Parag Mallick - Mar 1, 2024 Form 4 Insider Report for Nautilus Biotechnology, Inc. (NAUT)

Role: Chief Scientist, Director, 10%+ Owner
Signature: /s/ Mathew B. Murphy, as Attorney-in-Fact
Stock symbol: NAUT
Transactions as of: Mar 1, 2024
Transactions value $: $0
Form type: 4
Date filed: 3/5/2024, 04:49 PM
Previous filing: Mar 1, 2023

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	NAUT	Stock Option (Right to Buy)	Award	$0	+280K		$0.00	280K	Mar 1, 2024	Common Stock	280K	$2.72	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2024.

Content

Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each vesting date, twenty-five percent (25%) of the shares subject to the Option shall vest on the one (1) year anniversary of the Vesting Commencement Date (as defined below), and one thirty-sixth (1/36th) of the remaining shares subject to the Option shall vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, on the last day of the month). The Vesting Commencement Date is January 1, 2024.