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.
- Peter Lynch
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)*
Theseus Pharmaceuticals, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
88369M101
(CUSIP Number)
December 31, 2023
(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 persons 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. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
OO |
CUSIP No. 88369M101
1. |
Names of Reporting Persons
Frazier Life Sciences Public Overage 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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. ; |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
1. |
Names of Reporting Persons
FHMLSP Overage, 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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
1. |
Names of Reporting Persons
FHMLSP Overage, 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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
OO |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
PN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
OO |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
IN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
IN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
IN |
CUSIP No. 88369M101
1. |
02;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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
IN |
CUSIP No. 88369M101
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
0 shares | |||||
7. | Sole Dispositive Power
0 shares | |||||
8. | Shared Dispositive Power
0 shares |
9. |
Aggregate Amount Beneficially Owned by Each Reporting Person
0 shares | |||||
10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)
☐ | |||||
11. | Percent of Class Represented by Amount in Row 9
0.0% | |||||
12. | Type of Reporting Person (see instructions)
IN |
Item 1(a). | Name of Issuer: Theseus Pharmaceuticals, Inc. | |
Item 1(b). | Address of Issuers Principal Executive Offices: 314 Main Street, Cambridge, Massachusetts 02142 | |
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 Public Overage Fund, L.P. (FLSPOF) FHMLSP Overage, L.P. FHMLSP Overage, 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. 70 Willow Road, Suite 200 Menlo Park, CA 94025 | |
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. | ||||
FLSPOF | - | Delaware, U.S.A. | ||||
FHMLSP Overage, L.P. | - | Delaware, U.S.A. | ||||
FHMLSP, 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). | < td valign="top">Title of Class of Securities: Common Stock | |
Item 2(e). | CUSIP Number: 88369M101 | |
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 §240.13d1(b)(1)(ii)(J); | |
(k) |
☐ Group, in accordance with §240.13d1(b)(1)(ii)(K). | |
If filing as a non-U.S. institution in accordance with §240.13d1(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: February 13, 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: February 13, 2024 | FHMLSP, L.P. | |||||
By: FHMLSP, L.L.C., its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 2024 | FHMLSP, L.L.C. | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 2024 | FRAZIER LIFE SCIENCES PUBLIC OVERAGE FUND, L.P. | |||||
By: FHMLSP Overage, L.P., its General Partner | ||||||
By: FHMLSP Overage, L.L.C., its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 2024 | FHMLSP OVERAGE, L.P. | |||||
By FHMLSP Overage, L.L.C., its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 2024 | FHMLSP OVERAGE, L.L.C. | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 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: February 13, 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: February 13, 2024 | FHMLS XI, L.L.C. | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: February 13, 2024 | By: | * | ||||
James N. Topper | ||||||
Date: February 13, 2024 | By: | * | ||||
Patrick J. Heron | ||||||
Date: February 13, 2024 | By: | ** | ||||
Albert Cha | ||||||
Date: February 13, 2024 | By: | ** | ||||
James Brush | ||||||
Date: February 13, 2024 | By: | *** | ||||
Daniel Estes | ||||||
Date: February 13, 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. |
Exhibit Index
Exhibit A - | Agreement regarding filing of joint Schedule 13G. |