| Item 1. | |
| (a) | Name of issuer:
Kezar Life Sciences, Inc. |
| (b) | Address of issuer's principal executive offices:
4000 SHORELINE COURT, SUITE 300 South San Francisco, CA 94080 |
| Item 2. | |
| (a) | Name of person filing:
Stonepine Capital Management, LLC, a Delaware limited liability company ("Stonepine")
Stonepine Capital, L.P., a Delaware limited partnership (the "Partnership")
Stonepine GP, LLC, a Delaware limited liability company (the "General Partner")
Jon M. Plexico
Stonepine and the General Partner are the investment adviser and general partner, respectively, of the Partnership. Mr. Plexico is the control person of Stonepine and the General Partner. The reporting persons are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each reporting person also disclaims beneficial ownership of Common Stock except to the extent of that person's pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of the Partnership should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any Common Stock covered by this Schedule 13G. |
| (b) | Address or principal business office or, if none, residence:
2900 NW Clearwater Drive, Suite 100-11, Bend OR 97703 |
| (c) | Citizenship:
See Item 4 of the cover sheet for each reporting person. |
| (d) | Title of class of securities:
Common Stock |
| (e) | CUSIP No.:
49372L209 |
| 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:
|
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| | |
| Item 4. | Ownership |
| (a) | Amount beneficially owned:
Stonepine: 156,179
Partnership: 156,179
General Partner: 156,179
Jon M. Plexico: 156,179 |
| (b) | Percent of class:
Stonepine: 2.1%
Partnership: 2.1%
General Partner: 2.1%
Jon M. Plexico: 2.1% |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
Stonepine: 0
Partnership: 0
General Partner: 0
Jon M. Plexico: 0
|
| | (ii) Shared power to vote or to direct the vote:
Stonepine: 156,179
Partnership: 156,179
General Partner: 156,179
Jon M. Plexico: 156,179
|
| | (iii) Sole power to dispose or to direct the disposition of:
Stonepine: 0
Partnership: 0
General Partner: 0
Jon M. Plexico: 0
|
| | (iv) Shared power to dispose or to direct the disposition of:
Stonepine: 156,179
Partnership: 156,179
General Partner: 156,179
Jon M. Plexico: 156,179
|
| Item 5. | Ownership of 5 Percent or Less of a Class. |
| | 
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. |
| |
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. |
| |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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Not Applicable
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| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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