SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

Khosla Ventures VI, LP

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,643,349.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,643,349.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,643,349.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

6.4 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of Khosla Ventures VI, LP ("KV VI") is Khosla Ventures Associates VI, LLC ("KVA VI"). VK Services, LLC ("VK Services") is the sole manager of KVA VI. Vinod Khosla ("Mr. Khosla") is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA VI possesses power to direct the voting and disposition of the shares owned by KV VI, and each of Mr. Khosla, VK Services, and KVA VI may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA VI and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

Khosla Ventures Seed D, LP

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 988,883.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 988,883.00

Aggregate Amount Beneficially Owned by Each Reporting Person

988,883.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

3.8 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of Khosla Ventures Seed D, LP ("KV Seed D") is Khosla Ventures Seed Associates D, LLC ("KVA Seed D"). VK Services is the sole manager of KVA Seed D. Mr. Khosla is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA Seed D possesses power to direct the voting and disposition of the shares owned by KV Seed D, and each of Mr. Khosla, VK Services, and KVA Seed D may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA Seed D and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

Khosla Ventures Associates VI, LLC

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,643,349.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,643,349.00

Aggregate Amount Beneficially Owned by Each Reporting Person

1,643,349.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

6.4 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of KV VI is KVA VI. VK Services is the sole manager of KVA VI. Mr. Khosla is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA VI possesses power to direct the voting and disposition of the shares owned by KV VI, and each of Mr. Khosla, VK Services, and KVA VI may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA VI and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

Khosla Ventures Seed Associates D, LLC

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 988,883.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 988,883.00

Aggregate Amount Beneficially Owned by Each Reporting Person

988,883.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

3.8 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of KV Seed D is KVA Seed D. VK Services is the sole manager of KVA Seed D. Mr. Khosla is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA Seed D possesses power to direct the voting and disposition of the shares owned by KV Seed D, and each of Mr. Khosla, VK Services, and KVA Seed D may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA Seed D and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

VK Services, LLC

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,632,232.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,632,232.00

Aggregate Amount Beneficially Owned by Each Reporting Person

2,632,232.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

10.2 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of KV VI is KVA VI and the general partner of KV Seed D is KVA Seed D. VK Services is the sole manager of KVA VI and KVA Seed D. Mr. Khosla is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA VI possesses power to direct the voting and disposition of the shares owned by KV VI, and each of Mr. Khosla, VK Services, and KVA VI may be deemed to have indirect beneficial ownership of such shares. Each of Mr. Khosla, VK Services, and KVA Seed D possesses power to direct the voting and disposition of the shares owned by KV Seed D, and each of Mr. Khosla, VK Services, and KVA Seed D may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA VI, KVA Seed D, and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

CUSIP Number(s):

81728A207

Names of Reporting Persons

Vinod Khosla

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

Sec Use Only

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,632,232.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,632,232.00

Aggregate Amount Beneficially Owned by Each Reporting Person

2,632,232.00

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

Percent of class represented by amount in row (9)

10.2 %

Type of Reporting Person (See Instructions)

Comment for Type of Reporting Person: Relating to Item 2 of this page: The general partner of KV VI is KVA VI. The general partner of KV Seed D is KVA Seed D. VK Services is the sole manager of KVA VI and KVA Seed D. Mr. Khosla is the managing member of VK Services. Each of Mr. Khosla, VK Services, and KVA VI possesses power to direct the voting and disposition of the shares owned by KV VI, and each of Mr. Khosla, VK Services, and KVA VI may be deemed to have indirect beneficial ownership of such shares. Each of Mr. Khosla, VK Services, and KVA Seed D possesses power to direct the voting and disposition of the shares owned by KV Seed D, and each of Mr. Khosla, VK Services, and KVA Seed D may be deemed to have indirect beneficial ownership of such shares. Mr. Khosla possesses power to direct the voting and disposition of the shares owned by VK Services, and Mr. Khosla may be deemed to have indirect beneficial ownership of such shares. KVA VI, KVA Seed D, and Mr. Khosla hold no securities of the Issuer directly. Each Reporting Person disclaims beneficial ownership of the shares described above except to the extent of his or its pecuniary interest therein. Relating to Item 11 of this page: The percentages set forth on the cover pages are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Faeth Therapeutics, Inc.

(b)

Address of issuer's principal executive offices:

701 Tillery Street, #12 #1010, Austin, Texas 78702

Item 2.

(a)

Name of person filing:

Khosla Ventures VI, LP ("KV VI") Khosla Ventures Seed D, LP ("KV Seed D") Khosla Ventures Associates VI, LLC ("KVA VI") Khosla Ventures Seed Associates D, LLC ("KVA Seed D") VK Services, LLC ("VK Services") Vinod Khosla ("Mr. Khosla")

(b)

Address or principal business office or, if none, residence:

Khosla Ventures, 2128 Sand Hill Road, Menlo Park, California 94025

(c)

Citizenship:

KV VI - Delaware, United States of America KV Seed D - Delaware, United States of America KVA VI - Delaware, United States of America KVA Seed D - Delaware, United States of America VK Services - Delaware, United States of America Mr. Khosla - United States of America

(d)

Title of class of securities:

Common Stock, par value $0.0001 per share

(e)

CUSIP Number(s):

81728A207

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). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

See responses to Item 9 on the attached cover pages

(b)

Percent of class:

See responses to Item 11 on the attached cover pages, which are calculated based on 25,840,425 shares of Common Stock outstanding as of July 30, 2026, which is the total number of shares of Common Stock outstanding as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Securities and Exchange Commission on August 4, 2026.

(c)

Number of shares as to which the person has:

(i) Sole power to vote or to direct the vote:

See responses to Item 5 on the attached cover pages.

(ii) Shared power to vote or to direct the vote:

See responses to Item 6 on the attached cover pages.

(iii) Sole power to dispose or to direct the disposition of:

See responses to Item 7 on the attached cover pages.

(iv) Shared power to dispose or to direct the disposition of:

See responses to Item 8 on the attached cover pages.

Item 5.

Ownership of 5 Percent or Less of a Class.

Not Applicable

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.

Not Applicable

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications:

Not Applicable

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.

Khosla Ventures VI, LP

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, as Managing Member of Khosla Ventures Associates VI, LLC, GP of Khosla Ventures VI, LP
Date:	08/14/2026

Khosla Ventures Seed D, LP

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, as Managing Member of Khosla Ventures Seed Associates D, LLC, GP of Khosla Ventures Seed D, LP
Date:	08/14/2026

Khosla Ventures Associates VI, LLC

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, as Managing Member
Date:	08/14/2026

Khosla Ventures Seed Associates D, LLC

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, as Managing Member
Date:	08/14/2026

VK Services, LLC

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, as Manager
Date:	08/14/2026

Vinod Khosla

Signature:	/s/ John Demeter
Name/Title:	John Demeter, as attorney in fact for Vinod Khosla, in his individual capacity
Date:	08/14/2026

Exhibit Information

24.1 Power of Attorney for Vinod Khosla 99.1 Agreement regarding joint filing of Schedule 13G