Wouter Latour - May 6, 2021 Form 4 Insider Report for Vaxart, Inc. (VXRT)

Role: Director
Signature: /s/ Margaret Echerd, Attorney-in-Fact for Wouter Latour
Stock symbol: VXRT
Transactions as of: May 6, 2021
Transactions value $: -$1,026,640
Form type: 4
Date filed: 5/10/2021, 05:05 PM
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VXRT	Common Stock	Options Exercise	$170K	+100K		$1.70	100K	May 6, 2021	Direct
transaction	VXRT	Common Stock	Sale	-$654K	-100K	-100%	$6.54^*	0	May 6, 2021	Direct
transaction	VXRT	Common Stock	Options Exercise	$170K	+100K		$1.70	100K	May 7, 2021	Direct
transaction	VXRT	Common Stock	Sale	-$713K	-100K	-100%	$7.13^*	0	May 7, 2021	Direct

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)	Options Exercise	$0	-100K	-11.11%	$0.00	800K	May 6, 2021	Common stock	100K	$1.70	Direct	F1
transaction	VXRT	Stock Option (right to buy)	Options Exercise	$0	-100K	-12.5%	$0.00	700K	May 7, 2021	Common stock	100K	$1.70	Direct	F1

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

Explanation of Responses:

Id	Content
F1	31.25% of the shares subject to this stock option vested on June 8, 2020, the grant date, with the remaining 68.75% vesting in 22 equal monthly installments on the first day of each calendar month thereafter, such that the option shall be fully vested on April 1, 2022.