Frazier Life Sciences Public Fund LP

11/06/2024 | Press release | Distributed by Public on 11/06/2024 09:31

Amendment to Beneficial Ownership Report - Form SC 13G/A

SC 13G/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)*

Trevi Therapeutics, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

89532M101

(CUSIP Number)

September 30, 2024

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

*

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 the disclosures provided in a prior cover page.

The information required in 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. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 5,646,596 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 5,646,596 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 5,646,596 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 7.8% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 5,646,596 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 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 5,646,596 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 5,646,596 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 5,646,596 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 7.8% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 5,646,596 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 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 5,646,596 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 5,646,596 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 5,646,596 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 7.8% (2)

12.

 Type of Reporting Person (see instructions)

 OO

(1)

Consists of 5,646,596 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 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 Frazier Life Sciences X, L.P.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 391,551 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 391,551 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 391,551 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 0.5% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 391,551 shares of Common Stock held directly by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Patrick J. Heron and James N. Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences X, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 FHMLS X, L.P.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 391,551 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 391,551 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 391,551 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 0.5% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 391,551 shares of Common Stock held directly by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Patrick J. Heron and James N. Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences X, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 FHMLS X, L.L.C.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 391,551 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 391,551 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 391,551 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 0.5% (2)

12.

 Type of Reporting Person (see instructions)

 OO

(1)

Consists of 391,551 shares of Common Stock held directly by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Patrick J. Heron and James N. Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences X, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 Frazier Life Sciences XI, L.P.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 1,342,943 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 1,342,943 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 1,342,943 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 1.8% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 FHMLS XI, L.P.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 1,342,943 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 1,342,943 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 1,342,943 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 1.8% (2)

12.

 Type of Reporting Person (see instructions)

 PN

(1)

Consists of 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 FHMLS XI, L.L.C.

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 Delaware

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 1,342,943 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 1,342,943 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 1,342,943 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 1.8% (2)

12.

 Type of Reporting Person (see instructions)

 OO

(1)

Consists of 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 United States Citizen

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 7,381,090 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 7,381,090 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 7,381,090 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 10.2% (2)

12.

 Type of Reporting Person (see instructions)

 IN

(1)

Consists of (i) 5,646,596 shares of Common Stock held directly by Frazier Life Sciences Public Fund, L.P., (ii) 391,551 shares of Common Stock held directly by Frazier Life Sciences X, L.P., and (iii) 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, 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. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Patrick J. Heron and James N. Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences X, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 United States Citizen

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 7,381,090 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 7,381,090 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 7,381,090 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 10.2% (2)

12.

 Type of Reporting Person (see instructions)

 IN

(1)

Consists of (i) 5,646,596 shares of Common Stock held directly by Frazier Life Sciences Public Fund, L.P., (ii) 391,551 shares of Common Stock held directly by Frazier Life Sciences X, L.P., and (iii) 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, 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. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. Patrick J. Heron and James N. Topper are the members of FHMLS X, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences X, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 United States Citizen

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 5,646,596 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 5,646,596 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 5,646,596 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 7.8% (2)

12.

 Type of Reporting Person (see instructions)

 IN

(1)

Consists of 5,646,596 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 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names 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.

 Citizenship or Place of Organization

 United States Citizen

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 5,646,596 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 5,646,596 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 5,646,596 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 7.8% (2)

12.

 Type of Reporting Person (see instructions)

 IN

(1)

Consists of 5,646,596 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 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

CUSIP No. 89532M101

 1. 

 Names of Reporting Persons

 Daniel Estes

 2.

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☒

 3.

 SEC USE ONLY

 4.

 Citizenship or Place of Organization

 United States Citizen

Number of

Shares

Beneficially 

Owned by

Each

Reporting

Person

With:

5. 

 Sole Voting Power

 0 shares

6.

 Shared Voting Power

 1,342,943 shares (1)

7.

 Sole Dispositive Power

 0 shares

8.

 Shared Dispositive Power

 1,342,943 shares (1)

 9. 

 Aggregate Amount Beneficially Owned by Each Reporting Person

 1,342,943 shares (1)

10.

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

11.

 Percent of Class Represented by Amount in Row 9

 1.8% (2)

12.

 Type of Reporting Person (see instructions)

 IN

(1)

Consists of 1,342,943 shares of Common Stock held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P.

(2)

Based on 72,591,917 shares of Common Stock outstanding on July 31, 2024, as set forth in the Issuer's Form 10-Q filed with the SEC on August 8, 2024.

Item 1(a).

Name of Issuer: Trevi Therapeutics, Inc.

Item 1(b).

Address of Issuer's Principal Executive Offices: 195 Church Street, 14th Floor, New Haven, Connecticut 06510

Item 2(a).

Name of Person Filing:

The entities and persons filing this statement (collectively, the "Reporting Persons") are:

Frazier Life Sciences Public Fund, L.P. ("FLSPF")

FHMLSP, L.P.

FHMLSP, L.L.C.

Frazier Life Sciences X, L.P. ("FLS X")

FHMLS X, L.P.

FHMLS X, L.L.C.

Frazier Life Sciences XI, L.P. ("FLS XI")

FHMLS XI, L.P.

FHMLS XI, L.L.C.

James N. Topper ("Topper")

Patrick J. Heron ("Heron")

Albert Cha ("Cha")

James Brush ("Brush")

Daniel Estes ("Estes" and together with Topper, Heron, Cha and Brush, the "Members")

Item 2(b).

Address of Principal Business Office or, if none, Residence:

The address and principal business office of the Reporting Persons is:

c/o Frazier Life Sciences Management, L.P.

1001 Page Mill Rd, Building 4, Suite B

Palo Alto, CA 94304

Item 2(c).

Citizenship:

Entities: FLSPF - Delaware, U.S.A.
FHMLSP, L.P. - Delaware, U.S.A.
FHMLSP, L.L.C. - Delaware, U.S.A.
FLS X - Delaware, U.S.A.
FHMLS X, L.P. - Delaware, U.S.A.
FHMLS X, L.L.C. - Delaware, U.S.A.
FLS XI - Delaware, U.S.A.
FHMLS XI, L.P. - Delaware, U.S.A.
FHMLS XI, L.L.C. - Delaware, U.S.A.
Individuals: Topper - United States Citizen
Heron - United States Citizen
Cha - United States Citizen
Brush - United States Citizen
Estes - United States Citizen
Item 2(d).

Title of Class of Securities: Common Stock

Item 2(e).

CUSIP Number: 89532M101

Item 3.

If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

(a) Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);
(b) Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c) Insurance company as defined in section 3(a)19) of the Act (15 U.S.C. 78c);
(d) Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e) An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
(f) An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
(g) A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
(h) A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);
(k) Group, in accordance with §240.13d-1(b)(1)(ii)(K).
If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____
Item 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the Issuer identified in Item 1.

(a)

Amount Beneficially Owned: See Row 9 of cover page for each Reporting Person.

(b)

Percent of Class: See Row 11 of cover page for each Reporting Person

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote: See Row 5 of cover page for each Reporting Person.

(ii)

Shared power to vote or to direct the vote: See Row 6 of cover page for each Reporting Person.

(iii)

Sole power to dispose or to direct the disposition of: See Row 7 of cover page for each Reporting Person.

(iv)

Shared power to dispose or to direct the disposition of: See Row 8 of cover page for each Reporting Person.

Item 5.

Ownership of 5 Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ☐.

Item 6.

Ownership of More than 5 Percent on Behalf of Another Person

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Not applicable.

Item 8.

Identification and Classification of Members of the Group

Each member of the group is identified on Exhibit A to this Schedule 13G.

Item 9.

Notice of Dissolution of a Group

Not applicable.

Item 10.

Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

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: November 6, 2024 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: November 6, 2024 FHMLSP, L.P.
By: FHMLSP, L.L.C., its General Partner
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FHMLSP, L.L.C.
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FRAZIER LIFE SCIENCES X, L.P.
By: FHMLS X, L.P., its General Partner
By: FHMLS X, L.L.C., its General Partner
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FHMLS X, L.P.
By: FHMLS X, L.L.C., its General Partner
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FHMLS X, L.L.C.
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FRAZIER LIFE SCIENCES XI, L.P.
By: FHMLS XI, L.P., its General Partner
By: FHMLS XI, L.L.C., its General Partner
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FHMLS XI, L.P.
By: FHMLS XI, L.L.C., its General Partner
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 FHMLS XI, L.L.C.
By:

/s/ Steve R. Bailey

Steve R. Bailey, Chief Financial Officer
Date: November 6, 2024 By:

*

James N. Topper
Date: November 6, 2024 By:

*

Patrick J. Heron
Date: November 6, 2024 By:

**

Albert Cha
Date: November 6, 2024 By:

**

James Brush
Date: November 6, 2024 By:

***

Daniel Estes
Date: November 6, 2024 By:

/s/ Steve R. Bailey

Steve R. Bailey, as Attorney-in-Fact
*

This Schedule 13G 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 March 29, 2016.

**

This Schedule 13G 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.

***

This Schedule 13G was executed by Steve R. Bailey on behalf of the individual listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on April 18, 2022.