Vaxart (VXRT) director reports open-market purchase of 20,000 shares at about $0.41

Rhea-AI Filing Summary

Vaxart, Inc. director reports open-market stock purchases. A Vaxart (VXRT) director bought 15,000 shares of common stock on 11/17/2025 at a price of $0.41 per share and an additional 5,000 shares at $0.407 per share, both coded as open-market purchases. Following these transactions, the director beneficially owns 124,125 shares of Vaxart common stock in direct ownership form. The report notes that the filing was submitted late due to delays in receiving EDGAR access codes.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Watson W. Mark

(Last) (First) (Middle)

C/O VAXART, INC.

170 HARBOR WAY, SUITE 300

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Vaxart, Inc. [ VXRT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/17/2025(1)		P		15,000	A	$0.41	119,125	D
Common Stock	11/17/2025(1)		P		5,000	A	$0.407	124,125	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This Form 4 is being filed late due to delays in receiving EDGAR access codes.

	/s/ Edward Berg, Attorney-in-Fact for W. Mark Watson	12/05/2025
	** 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 4 (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.

FAQ

What insider transaction did Vaxart (VXRT) disclose in this Form 4?

The filing shows a Vaxart director purchased 15,000 shares of common stock at $0.41 per share and 5,000 shares at $0.407 per share on 11/17/2025.

How many Vaxart (VXRT) shares does the reporting person own after the transaction?

After the reported purchases, the director beneficially owns 124,125 shares of Vaxart common stock in direct ownership.

What transaction code was used for the Vaxart (VXRT) insider trades?

The transactions are reported with code P, indicating open-market or private purchase of Vaxart common stock.

On what date were the Vaxart (VXRT) insider purchases executed?

The purchases of Vaxart common stock were executed on 11/17/2025.

Why was this Vaxart (VXRT) Form 4 filed late?

The explanation states that the form is being filed late due to delays in receiving EDGAR access codes.

What is the relationship of the reporting person to Vaxart (VXRT)?

The reporting person is identified as a Director of Vaxart, Inc.