Sec Form 4 Filing - Rainer David I @ CU Bancorp - 2015-10-27

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Rainer David I 2. Issuer Name and Ticker or Trading Symbol CU Bancorp [ CUNB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman & CEO (Last) (First) (Middle) C/O CU BANCORP 15821, VENTURA BLVD., SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 10/27/2015 (Street) ENCINO, CA91436 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 10/27/2015 M( 1 ) 10,000 A $ 22 193,276 I Trustee of the David and Anne Rainer Trust Common Stock 10/27/2015 S( 1 ) 10,000 D $ 24.39 ( 2 ) 183,276 I Trustee of the David and Anne Rainer Trust Common Stock 23,100 ( 3 ) D Common Stock 31,634 I IRA

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 Fo rm 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 Options to Purchase Common Stock $ 22 10/27/2015 M( 1 ) 10,000 10/27/2015( 4 ) 04/25/2016 Common Stock 10,000 $ 22 0 D Restricted Stock Units ( 5 ) ( 6 ) ( 6 ) Common Stock 40,000 40,000 D Options to Purchase Common Stock $ 16 ( 4 ) 09/24/2017 Common Stock 23,333 23,333 D Options to Purchase Common Stock $ 17.5 ( 4 ) 02/26/2017 Common Stock 60,000 60,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rainer David I C/O CU BANCORP 15821, VENTURA BLVD. SUITE 100 ENCINO, CA91436 X Chairman & CEO Signatures David I. Rainer, By: Anita Y. Wolman, Attorney-in-Fact 10/28/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 4, 2015. ( 2 )This figure represents the weighted average sale price for all transactions, which are being aggregated and reported on a single line, as the transactions were all effectuated within a one dollar range, ranging from $24.22 to $24.65 per share. The Reporting Person will provide to the Commission, the issuer and any stockholder, upon request, full information regarding the number of shares purchased or sold at each separate price. ( 3 )Includes shares of restricted stock subject to a vesting schedule set forth in the restricted stock grant and subject to forfeiture upon the occurrence of certain events specified in the restricted stock grant. ( 4 )As of filing date, the stock option grant is 100% vested and immediately exercisable. ( 5 )Each restricted stock unit represents a contingent right to receive one share of CUNB stock. ( 6 )The restricted stock units will vest in three(3) installments to which 20,000 shares will vest on March 19, 2017 and 10,000 shares will vest on each March 19, 2018 and 2019. Vested shares will be delivered to the Reporting Person on or before March 15 in the calendar year following the vesting except to the extent that CUNB reasonably anticipates that CUNB's corporate income tax deduction for the payment of shares will be limited or eliminated as a result of the application of Internal Revenue Code Section 162(m). CUNB will defer the payment and delivery of such shares to the earliest date where CUNB reasonably anticipates that such deduction will not be limited or eliminated by application of Internal Revenue Code Section 162(m).

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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.