Sean Tucker - Mar 28, 2023 Form 4 Insider Report for Vaxart, Inc. (VXRT)

Role: SVP, Chief Scientific Officer
Signature: /s/ Edward Berg, Attorney-in-Fact
Stock symbol: VXRT
Transactions as of: Mar 28, 2023
Transactions value $: -$38,171
Form type: 4
Date filed: 3/20/2024, 08:12 PM
Previous filing: Mar 21, 2023
Next filing: Apr 1, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VXRT	Common Stock	Tax liability	-$2.76K	-3.68K	-0.98%	$0.75	374K	Mar 28, 2023	Direct	F1, F2
transaction	VXRT	Common Stock	Tax liability	-$24.3K	-34.3K	-9.18%	$0.71	339K	Dec 8, 2023	Direct	F1, F3
transaction	VXRT	Common Stock	Tax liability	-$11.1K	-9.22K	-2.72%	$1.20	330K	Feb 2, 2024	Direct	F1, F4
transaction	VXRT	Common Stock	Award	$0	+90K	+27.26%	$0.00	420K	Mar 18, 2024	Direct	F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	VXRT	Stock Option (right to buy)	Award	$0	+410K		$0.00	410K	Mar 18, 2024	Common Stock	410K	$1.16	Direct	F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction is being reported late due to administrative oversight.
F2	Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of RSUs vested as of March 28, 2023.
F3	Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of RSUs vested as of December 8, 2023.
F4	Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of RSUs vested as of February 2, 2024.
F5	Grant of shares upon vesting of restricted stock units. Twenty five percent of the shares underlying the award shall vest on each anniversary of the vesting commencement date of March 18, 2024, so that the restricted stock units would be fully vested on the fourth anniversary of the vesting commencement date.
F6	The shares subject to this stock option shall vest as to 25% of the shares underlying the grant on March 18, 2025, the first anniversary of the date that vesting commenced, and thereafter in 36 equal monthly installments such that the stock option shall be fully vested on March 18, 2028.