offerings?

Yes. Footnotes state certain warrants were issued in a private placement that closed on December 21, 2023 and others in a public offering that closed on January 31, 2025, linking specific warrant series to those financing transactions.

How do the Evaxion A/S warrants vest according to the Form 3 footnotes?

A footnote explains that vesting occurs at 1/36 per month over 36 months from the initial exercise date indicated for the relevant warrants, outlining a gradual vesting schedule rather than immediate full exercisability.

What indirect ownership structure is disclosed for Evaxion A/S EVAX shares?

The Form 3 shows 4,142,521 ordinary shares held indirectly through Mattsson Holding af 2008 ApS, with a footnote noting that Mr. Mattsson is a control person of that entity, clarifying how part of the equity interest is structured.