Type	Name	Date
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	09/15/2021
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	09/15/2021
Registration rights agreement	Registration Rights Agreement, by and among the Company and the Purchasers	01/16/2019
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the Purchasers	01/16/2019

Type	Name	Date
Equity incentive plans	2018 Equity Incentive Plan, as amended	06/17/2020
Equity incentive plans	Alpine Immune Sciences, Inc. 2018 Equity Incentive Plan	06/14/2018
Equity incentive plans	Alpine Immune Sciences, Inc. 2018 Equity Incentive Plan	06/14/2018
Equity incentive plans	Form of Stock Option Agreement under the 2018 Equity Incentive Plan	06/14/2018

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among Nivalis Therapeutics, Inc., Nautilus Merger Sub, Inc. and Alpine Immune Sciences, Inc	04/18/2017