Filing Details

Home > Insider Trading > Latest 13D and 13G Filings > 13D Filing (0001193125-22-043219)

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

0 shares

Shared Voting Power

1,629,366 shares (1)

Sole Dispositive Power

0 shares

Shared Dispositive Power

1,629,366 shares (1)

Accession Number:: 0001193125-22-043219
Form Type:: 13D Filing
Publication Date:: 2022-02-14 19:00:00

Filed By:: Frazier Life Sciences Viii, L.p.
Company:: Alpine Immune Sciences Inc. (NASDAQ:ALPN)
Filing Date:: 2022-02-15
SEC Url:: 13D Filing

Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name	Sole Voting Power	Shared Voting Power	Sole Dispositive Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Frazier Life Sciences VIII	0	1,629,366	0	1,629,366	1,629,366	5.5%
FHM Life Sciences VIII	0	1,629,366	0	1,629,366	1,629,366	5.5%
FHM Life Sciences VIII	0	1,629,366	0	1,629,366	1,629,366	5.5%
Frazier Life Sciences Public Fund	0	1,501,642	0	1,501,642	1,501,642	5.1%
FHMLSP	0	1,501,642	0	1,501,642	1,501,642	5.1%
FHMLSP	0	1,501,642	0	1,501,642	1,501,642	5.1%
James N. Topper	33,100	3,131,008	33,100	3,131,008	3,164,108	10.8%
Patrick J. Heron	0	3,131,008	0	3,131,008	3,131,008	10.7%
Albert Cha	0	1,501,642	0	1,501,642	1,501,642	5.1%
James Brush	0	1,501,642	0	1,501,642	1,501,642	5.1%

Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13D

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)*

Alpine Immune Sciences, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

02083G 100

(CUSIP Number)

Steve R. Bailey

Frazier Healthcare Partners

601 Union Street, Suite 3200

Seattle, WA 98101

Telephone: (206) 621-7200

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

February 11, 2022

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

*	The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 (Act) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 02083G 100


1.		Name of Reporting Persons. Frazier Life Sciences VIII, L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) WC
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

Consists of (i) 1,484,115 shares of Common Stock held directly by Frazier Life Sciences VIII, L.P. and (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022. FHM Life Sciences VIII, L.P. is the general partner of Frazier Life Sciences VIII, L.P. and FHM Life Sciences VIII, L.L.C. is the general partner of FHM Life Sciences VIII, L.P. James N. Topper and Patrick J. Heron are the sole members of FHM Life Sciences VIII, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences VIII, L.P.

(2)

Based on (i) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021 and (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. FHM Life Sciences VIII, L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

(2)

CUSIP No. 02083G 100


1.		Name of Reporting Persons. FHM Life Sciences VIII, L.L.C.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

(2)

CUSIP No. 02083G 100


1.		Name of Reporting Persons. Frazier Life Sciences Public Fund L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

Consists of 1,501,642 shares of Common Stock held directly by Frazier Life Sciences Public Fund L.P. FHMLSP, L.P. is the general partner of Frazier Life Sciences Public Fund L.P. and FHMLSP, L.L.C. is the general partner of FHMLSP, L.P. Patrick J. Heron, James N. Topper, Albert Cha and James Brush are the members of FHMLSP, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences Public Fund L.P.

(2)	Based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. FHMLSP, L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

(2)	Based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. FHMLSP, L.L.C.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware

(1)

(2)	Based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. James N. Topper
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States Citizen

(1)	Consists of 33,100 shares of Common Stock issuable to James N. Topper pursuant to stock options exercisable within 60 days of February 11, 2022.

(2)

Consists of (i) 1,484,115 shares of Common Stock held directly by Frazier Life Sciences VIII, L.P., (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022, and (iii) 1,501,642 shares of Common Stock held directly by Frazier Life Sciences Public Fund L.P. FHM Life Sciences VIII, L.P. is the general partner of Frazier Life Sciences VIII, L.P. and FHM Life Sciences VIII, L.L.C. is the general partner of FHM Life Sciences VIII, L.P. James N. Topper and Patrick J. Heron are the sole members of FHM Life Sciences VIII, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences VIII, L.P. FHMLSP, L.P. is the general partner of Frazier Life Sciences Public Fund L.P. and FHMLSP, L.L.C. is the general partner of FHMLSP, L.P. Patrick J. Heron, James N. Topper, Albert Cha and James Brush are the members of FHMLSP, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences Public Fund L.P.

(3)

Such percentage was based on (i) 33,100 shares of Common Stock issuable to James N. Topper pursuant to stock options exercisable within 60 days of February 11, 2022, (ii) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021, and (iii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. Patrick J. Heron
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States Citizen

(1)

(2)

Based on (i) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021, and (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. Albert Cha
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States Citizen

(1)

(2)	Based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

CUSIP No. 02083G 100


1.		Name of Reporting Persons. James Brush
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☐ (b) ☒
3.		SEC USE ONLY
4.		Source of Funds (See Instructions) AF
5.		Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States Citizen

(1)

(2)	Based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

Item 1.

Security and Issuer.

This Amendment No. 4 (Amendment No. 4) to Schedule 13D amends the statement on Schedule 13D filed on July 31, 2017 (the Original Schedule 13D), as amended on January 23, 2019, July 30, 2020 and September 21, 2021 (the Prior Amendments, and together with the Original Schedule 13D and this Amendment No. 4, the Schedule 13D) with respect to the Common Stock of Alpine Immune Sciences, Inc. (the Issuer), having its principal executive office at 188 East Blaine St., Suite 200, Seattle, WA 98102. Except as otherwise specified in Amendment No. 4, all items in the Schedule 13D are unchanged. All capitalized terms used in this Amendment No. 4 and not otherwise defined herein have the meanings ascribed to such terms in the Original Schedule 13D, as amended by the Prior Amendments.

Item 3.

Source and Amount of Funds or Other Consideration

FLS-VIII purchased from a company then known as Alpine Immune Sciences, Inc. (Old Alpine) in a series of private transactions 3,558,719 shares of Series A-1 Preferred Stock (Series A-1 Stock) and 866,741 shares of Common Stock (the Old Alpine Common Stock) for an aggregate purchase price of $15,483,870. Pursuant to the terms of that certain Agreement and Plan of Merger and Reorganization, dated as of April 18, 2017, by and among the Issuer, Nautilus Merger Sub, Inc. and Old Alpine (the Merger Agreement), at the closing of the merger provided for in the Merger Agreement (the Merger), each share of Old Alpines Common Stock and Series A-1 Stock held by FLS-VIII was automatically converted into 0.4969 shares of the Issuers Common Stock, which resulted in FLS-VIII holding a total of 2,199,011 shares of the Issuers Common Stock as of July 24, 2017.

On January 18, 2019, FLS-VIII participated in the Issuers private placement offering and (i) purchased 372,439 shares of the Issuers Common Stock and (ii) received a warrant exercisable for 145,251 shares of the Issuers Common Stock for an aggregate purchase price of $1,999,997.

On September 17, 2021, FLS-VIII exchanged 1,200,000 shares of the Issuers Common Stock for a warrant to purchase 1,200,000 shares of the Issuers Common Stock, of which no shares of the Issuers Common Stock are exercisable within 60 days of February 11, 2022, due to the Maximum Percentage limitation contained in such warrant.

On February 11, 2022, FLS-VIII purchased 112,665 shares of the Issuers Common Stock for an aggregate purchase price of $799,990.

FLS-VIII holds 1,484,115 shares of the Issuers Common Stock and warrants that are exercisable for 145,251 shares of the Issuers Common Stock within 60 days of February 11, 2022 (the FLS VIII Shares).

On September 15, 2021, FLSPF purchased 394 shares of the Issuers Common Stock for an aggregate purchase price of $3,704.

On September 17, 2021, FLSPF participated in the Issuers private placement offering (the Offering) pursuant to which it purchased a pre-funded warrant for 1,702,127 shares of the Issuers Common Stock for an aggregate purchase price of $15,999,994. Due to the Maximum Percentage limitation contained in such warrant, this warrant is currently not exercisable for shares of the Issuers Common Stock. FLSPF also purchased 400,000 shares of the Issuers Common Stock from another stockholder of the Issuer for a total purchase price of $3,760,000.

On February 11, 2022, FLSPF purchased 1,088,179 shares of the Issuers Common Stock for an aggregate purchase price of $7,726,724.

FLSPF holds 1,501,642 shares of the Issuers Common Stock and a warrant that is not currently exercisable for shares of the Issuers Common Stock, due to the Maximum Percentage limitation contained in such warrant (the FLSPF Shares and together with the FLS VIII Shares, the Frazier Shares).

Item 5.

Interest in Securities of the Issuer

(a)

State the aggregate number and percentage of the class of securities identified pursuant to Item 1 (which may be based on the number of securities outstanding as contained in the most recently available filing with the Commission by the issuer unless the filing person has reason to believe such information is not current) beneficially owned (identifying those shares which there is a right to acquire) by each person named in Item 2. The information should also be furnished with respect to persons who, together with any of the persons named in Item 2, comprise a group within the meaning of Section 13(d)(3) of the Act:

FLS-VIII is the record owner of the FLS VIII Shares. As the sole general partner of FLS-VIII, FHM-VIII L.P. may be deemed to beneficially own the FLS VIII Shares. As the sole general partner of FHM-VIII, L.P., FHM-VIII LLC may be deemed to beneficially own the FLS VIII Shares. As individual members of FHM-VIII LLC, each of Topper and Heron may be deemed to beneficially own the FLS VIII Shares.

FLSPF is the record owner of the FLSPF VIII Shares. As the sole general partner of FLSPF, FHMLSP, L.P. may be deemed to beneficially own the FLSPF VIII Shares. As the sole general partner of FHMLSP, L.P., FHMLSP, L.L.C. may be deemed to beneficially own the FLSPF Shares. As individual members of FHMLSP, L.L.C., each of Topper, Heron, Cha and Brush may be deemed to beneficially own the FLSPF Shares.

Each Reporting Person disclaims beneficial ownership of all Frazier Shares other than those shares which such person owns of record, which in Toppers case, includes the 33,100 shares of Common Stock issuable pursuant to stock options exercisable within 60 days of February 11, 2022.

The percentage of outstanding Common Stock of the Issuer, which may be deemed to be beneficially owned by each of FLS-VIII, FHM-VIII L.P. and FHM-VIII LLC, is set forth on Line 13 of such Reporting Persons cover sheet. Such percentage was calculated based on (i) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021 and (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

The percentage of outstanding Common Stock of the Issuer, which may be deemed to be beneficially owned by each of FLSPF, FHMLSP, L.P., FHMLSP, L.L.C., Cha and Brush is set forth on Line 13 of such Reporting Persons cover sheet. Such percentage was calculated based on 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021.

The percentage of outstanding Common Stock of the Issuer, which may be deemed to be beneficially owned by Heron, is set forth on Line 13 of Herons cover sheet. Such percentage was calculated based on (i) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021, and (ii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

The percentage of outstanding Common Stock of the Issuer, which may be deemed to be beneficially owned by Topper, is set forth on Line 13 of Toppers cover sheet. Such percentage was calculated

based on (i) 33,100 shares of Common Stock issuable to James N. Topper pursuant to stock options exercisable within 60 days of February 11, 2022, (ii) 29,220,176 shares of Common Stock outstanding on October 28, 2021 as set forth in the Issuers Form 10-Q filed with the SEC on November 10, 2021, and (iii) 145,251 shares of Common Stock issuable to Frazier Life Sciences VIII, L.P. pursuant to warrants exercisable within 60 days of February 11, 2022.

(b)

Regarding the number of shares as to which such person has:

Sole power to vote or to direct the vote: See line 7 of cover sheets.

Shared power to vote or to direct the vote: See line 8 of cover sheets.

Sole power to dispose or to direct the disposition: See line 9 of cover sheets.

Shared power to dispose or to direct the disposition: See line 10 of cover sheets.

(c)

Describe any transactions in the class of securities reported on that were effected during the past sixty days or since the most recent filing of Schedule 13D (§240.13d-191), whichever is less, by the persons named in response to paragraph (a):

Information with respect to transactions in the Securities which were effected within the past sixty days or since the most recent filing on Schedule 13D, whichever is less, by the Reporting Persons is set forth below.

On January 3, 2022, the Issuer granted Topper an option to purchase 10,000 shares of the Issuers Common stock, of which 2,500 shares are exercisable within 60 days of February 11, 2022.

On February 11, 2022, FLS-VIII purchased 112,665 shares of the Issuers Common Stock for an aggregate purchase price of $799,990.

On February 11, 2022, FLSPF purchased 1,088,179 shares of the Issuers Common Stock for an aggregate purchase price of $7,726,724.

(d)

If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than five percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of an employee benefit plan, pension fund or endowment fund is not required:

No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the Frazier Shares beneficially owned by any of the Reporting Persons.

(e)

If applicable, state the date on which the reporting person ceased to be the beneficial owner of more than five percent of the class of securities:

Not applicable.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.


Date: February 15, 2022	FRAZIER LIFE SCIENCES VIII, L.P.
	By FHM Life Sciences VIII, L.P., its general partner
	By FHM Life Sciences VIII, L.L.C., its general partner

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer

Date: February 15, 2022	FHM LIFE SCIENCES VIII, L.P.
	By FHM Life Sciences VIII, L.L.C., its general partner

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer

Date: February 15, 2022	FHM LIFE SCIENCES VIII, L.L.C.

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer

Date: February 15, 2022	FRAZIER LIFE SCIENCES PUBLIC FUND L.P.
	By: FHMLSP, L.P., its General Partner
	By: FHMLSP, L.L.C., its General Partner

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer

Date: February 15, 2022	FHMLSP, L.P.
	By: FHMLSP, L.L.C., its General Partner

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer

Date: February 15, 2022	FHMLSP, L.L.C.

	By:	/s/ Steve R. Bailey
		Steve R. Bailey, Chief Financial Officer



Date: February 15, 2022	By:	*
		James N. Topper

Date: February 15, 2022	By:	*
		Patrick J. Heron

Date: February 15, 2022	By:	**
		Albert Cha

Date: February 15, 2022	By:	**
		James Brush

Date: February 15, 2022	By:	/s/ Steve R. Bailey
		Steve R. Bailey, as Attorney-in-Fact

*	This Schedule 13D was executed by Steve R. Bailey on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017.

**	This Schedule 13D was executed by Steve R. Bailey on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on August 16, 2021.