Xiangmin Cui - Jan 18, 2024 Form 4 Insider Report for ALPINE IMMUNE SCIENCES, INC. (ALPN)

Role: Director, 10%+ Owner
Signature: /s/ Xiangmin Cui
Stock symbol: ALPN
Transactions as of: Jan 18, 2024
Transactions value $: $15,729,263
Form type: 4
Date filed: 1/22/2024, 05:48 PM
Previous filing: Jan 4, 2024
Next filing: Apr 11, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALPN	Common Stock	Exercise of in-the-money or at-the-money derivative security	$15.7M	+1.23M	+23.09%	$12.74	6.58M	Jan 18, 2024	See Footnote	F1
holding	ALPN	Common Stock						1.74M	Jan 18, 2024	See Footnote	F2

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	ALPN	Warrant (right to buy)	Exercise of in-the-money or at-the-money derivative security	$0	-1.23M	-100%	$0.00^*	0	Jan 18, 2024	Common Stock	1.23M	$12.74	See Footnote	F1

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

Explanation of Responses:

Id	Content
F1	These securities are owned directly by Decheng Capital China Life Sciences USD Fund III, L.P. ("Fund III"). The Reporting Person is the manager of Decheng Capital Management III (Cayman), LLC, the general partner of Fund III. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.
F2	These securities are owned directly by Decheng Capital Global Healthcare Fund (Master), LP ("Healthcare"). The Reporting Person is the indirect managing member and ultimate beneficial owner of Decheng Capital Global Healthcare GP, LLC, the general partner of Healthcare. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.