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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1626199	Alpine Immune Sciences Inc.	ALPN	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1242882	Mitchell Gold	C/O Alpine Immune Sciences, Inc. 201 Elliott Avenue West, Suite 230 Seattle WA 98119	Executive Chairman And Ceo	Yes	Yes	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2019-01-18	190,875	$5.37	3,994,781	No	4	P	Indirect	Alpine ImmunoSciences, L.P.
Common Stock	Disposition	2018-05-14	3,000	$0.00	20,292	No	5	G	Direct
Common Stock	Disposition	2018-05-15	3,000	$0.00	17,292	No	5	G	Direct
Common Stock	Disposition	2018-05-21	6,000	$0.00	11,292	No	5	G	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	Alpine ImmunoSciences, L.P.
No	5	G	Direct
No	5	G	Direct
No	5	G	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Warrant (right to buy)	Acquisiton	2019-01-18	74,441	$0.00	74,441	$12.74

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
74,441	2019-01-18	2024-01-18	No	4	P	Indirect

Footnotes

Represents shares acquired in a private placement pursuant to that Securities Purchase Agreement, dated as of January 15, 2019, by and among the Issuer and the Purchasers set forth on the signature pages thereto (the "Securities Purchase Agreement"). Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $5.37 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.39 shares of the Company's Common Stock.
Alpine BioVentures GP, LLC is the general partner of Alpine ImmunoSciences, L.P. Dr. Gold is a Managing Partner of Alpine BioVentures GP, LLC. Dr. Gold is also a limited partner of Alpine ImmunoSciences, L.P. By virtue of such relationships, Dr. Gold may be deemed to have voting and investment power with respect to the shares held by Alpine ImmunoSciences, L.P. and as a result may be deemed to have beneficial ownership of such shares.
The Reporting Person disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.