| Item 1. | |
| (a) | Name of issuer:
CytomX Therapeutics, Inc. |
| (b) | Address of issuer's principal executive offices:
151 Oyster Point Blvd., Suite 400, South San Francisco, CA 94080 |
| Item 2. | |
| (a) | Name of person filing:
This joint statement on Schedule 13G is being filed by Seven Fleet Master Fund LP ("Seven Fleet Master Fund"), Seven Fleet Capital Management LP ("Seven Fleet Management"), Seven Fleet Capital Management GP LLC ("Seven Fleet Management GP" and collectively, the "Reporting Entities") and Brian Liu (the "Reporting Individual"). The Reporting Entities and the Reporting Individual are collectively referred to as the "Reporting Persons." |
| (b) | Address or principal business office or, if none, residence:
The address of the principal business office of each Reporting Person is 960 San Clemente Way, Mountain View CA 94043. |
| (c) | Citizenship:
Seven Fleet Master Fund is a limited partnership organized under the laws of the Cayman Islands. Seven Fleet Management is a limited partnership organized under the laws of the State of Delaware. Seven Fleet Management GP is a limited liability company organized under the laws of the State of Delaware. The Reporting Individual is a citizen of the United States of America. |
| (d) | Title of class of securities:
Common Stock, $0.00001 par value per share |
| (e) | CUSIP No.:
23284F105 |
| 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);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (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);
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| (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:
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| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership |
| (a) | Amount beneficially owned:
See Row 9 of the cover page for each Reporting Person.
Seven Fleet Master Fund is the record owner of 48,898 shares of Common Stock. Seven Fleet Management, as the investment manager of Seven Fleet Master Fund, may be deemed to beneficially own the shares of Common Stock held directly by Seven Fleet Master Fund. Seven Fleet Management GP, as the general partner of Seven Fleet Management, may be deemed to beneficially own the shares of Common Stock beneficially owned by Seven Fleet Management. The Reporting Individual, as the managing member of Seven Fleet Management GP, may be deemed to beneficially own the shares of Common Stock beneficially owned by Seven Fleet Management GP.
Seven Fleet Management and Longitude Capital Management Co. LLC (together with its affiliates, Longitude) have instituted policies and procedures that may affect the acquisition, holding and disposition of securities held by Seven Fleet Management and its affiliates. As a result of such policies and procedures, the Reporting Persons and Longitude may be deemed to be members of a group within the meaning of within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934 (the Exchange Act). As of the date hereof, based on information provided by or behalf of Longitude, Longitude may be deemed to be the beneficial owner of 11,538,461 shares of Common Stock, constituting 6.8% of the number of shares of Common Stock outstanding (based on 169,435,395 shares of Common Stock outstanding as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 6, 2025). Notwithstanding such policies and procedures, the Reporting Persons expressly disclaim such group membership and beneficial ownership over any Common Stock that they may be deemed to beneficially own by reason of such policies and procedures. This Schedule 13G shall not be deemed an admission that the Reporting Persons are members of a group for purposes of Section 13 of the Exchange Act or for any other purpose. |
| (b) | Percent of class:
See Row 11 of the cover page for each Reporting Person and the corresponding footnotes.*
*Except to the extent of his, hers, or its pecuniary interest therein, each Reporting Person disclaims beneficial ownership of such shares of Common Stock, except for the shares, if any, such Reporting Person holds of record. |
| (c) | Number of shares as to which the person has:
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| | (i) Sole power to vote or to direct the vote:
Sole power to vote or to direct the vote
See Row 5 of the cover page for each Reporting Person and the corresponding footnotes.*
|
| | (ii) Shared power to vote or to direct the vote:
Shared power to vote or to direct the vote
See Row 6 of the cover page for each Reporting Person and the corresponding footnotes.*
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| | (iii) Sole power to dispose or to direct the disposition of:
Sole power to dispose or to direct the disposition of
See Row 7 of the cover page for each Reporting Person and the corresponding footnotes.*
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| | (iv) Shared power to dispose or to direct the disposition of:
Shared power to dispose or to direct the disposition of
See Row 8 of the cover page for each Reporting Person and the corresponding footnotes.*
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
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Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
See Exhibit 1. |
| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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Rule 13d-1(c)