Sec Form 3 Filing - Xu Stella @ ARMO BioSciences, Inc. - 2018-01-25

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Xu Stella 2. Issuer Name and Ticker or Trading Symbol ARMO BioSciences, Inc. [ ARMO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O QUAN CAPITAL, UGLAND HOUSE, PO BOX 309 3. Date of Earliest Transaction (MM/DD/YY) 01/25/2018 (Street) GRAND CAYMAN, E9KYI-1104 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Series C-1 Convertible Preferred Stock $ 12.3487 ( 2 ) ( 2 ) Common Stock 404,900 I By Quan Venture Fund I, L.P. ( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Xu Stella C/O QUAN CAPITAL UGLAND HOUSE, PO BOX 309 GRAND CAYMAN, E9KYI-1104 X Signatures /s/ Scott Paraker, Attorney-in-Fact 01/25/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of 404,900 shares of common stock issuable upon the deemed conversion of convertible preferred stock held by Quan Venture Fund I, L.P. (Quan Capital). The general partner of Quan Capital is Quan Venture Partners I, L.L.C. The Reporting Person is a manager of Quan Venture Partners I, L.L.C. and shares the ultimate power to vote or dispose of the shares held by Quan Capital. The Reporting Person disclaims beneficial ownership of the shares held by Quan Capital, except to the extent of her pecuniary interest. ( 2 )The Series C-1 Convertible Preferred Stock shall automatically convert into Common Stock on a 1-for-1 basis immediately prior to the completion of the Issuer's initial public offering and has no expiration date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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