Sec Form 13D Filing - Frazier Life Sciences VIII L.P. @ Aptinyx Inc.

Insider filing report for Changes in Beneficial Ownership

Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 3)*

Aptinyx Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

03836N 103

(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)

April 5, 2021

(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 person’s 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. 03836N 103


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
Number of Shares Beneficially Owned by Each Reporting Person With:		7.	Sole Voting Power 0 shares
		8.	Shared Voting Power 3,190,079 shares (1)
		9.	Sole Dispositive Power 0 shares
		10.	Shared Dispositive Power 3,190,079 shares (1)
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,190,079 shares (1)
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) ☐
13.	Percent of Class Represented by Amount in Row (11) 4.8% (2)
14.	Type of Reporting Person (See Instructions) PN

(1)

Consists of 3,190,079 shares of Common Stock held directly by Frazier Life Sciences VIII, 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.

(2)	Based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.


CUSIP No. 03836N 103


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
Number of Shares Beneficially Owned by Each Reporting Person With:		7.	Sole Voting Power 0 shares
		8.	Shared Voting Power 3,190,079 shares (1)
		9.	Sole Dispositive Power 0 shares
		10.	Shared Dispositive Power 3,190,079 shares (1)
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,190,079 shares (1)
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) ☐
13.	Percent of Class Represented by Amount in Row (11) 4.8% (2)
14.	Type of Reporting Person (See Instructions) PN

(1)

(2)	Based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.


CUSIP No. 03836N 103


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
Number of Shares Beneficially Owned by Each Reporting Person With:		7.	Sole Voting Power 0 shares
		8.	Shared Voting Power 3,190,079 shares (1)
		9.	Sole Dispositive Power 0
		10.	Shared Dispositive Power 3,190,079 shares (1)
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,190,079 shares (1)
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) ☐
13.	Percent of Class Represented by Amount in Row (11) 4.8% (2)
14.	Type of Reporting Person (See Instructions) OO

(1)

(2)	Based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.


CUSIP No. 03836N 103


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
Number of Shares Beneficially Owned by Each Reporting Person With:		7.	Sole Voting Power 4,976 shares (1)
		8.	Shared Voting Power 3,190,079 shares (1)
		9.	Sole Dispositive Power 4,976 shares (1)
		10.	Shared Dispositive Power 3,190,079 shares (1)
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,195,055 shares (1)
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) ☐
13.	Percent of Class Represented by Amount in Row (11) 4.8% (2)
14.	Type of Reporting Person (See Instructions) IN

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(1)

Consists of (i) 4,976 shares of Common Stock that are held directly by James N. Topper, and (ii) 3,190,079 shares of Common Stock held directly by Frazier Life Sciences VIII, 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.

(2)	Based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.


CUSIP No. 03836N 103


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
Number of Shares Beneficially Owned by Each Reporting Person With:		7.	Sole Voting Power 0 shares
		8.	Shared Voting Power 3,190,079 shares (1)
		9.	Sole Dispositive Power 0 shares
		10.	Shared Dispositive Power 3,190,079 shares (1)
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,190,079 shares (1)
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) ☐
13.	Percent of Class Represented by Amount in Row (11) 4.8% (2)
14.	Type of Reporting Person (See Instructions) IN

(1)

(2)	Based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.

Item 1.

Security and Issuer.

This Amendment No. 3 (“Amendment No. 3”) to Schedule 13D amends the statement on Schedule 13D filed on July 5, 2018 (the “Original Schedule 13D”) as amended on January 16, 2020 and February 4, 2021 (the “Prior Amendments”, and together with the Original Schedule 13D and this Amendment No. 3, the “Schedule 13D”) with respect to the Common Stock of Aptinyx Inc. (the “Issuer”), having its principal executive office at 909 Davis Street, Suite 600, Evanston, IL 60201. Except as otherwise specified in this Amendment No. 3, all items in the Schedule 13D are unchanged. All capitalized terms used in this Amendment No. 3 and not otherwise defined herein have the meanings ascribed to such terms in the Original Schedule 13D, as amended by the Prior Amendments.

The Reporting Persons are filing this Amendment No. 3 to report a decrease in the percentage of the class beneficially owned by the Reporting Persons due to an increase in the aggregate number of outstanding securities of the Issuer. The Reporting Persons are no longer beneficial owners of more than five percent of the Common Stock of the Issuer.

Item 5.

Interest in Securities of the Issuer

(a)

FLS VIII is the record owner of the Frazier Shares. As the sole general partner of FLS VIII, FHM-VIII, L.P. may be deemed to own beneficially the Frazier Shares. As the sole general partner of FHM-VIII, L.P., FHM LS VIII LLC may be deemed to own beneficially the Frazier Shares. As individual members of FHM LS VIII LLC, each of the Topper and Heron may be deemed to beneficially own the Frazier Shares. Each Reporting Person disclaims beneficial ownership of all Frazier Shares other than those shares which such person owns of record.

The percentage of outstanding shares of Common Stock of the Issuer, which may be deemed to be beneficially owned by each of the Reporting Persons is set forth on Line 13 of such Reporting Person’s cover sheet. Such percentage was calculated based on 66,969,653 shares of Common Stock that were outstanding as of April 5, 2021 as set forth in the Issuer’s Definitive Proxy Statement filed with the SEC on April 13, 2021.

(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)

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.

Not applicable

(d)

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:

April 5, 2021

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: May 3, 2021		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: May 3, 2021		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: May 3, 2021		FHM LIFE SCIENCES VIII, L.L.C.

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

Date: May 3, 2021		By:	*
	;		James Topper

Date: May 3, 2021		By:	*
			Patrick J. Heron

Date: May 3, 2021		*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.

Sec Form 13D Filing - Frazier Life Sciences VIII L.P. filing for Aptinyx Inc. (APTX) - 2021-05-04