Sec Form 4/A Filing - Bilenker Joshua H. @ Loxo Oncology, Inc. - 2018-07-09

FORM 4/A 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 Bilenker Joshua H. 2. Issuer Name and Ticker or Trading Symbol Loxo Oncology, Inc. [ LOXO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) C/O LOXO ONCOLOGY, INC., ONE LANDMARK SQUARE, SUITE 1122 3. Date of Earliest Transaction (MM/DD/YY) 07/09/2018 (Street) STAMFORD, CT06901 4. If Amendment, Date Original Filed (MM/DD/YY) 07/11/2018 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 Common Stock 07/09/2018 M( 1 ) 7,500 A $ 1.184 141,207 ( 2 ) D

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bilenker Joshua H. C/O LOXO ONCOLOGY, INC. ONE LANDMARK SQUARE, SUITE 1122 STAMFORD, CT06901 X President & CEO Signatures /s/Jennifer Burstein, by power of attorney 01/17/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The transactions reported on this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the reporting person. ( 2 )This amended Form 4 is being filed solely to correct the reporting person's ending balance by subtracting the additional 1,700 shares of the Issuer's common stock (the "Additional Shares") that were added inadvertently to the total number of shares held directly by the reporting person. The Additional Shares were included in all the subsequent directly held transactions in the Form 4 filed on July 11, 2018 and the five Forms 4 filed thereafter. As of January 17, 2019, the reporting person directly holds a total number of 162,707 shares of the Issuer's common stock.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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