Sec Form 4 Filing - Pike Christopher @ Cotiviti Holdings, Inc. - 2017-08-10

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 Pike Christopher 2. Issuer Name and Ticker or Trading Symbol Cotiviti Holdings, Inc. [ COTV] 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 ADVENT INTERNATIONAL CORPORATION, 75 STATE STREET, 29TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 08/10/2017 (Street) BOSTON, MA02109 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 08/10/2017 S 9,257,651 D $ 36.87 41,433,699 I See Footnotes ( 1 ) ( 2 )

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 Pike Christopher C/O ADVENT INTERNATIONAL CORPORATION 75 STATE STREET, 29TH FLOOR BOSTON, MA02109 X Signatures /s/ Richard Terranova, Attorney-in-Fact 08/14/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person is a Managing Partner at Advent International Corporation ("AIC") and in addition may have limited partnership or other interests in one or more of the Advent Entities (as defined below). AIC manages funds that collectively own 41,433,699 shares (the "Shares"), which are represented as follows: 17,778,618 shares held directly by Advent-Cotiviti Acquisition Limited Partnership, 18,817,920 held directly by Advent-Cotiviti Acquisition II Limited Partnership, 918,209 shares directly owned by Advent International GPE VI-C Limited Partnership, 875,864 shares directly owned by Advent International GPE VI-D Limited Partnership, 2,215,460 shares directly owned by Advent International GPE VI-E Limited Partnership, 651,453 shares directly owned by Advent Partners GPE VI 2008 Limited Partnership, (CONTINUED IN NEXT FOOTNOTE) ( 2 )CONTINUED FROM PREVIOUS FOOTNOTE) 19,762 shares directly owned by Advent Partners GPE VI 2009 Limited Partnership 46,608 shares directly owned by Advent Partners GPE VI 2010 Limited Partnership, 51,762 shares directly owned by Advent Partners GPE VI-A 2010 Limited Partnership and 58,043 shares directly owned by Advent Partners GPE VI-A Limited Partnership (collectively and together with certain other affiliates of Advent, the "Advent Entities"). The Reporting Person disclaims Section 16 beneficial ownership of the Shares except to the extent of his pecuniary interest therein, if any, and the reference to these Shares in this report shall not be deemed an admission of beneficial ownership of all of the Shares for purposes of Section 16 or any other purpose.

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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