Vaxart SVP has shares withheld for RSU taxes

Vaxart, Inc. executive Edward B. Berg, SVP and General Counsel, reported a tax-related share disposition tied to restricted stock units.

Rhea-AI Filing Summary

Vaxart, Inc. executive Edward B. Berg, SVP and General Counsel, reported a tax-related share disposition tied to restricted stock units. On the RSU vesting date, 36,418 shares of common stock at $0.694 per share were withheld by the company to satisfy income tax obligations, rather than sold in the open market. After this withholding, Berg directly holds 755,368 common shares, including 70,781 shares previously acquired under Vaxart’s 2022 Employee Stock Purchase Plan.

Insider Trade Summary

Exercise Price or Tax Liability: 36,418 shares

Exercise Price or Tax Liability 1 txn

Insider Berg Edward B

Role SVP, General Counsel

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	36,418	$0.694	$25K

Holdings After Transaction: Common Stock — 755,368 shares (Direct)

Footnotes (2)

1. F1. Represents shares that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of RSUs vested as of March 24, 2026.
2. F2. This amount includes 70,781 shares acquired under the Vaxart, Inc. 2022 Employee Stock Purchase Plan.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Vaxart (VXRT) report for Edward B. Berg?

Vaxart reported that SVP and General Counsel Edward B. Berg had 36,418 common shares withheld to cover taxes on vested RSUs. This was a tax-withholding disposition, not an open-market sale, and reflects routine handling of equity compensation obligations.

Was the Vaxart (VXRT) Edward B. Berg Form 4 a market sale of shares?

No, the Form 4 shows shares withheld by Vaxart to satisfy tax obligations on RSUs vesting March 24, 2026. The 36,418 common shares were used for income tax withholding and remittance, rather than being sold on the open market by Berg.

How many Vaxart (VXRT) shares does Edward B. Berg hold after this Form 4?

After the tax-withholding transaction, Edward B. Berg directly holds 755,368 Vaxart common shares. This total includes 70,781 shares acquired through the Vaxart, Inc. 2022 Employee Stock Purchase Plan, as disclosed in the Form 4 footnotes.

What is the price and size of the tax-withholding disposition in Vaxart (VXRT) Form 4?

The Form 4 reports 36,418 Vaxart common shares withheld at a reference price of $0.694 per share. These shares were applied to cover income tax withholding related to the net settlement of restricted stock units vested on March 24, 2026.

What triggered the share withholding in the Vaxart (VXRT) Edward B. Berg filing?

The withholding was triggered by the net settlement of restricted stock units that vested on March 24, 2026. To meet income tax withholding and remittance obligations, Vaxart retained 36,418 of the vested shares instead of delivering them all to Edward B. Berg.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/26/2026 - 04:52 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Berg Edward B

(Last) (First) (Middle)

C/O VAXART, INC.

170 HARBOR WAY, SUITE 300

(Street)

SOUTH SAN FRANCISCO CALIFORNIA 94080

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

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

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

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

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	03/24/2026		F		36,418(1)	D	$0.694	755,368(2)	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. Represents shares that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of RSUs vested as of March 24, 2026.

2. This amount includes 70,781 shares acquired under the Vaxart, Inc. 2022 Employee Stock Purchase Plan.

	/s/ Edward B. Berg	03/26/2026
	** 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 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.
* Form 4: SEC 1474 (03-26)