Sec Form 4 Filing - KLINGENSTEIN PAUL H @ Clovis Oncology, Inc. - 2019-07-29

FORM 4 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 KLINGENSTEIN PAUL H 2. Issuer Name and Ticker or Trading Symbol Clovis Oncology, Inc. [ CLVS] 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 CLOVIS ONCOLOGY, INC., 5500 FLATIRON PARKWAY, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 07/29/2019 (Street) BOULDER, CO80301 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 Common Stock 07/29/2019 M 25,862 A $ 0.29 59,327 ( 1 ) D Common Stock 639,078 ( 2 ) I By Aberdare Ventures IV, L.P. ( 3 ) Common Stock 12,755 ( 2 ) I By Aberdare Partners IV, L.P. ( 3 )

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 Stock Option (right to buy) $ 0.29 07/29/2019 M 25,862 ( 4 ) 08/26/2019 Common Stock 25,862 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KLINGENSTEIN PAUL H C/O CLOVIS ONCOLOGY, INC. 5500 FLATIRON PARKWAY, SUITE 100 BOULDER, CO80301 X Signatures /s/ Paul H. Klingenstein 07/30/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes shares previously reported as indirectly owned through Aberdare Ventures IV, L.P. ("Aberdare Ventures IV") and Aberdare Partners IV, L.P. ("Aberdare Partners IV"), which shares were received by the Reporting Person pursuant to distributions in kind effected by such entities. These distributions constituted a change in form of ownership from indirect to direct and, accordingly, were not required to be reported pursuant to Section 16. ( 2 )Gives effect to the reduction in shares held by virtue of the distributions in kind described in footnote (1). ( 3 )The Reporting Person is a Managing Director of Aberdare GP IV, L.L.C. ("Aberdare GP IV"), which serves as the sole General Partner of Aberdare Ventures IV and Aberdare Partners IV. As such, the Reporting Person shares voting and investment control over the securities owned by Aberdare Ventures IV and Aberdare Partners IV, and may be deemed to own beneficially the securities held by Aberdare Ventures IV and Aberdare Partners IV. Aberdare GP IV owns no securities of the Issuer directly. The Reporting Person disclaims beneficial ownership of the shares held by Aberdare Ventures IV and Aberdare Partners IV except to the extent of his proportionate pecuniary interest therein. ( 4 )The option was immediately exercisable as to both vested and unvested shares. 25% of the shares subject to the option vested on each of August 26, 2009, August 26, 2010, August 26, 2011 and August 26, 2012.

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