Sec Form 4 Filing - STONE POINT CAPITAL LLC @ Atlantic Capital Bancshares, Inc. - 2017-08-23

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 STONE POINT CAPITAL LLC 2. Issuer Name and Ticker or Trading Symbol Atlantic Capital Bancshares, Inc. [ ACBI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 20 HORSENECK LANE 3. Date of Earliest Transaction (MM/DD/YY) 08/23/2017 (Street) GREENWICH, CT06830-6327 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 08/23/2017 S 3,109,127 ( 1 ) ( 2 ) D $ 16.5 0 I See footnotes

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 STONE POINT CAPITAL LLC 20 HORSENECK LANE GREENWICH, CT06830-6327 X Trident IV LP 20 HORSENECK LANE GREENWICH, CT06830 X Trident Capital IV, L.P. 20 HORSENECK LANE GREENWICH, CT06830 X Trident IV Professionals Fund LP 20 HORSENECK LANE GREENWICH, CT06830 X Signatures STONE POINT CAPITAL LLC; By: /s/ Jacquie Giammarco, Name: Jacquie Giammarco; Title: Senior Vice President 08/25/2017 Signature of Reporting Person Date TRIDENT CAPITAL IV, L.P.; By: Trident Capital IV, L.P., its sole general partner; By: DW Trident GP, LLC, a general partner; By: /s/ Jacquie Giammarco, Name: Jacquie Giammarco; Title: Vice President 08/25/2017 Signature of Reporting Person Date TRIDENT IV, L.P.; By: DW Trident GP, LLC, a general partner; By: /s/ Jacquie Giammarco, Name: Jacquie Giammarco; Title: Vice President 08/25/2017 Signature of Reporting Person Date TRIDENT IV PROFESSIONALS FUND, L.P.; By: Stone Point GP Ltd., its sole general partner; By: /s/ Jacquie Giammarco, Name: Jacquie Giammarco; Title: Vice President 08/25/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents 3,057,283 shares of common stock ("Common Stock") of Atlantic Capital Bancshares, Inc. (the "Issuer") sold by Trident IV, L.P.("Trident IV") and 51,844 shares of Common Stock sold by Trident IV Professionals Fund, L.P. ("Trident IV Professionals"). Trident Capital IV, L.P ("Trident IV GP") is the sole general partner of Trident IV and may have been deemed a beneficial owner of the Common Stock held by Trident IV. The general partners of Trident IV GP are four single member limited liability companies that are owned by individuals who are members of Stone Point Capital LLC ("Stone Point"). Stone Point was delegated authority to exercise voting rights of the shares of Common Stock of the Issuer on behalf of Trident IV and may have been deemed a beneficial owner of Common Stock sold by Trident IV. ( 2 )Stone Point GP Ltd. ("Trident IV Professionals GP") is the sole general partner of Trident IV Professionals and may have been deemed a beneficial owner of Common Stock sold by Trident IV Professionals. Stone Point, as the manager of Trident IV Professionals, was delegated authority to exercise voting rights of the shares of Common Stock of the issuer on behalf of Trident IV Professionals and may have been deemed a beneficial owner of Common Stock sold by Trident IV Professionals. Trident IV, Trident IV Professionals, Trident IV GP, Stone Point and Trident IV Professionals GP are referred to collectively as the "Reporting Persons." Each Reporting Person disclaims beneficial ownership of all shares of Common Stock of the Issuer reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

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).

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